New Battery Technologies

[publiusr]

Battery and energy news

Researchers develop sodium battery capable of rapid charging in just a few seconds

Sodium (Na), which is over 500 times more abundant than lithium (Li), has recently garnered significant attention for its potential in sodium-ion battery technologies. However, existing sodium-ion batteries face fundamental limitations, including lower power output, constrained storage...

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Mess is best: Disordered structure of battery-like devices improves performance

The energy density of supercapacitors—battery-like devices that can charge in seconds or a few minutes—can be improved by increasing the 'messiness' of their internal structure.

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Neutron scattering study points the way to more powerful lithium batteries

An international team of scientists has found a way to improve battery design that could produce safer, more powerful lithium batteries.

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Proof-of-concept nanogenerator turns CO₂ into sustainable power

University of Queensland researchers have built a generator that absorbs carbon dioxide (CO2) to make electricity.

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Harnessing solar energy for high-efficiency NH₃ production

A technology that harnesses solar energy to produce high-efficiency ammonia (NH3) has been unveiled by a research team affiliated with UNIST.

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Garbage could replace a quarter of petroleum-based jet fuel every year

Every year, the nation's aviation industry uses around 22 billion gallons of jet fuel, which produces about 1 billion tons of carbon dioxide—or 3% of the world's carbon dioxide emissions. Because of this, researchers and policymakers alike are eyeing aviation as an industry ripe with opportunity...

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Coffee grinder, old tires spur creation of sulfur-free oil

Using a coffee grinder, a freezer and a furnace, researchers have discovered a chemical synergy between scrap tires and polystyrene can be harnessed to create sulfur-free, light oil.

phys.org

Floating solar's potential to support sustainable development

A study, published in Nature Energy, is among the first to explore the floating photovoltaics (FPV) at the continental scale, finding that FPV installed at existing major reservoirs could produce 20–100% of the electricity expected from Africa's planned hydropower dams. Using a state-of-the-art...

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Clearing the air: Wind farms more land efficient than previously thought

Wind power is a source of energy that is both affordable and renewable. However, decision-makers have been reluctant to invest in wind energy due to a perception that wind farms require a lot of land compared to electric power plants driven by fossil fuels. Research led by McGill University and...

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Retro-reflectors could help future cities keep their cool

Engineers at Princeton University have quantified the cooling benefits of a simple solution for beating urban heat: reflecting solar radiation back from whence it came.

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Cooler transformers could help electric grid

Most people do not give the U.S. electric grid a second thought—we flip a switch, and the lights come on. Behind the scenes are thousands of power plants and utilities linked by millions of miles of transmission lines. To make raw electricity useful, grid transformers convert high voltage to...

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Quantum electronics: Charge travels like light in bilayer graphene

An international research team led by the University of Göttingen has demonstrated experimentally that electrons in naturally occurring double-layer graphene move like particles without any mass, in the same way that light travels. Furthermore, they have shown that the current can be "switched"...

phys.org

Researchers discover previously unknown gene that indirectly promotes photosynthesis in blue-green algae

Cyanobacteria—also called blue-green algae—are known as the "plants of the ocean" because they carry out photosynthesis on a gigantic scale, produce oxygen and extract the greenhouse gas CO2 from the environment. However, to do this they need additional nutrients such as nitrogen.

phys.org

Novel material supercharges innovation in electrostatic energy storage

Electrostatic capacitors play a crucial role in modern electronics. They enable ultrafast charging and discharging, providing energy storage and power for devices ranging from smartphones, laptops and routers to medical devices, automotive electronics and industrial equipment. However, the...

phys.org

Harvesting vibrational energy from 'colored noise'

The energy demands of today's ubiquitous small electronic devices—including sensors, data transmitters, medical implants and 'wearable' consumer products such as Fitbits—can no longer be met by chemical batteries alone. This gap can be filled by energy harvesters, which turn ordinary, ambient...

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Combating disruptive 'noise' in quantum communication

In a significant milestone for quantum communication technology, an experiment has demonstrated how networks can be leveraged to combat disruptive 'noise' in quantum communications.

phys.org

Hydrogen storage

New material for hydrogen storage confines this clean yet troublesome fuel

Skoltech scientists and their colleagues from Shubnikov Institute of Crystallography of RAS and research centers in China, Japan, and Italy have discovered a material for chemical storage of hydrogen that can "soak up" four times as much of this hard-to-contain gas as the current top contenders.

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Trash to treasure—Researchers turn metal waste into catalyst for hydrogen

Scientists have found a way to transform metal waste into a highly efficient catalyst to make hydrogen from water, a discovery that could make hydrogen production more sustainable.

phys.org

Magnetism boosts hydrogen production in model catalysts

Researchers at the University of Twente have shown how to improve the efficiency of hydrogen production in an experimental setup. They showed that the magnetic order of the molecules plays a critical role.

phys.org

Cost-effective nanorod electrodes for molecular hydrogen production

SUNY Polytechnic Institute (SUNY Poly) Associate Professor of Electrical and Computer Engineering Technology Dr. Iulian Gherasoiu and peers have published research in the Journal of Applied Electrochemistry titled "MoVN-coated MoNi4-MoO2 nanorods as a bifunctional electrode for electrochemical...

phys.org

power converters
https://techxplore.com/news/2024-04-scientists-high-boost-efficiency-dc.html

A flexible and efficient DC power converter for sustainable-energy microgrids

A new DC-DC power converter is superior to previous designs and paves the way for more efficient, reliable and sustainable energy storage and conversion solutions. The Kobe University development can efficiently interface with a wide range of energy sources while enhancing system stability and...

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[barrett]

Capacity is twice that of lead-acid batteries...KDDI demonstrates zinc secondary batteries as backup power source for base stations

容量は鉛蓄電池の2倍…亜鉛二次電池、KDDIが基地局のバックアップ電源へ実証 ニュースイッチ by 日刊工業新聞社

ＫＤＤＩは１１日、日本ガイシで開発中の亜鉛二次電池を携帯通信基地局のバックアップ電源設備に用いる実証試験を始めたと発表した。亜鉛二次電池の重量は、多くの基地局で用いる鉛蓄電池の半分のため設置場所を増や...

newswitch.jp

KDDI announced on the 11th that it has begun a demonstration test to use zinc secondary batteries being developed by NGK as backup power equipment for mobile communication base stations. Zinc secondary batteries weigh half as much as lead-acid batteries used in many base stations, allowing more space for installation. With the same size and twice the capacity, base station operating time can be extended to up to 72 hours.

In the demonstration, the system will be operated in a real environment for one year, and operations will be verified through seasonal changes in temperature and humidity, as well as power outage tests.

 

[publiusr]

Cheap batteries for the poor

Swedish researchers develop eco-friendly and affordable battery for low-income countries

A battery made from zinc and lignin that can be used over 8,000 times has been developed by researchers at Linköping University, Sweden, with a vision to provide a cheap and sustainable battery solution for countries where access to electricity is limited. The study has been published in the...

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Flame resistant?

Safer and stronger: Non-flammable electrolyte extends battery life

Lithium-ion batteries are integral to numerous applications, ranging from everyday electronics to electric vehicles. Despite their widespread use, these batteries pose safety risks due to the flammable liquid electrolytes they typically contain, which can lead to dangerous fires and explosions.

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[Grey Havoc]

48.6％ of Global Patent Applications Related to All-Solid-State Batteries Came from Japanese Firms; Panasonic Tops List

<p>Japanese companies accounted for 48.6% of global patent applications related to all-solid-state batteries, the Japan Patent Office said. The technology is expected to dramatically increase the cruising range of electric vehicles.</p>

japannews.yomiuri.co.jp

 

[publiusr]

Hope?

Charge your laptop in a minute? Supercapacitors can help; new research offers clues

Imagine if your dead laptop or phone could charge in a minute or if an electric car could be fully powered in 10 minutes.

phys.org

Battery breakthrough could usher in greener, cheaper electric vehicles

The global shift to electric vehicles is gaining momentum, yet the extraction of battery materials has a significant environmental footprint that comes with high costs.

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Researchers develop high-energy, high-efficiency all-solid-state sodium-air battery

A research team has successfully developed a high-energy, high-efficiency all-solid-state sodium-air battery. This battery can reversibly utilize sodium (Na) and air without requiring special equipment. The team was led by Professor Byoungwoo Kang and Dr. Heetaek Park from the Department of...

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A strategy to design anti-freezing electrolytes for batteries that can operate in extremely cold environments

Battery technologies that can reliably operate at very low temperatures could be highly valuable for a wide range of applications. These batteries could, for instance, power devices, vehicles, and robotic systems in outer space, deep under the sea, and in other extreme environments.

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Stable high-energy density lithium-ion batteries could lead to fast charging electric vehicles

A research team has developed a core technology to ensure the charging/discharging stability and long-life of lithium-ion batteries under fast-charging conditions. Their findings were published in Advanced Functional Materials.

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Battery researchers unveil the interaction between polymeric materials and sulfide solid electrolytes

A recent study in the field of chemistry demonstrates that maintaining distance can enhance battery performance in electric vehicles. In this study, a research team successfully developed a polymeric protective film that enables safe operation of the anode in sulfide-based all-solid-state...

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Researchers use AI to accelerate the chase for safer, better batteries

As the clean transition drives uptake of electric vehicles and energy storage for an electricity grid with ever greater dependence on variable renewable energy sources such as wind and solar, the danger from battery fires grows as well. To limit this risk while improving battery performance, the...

phys.org

Renew!

Developing recyclable lightweight battery housing and a second life for old battery cells

Scientists at the Fraunhofer Institute for Structural Durability and System Reliability LBF are developing battery housings that are as light and recyclable as possible, including those made of plastic for e-mobility.

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Tech

Achieving high performance and stability simultaneously: Developing hybrid bio-nanostructures

A research team developed hybrid bio-nanostructures then used them to fabricate fibrous solar cells (FSCs) and fibrous organic light-emitting diodes (FOLEDs) that demonstrated high performance and stability across a wide temperature range, from minus 80 degrees Celsius to 150 degrees Celsius...

phys.org

Better understanding of wave propagation processes could boost 5G and 6G networks

Researchers from the Smart and Wireless Applications and Technologies Group (SWAT-UGR) have conducted two scientific studies aimed at answering a common question: understanding how electromagnetic waves propagate in the medium.

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Understanding the origin of superconductivity in high-temperature copper oxide superconductors

Superconductors are materials that can conduct electricity with zero resistance when cooled to a certain temperature, called the critical temperature. They have applications in many fields, including power grids, maglev trains, and medical imaging. High-temperature superconductors, which have...

phys.org

New experiment investigates light-induced Meissner effect in optically driven superconductor

Superconductivity is a fascinating phenomenon, which allows a material to sustain an electrical current without any loss. This collective quantum behavior of matter only appears in certain conductors at temperatures far below ambient.

phys.org

Chemists develop robust molecule that gives organic electronic devices a boost

RIKEN chemists have developed a molecule that enhances the performance of organic electronic devices and is also more stable than previous alternatives, raising the chances that it could be used in industrial manufacturing processes. The study is published in Advanced Materials.

phys.org

New synthesis method enhances MoS₂ optoelectronic performance

An international research team led by Professor My Ali El Khakani of the Institut national de la recherche scientifique (INRS) has made a surprising discovery about the properties of molybdenum disulfide, also known as MoS2. The material is highly sought after in optoelectronics.

phys.org

Study demonstrates generation of orbital current via magnetization dynamics

Electrons inherently carry both spin and orbital angular momentum (i.e., properties that help to understand the rotating motions and behavior of particles). While some physicists and engineers have been trying to leverage the spin angular momentum of electrons to develop new technologies known...

phys.org

Fermionic Hubbard quantum simulator observes antiferromagnetic phase transition

In a study published in Nature, a research team has, for the first time, observed the antiferromagnetic phase transition within a large-scale quantum simulator of the fermionic Hubbard model (FHM).

phys.org

Detecting defects in tomorrow's technology: Study enhances understanding of likely candidate for next-generation chips

Silicon computer chips have served us well for more than half a century. The tiniest features on chips currently sold are approximately 3 nanometers—a startlingly small size given that a human hair is roughly 80,000 nanometers wide. Reducing the size of features on chips will help us meet our...

phys.org

Study reveals surprisingly simple method for determining exchange energy in 2D materials

Researchers from the University of Basel have looked at how the ferromagnetic properties of electrons in the two-dimensional semiconductor molybdenum disulfide can be better understood. They revealed a surprisingly simple way of measuring the energy needed to flip an electron spin.

phys.org

Exploring three-dimensional quantum Griffiths singularity in bulk unconventional iron-based superconductors

Exploration of exotic quantum phase transitions has always been a focus in condensed matter physics. Critical phenomena in a phase transition are entirely determined by the universality class, which is controlled by the spatial and/or order-parameters and is independent of microscopic details.

phys.org

Creating bio-concrete and biogenic construction materials with cyanobacteria

Fraunhofer researchers have developed a method of creating biogenic construction materials based on cyanobacteria. The bacteria multiply in a nutrient solution, driven by photosynthesis.

phys.org

New portable fluorescence sensors enable targeted detection of heavy metal chromium (III)

Prof. Jiang Changlong's research team from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has developed a highly sensitive ratiometric fluorescent probe that can detect heavy metal trivalent chromium (Cr3+) in the environment.

phys.org

First set of rational design principles for chaotropic membrane transporters

The challenge of internalizing impermeable molecules into cells persists in drug development, particularly concerning water-soluble bioactive compounds that cannot diffuse across the cell membrane. To overcome this problem, various artificial transporters, including polymers, lipids, and...

phys.org

Library of operating data enables analysis of complex electric grid

Researchers at Oak Ridge National Laboratory have opened a new virtual library where visitors can check out waveforms instead of books.

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[publiusr]

Battery tech

Unlocking the mystery behind the performance decline in a promising cathode material—implications for EV batteries

The first generation of lithium-ion batteries for electric vehicles has been a remarkable success story. Yet, the question arises: What changes to battery materials will spur further advances to extend driving range and lower costs?

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A new thermal regulator could enhance the safety of high-capacity lithium-ion batteries

High-capacity lithium-ion batteries (LIBs) could play a crucial role in the electrification of vehicles and other large electronics. To successfully deploy these batteries on a large scale, however, engineers will first need to ensure that they can safely operate at different temperatures and do...

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New process makes battery production more eco-friendly

Switching from gas-powered cars to electric vehicles is one way to reduce carbon emissions, but building the lithium-ion batteries that power those EVs can be an energy-intensive and polluting process itself. Now researchers at Dalhousie University have developed a manufacturing process that is...

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Rapidly declining costs of batteries and fuel cells could soon facilitate the electrification of heavy-duty vehicles

The electrification of road vehicles has already begun, with most automotive companies now investing in hybrid and electric cars. While these efforts could contribute to reducing carbon emissions worldwide, they have so far been primarily focused on cars, rather than trucks and heavy-duty...

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Chemistry and circuits

Researchers distill the facts of a chemical separation process and upend a decades-old theory

Since it was developed a few decades ago, the chemical separation process of organic solvent nanofiltration (OSN), has drawn attention for its potential to revolutionize vital industries, including those in fuel, food, and pharmaceuticals.

phys.org

Exploring self-healing mechanisms for stable photoelectrochemical water splitting

Achieving stability poses a significant challenge in the practical implementation of photoelectrochemical (PEC) water splitting. The main factors affecting the long-term stability of PEC devices are chemical- and photo-corrosion of the semiconductor light absorbers, along with damage to the...

phys.org

New promising catalyst: Study reveals tungsten pentaboride's resistance to sulfur poisoning

A group of researchers led by Professor Alexander Kvashnin from Skoltech's Energy Transition Center has published a new paper on tungsten pentaboride, WB5-x, a substance that has a number of advantages over traditional catalysts.

phys.org

Researchers present new method to fine-tune properties of layered transition metal dichalcogenide crystals

A research group led by Prof. Cao Liang from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, together with collaborators, has introduced an additional translational degree of freedom in layered transition metal dichalcogenide crystals, enabling fine-tuning of their...

phys.org

Engineers integrate wafer-scale 2D materials and metal electrodes with van der Waals contacts

A research team has achieved progress in studying van der Waals (vdW) contacts for two-dimensional (2D) electrical devices. The team developed an innovative all-stacking technique for fabricating 2D electrical devices, optimizing the interface contact between 2D materials and metal electrodes...

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Stacking three layers of graphene with a twist speeds up electrochemical reactions

Tri-layer may be better than bi-layer for manufacturing, improving the speed and capacity of electrochemical and electrocatalytic devices.

phys.org

Electric fields boost graphene's potential, study shows

Researchers at the National Graphene Institute have made a discovery that could revolutionize energy harnessing and information computing. Their study, published in Nature, reveals how electric field effects can selectively accelerate coupled electrochemical processes in graphene.

phys.org

New 2D polymer brings scientists a step closer to realizing switchable quantum states

An international research team led by Dr. Florian Auras from Dresden University of Technology (TUD) has succeeded in developing a new type of material in the rather young research field of covalent organic frameworks. The new two-dimensional polymer is characterized by the fact that its...

phys.org

Chemists develop technique for extending nitrene reactions to three days

A team of chemists at the University of Bremen, in Germany has developed a new type of nitrene capable of slow reactions that can last for up to three days. Their paper is published in the journal Science.

phys.org

Investigating DNA flexibility for the creation of new biomaterials

Northwestern investigators have demonstrated how manipulating DNA chemistry can alter its structure and flexibility and enable the realization of new materials useful in medicine and the life sciences, according to a study published in Science Advances.

phys.org

New photonic chip spawns nested topological frequency comb

Scientists on the hunt for compact and robust sources of multicolored laser light have generated the first topological frequency comb. Their result, which relies on a small silicon nitride chip patterned with hundreds of microscopic rings, appears in the journal Science.

phys.org

Researchers create power-generating, gel electret-based device for wearable sensors

A team of researchers from NIMS (National Institute for Materials Science), Hokkaido University and Meiji Pharmaceutical University has developed a gel electret capable of stably retaining a large electrostatic charge. The team then combined this gel with highly flexible electrodes to create a...

phys.org

Boosting the synthesis of stable sugar compounds with a novel nature-inspired approach

Researchers from the National University of Singapore (NUS) have developed a new biomimetic concept to convert naturally occurring sugars into diverse classes of stable glycosides and glycoproteins without using protecting-group chemistry. This innovation promises to accelerate carbohydrate...

phys.org

A perovskite for the efficient photocatalytic conversion of ethane into ethylene and hydrogen

Ethylene (C2H4) is a highly flammable compound widely used in numerous settings, including the manufacturing of packaging and plastic-based items, the chemical industry, agriculture and health care. Developing effective and sustainable methods to produce ethylene on a large scale could help to...

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Discovery of one-dimensional topological insulator for qubits, other technology

A joint research team that included members from Tohoku University has unveiled a new topological insulator (TI), a unique state of matter that differs from conventional metals, insulators, and semiconductors.

phys.org

Research highlights potential of photo-driven fin field-effect transistors

Infrared detectors are the core components of infrared detection systems and play an important role in fields such as night vision, remote sensing, and health monitoring. In this context, the utilization of mature silicon technologies to develop miniaturized, highly integrated, and...

phys.org

New biocatalytic method eliminates cyanide in nitrile production

If the household cleaner emits a lemon-like odor, this may be due to a nitrile called citronellyl nitrile. These versatile chemical nitrile groups are also used in the manufacture of active pharmaceutical ingredients, superglue and chemical-resistant gloves. The prevalent production process used...

phys.org

 

[publiusr]

New finds

Eco-friendly solution for battery waste: New study unveils novel metal extraction technique

A new study led by researchers in Canada introduces a novel process for the extraction and separation of metals from spent alkaline batteries, offering a promising solution for efficient recycling of critical materials.

phys.org

Study employs image-recognition AI to determine battery composition and conditions

An international collaborative research team has developed an image recognition technology that can accurately determine the elemental composition and the number of charge and discharge cycles of a battery by examining only its surface morphology using AI learning.

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Viologen redox flow batteries offer an alternative to vanadium

A technology has been developed to replace the active material in large-capacity ESS "redox flow batteries" with a more affordable substance.

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Scientists develop new electrolytes for low-temperature lithium metal batteries

Electric vehicles, large-scale energy storage, polar research and deep space exploration all have placed higher demands on the energy density and low-temperature performance of energy storage batteries. In recent years, lithium metal batteries with a high specific capacity of lithium metal anode...

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Lab creates world's first anode-free sodium solid-state battery

UChicago Pritzker Molecular Engineering Prof. Y. Shirley Meng's Laboratory for Energy Storage and Conversion has created the world's first anode-free sodium solid-state battery.

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New electrolyte design boosts lithium metal battery range while minimizing fluorine content

A new electrolyte design for lithium metal batteries could significantly boost the range of electric vehicles. Researchers at ETH Zurich have radically reduced the amount of environmentally harmful fluorine required to stabilize these batteries.

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Chemistry news

How to increase the rate of plastics recycling

While recycling systems and bottle deposits have become increasingly widespread in the U.S., actual rates of recycling are "abysmal," according to a team of MIT researchers who studied the rates for recycling of PET, the plastic commonly used in beverage bottles. However, their findings suggest...

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Catalysts with single non-noble metal component for efficient conversion of biomass-based chemicals

Utilization of biomass as the basic feedstock for the production and chemicals and energy storage has been demonstrated to be an important alternative to achieve sustainable society, which has attracted increasing interests in both academic and industrial communities for decades.

phys.org

Novel spectroscopy technique sheds light on nitrogen oxides reduction

When power plants burn fossil fuels at high temperatures, nitrogen and oxygen molecules break apart and then recombine to form a class of compounds called nitrogen oxides, or NOx. These gases are major pollutants and contribute to—among other things—acid rain and global warming.

phys.org

New probe reveals water-ice microstructures

Ice is believed to have played a crucial role in the emergence of life. One reason is that organic molecules can be excluded into the gaps between the crystal lattice by orderly arranged water molecules, leading to the concentration of organic compounds.

phys.org

Researchers demonstrate economical process for the synthesis and purification of ionic liquids

Recently, a team of researchers from Pohang University of Science and Technology (POSTECH), the Korea Research Institute of Chemical Technology, and Chonnam National University has developed a technique to separate well-mixed mixtures.

phys.org

New catalysts enable greener ester synthesis

A new catalyst may well catalyze a shift to greener chemistry. Chemists from Yokohama National University have successfully developed innovative catalysts containing two noble metals that demonstrate remarkable efficiency in ester-producing chemical reactions and utilize oxygen as the sole...

phys.org

3D covalent organic frameworks with zyg topology for photocatalytic synthesis of hydrogen peroxide

A research team proposed a new synthetic strategy of COFs based on a new topology that remotely separates donor (D) and acceptor (A) units in 3D lattice to produce the expected metastable photo-induced charge-separated states.

phys.org

Melanin from cuttlefish ink shows promise as sustainable biomass resource

Every year, the negative effects of human activities on the environment become increasingly clear. From climate change and microplastics to the endangerment and extinction of countless species, it is evident that we need to find new ways to achieve sustainability. Fortunately, many research...

phys.org

Investigations of the polysomatism of antigorite under pressure

Antigorite is a type of serpentine, which is the most abundant hydrated mineral on the Earth. It is widely believed that this mineral is the main carrier of water deep into the Earth in subducting oceanic plates. It has a wavy structure along the a-axis, and in nature, several polysomes with...

phys.org

 

[shin_getter]

Batteries: how cheap can they get?

How dirt cheap batteries will completely transform our electricity grid, paving the way for solar and wind and replacing grid reinforcements with grid buffers.

aukehoekstra.substack.com

Personal take aways: Raw material costs:
NMC: $50kW/h at 300Wh/kg
LFP: $12kW/h at 200Wh/kg
Sodium: <$5kW/h at 160Wh/kg

Basically saying there is still quite a bit of space to go in production costs.

 

[publiusr]

News on battery design

Prussian blue analogs unlock affordable, long-lasting lithium-ion batteries

Prussian blue (PB), a well-known pigment used to dye jeans, has been recognized as an emerging material for next-generation batteries. A team of researchers, led by Professor Hyun-Wook Lee in the School of Energy and Chemical Engineering at UNIST has made a significant breakthrough in the...

phys.org

Study introduces lead-coated nickel catalyst for enhanced hydrogen evolution reaction efficiency

In a recent collaboration, a research team developed a hydrogen evolution reaction catalyst that minimizes degradation caused by reverse current in alkaline water electrolysis systems.

phys.org

Photoelectron spectroscopy analysis shows how solid-state batteries degrade

Solid-state batteries have several advantages: They can store more energy and are safer than batteries with liquid electrolytes. However, they do not last as long and their capacity decreases with each charge cycle. But it doesn't have to stay that way.

techxplore.com

Single-crystal synthesis technology enhances durability of lithium secondary batteries

A research team has recently demonstrated a single-crystal synthesis technology that significantly extends the lifespan of cathode materials for electric vehicles. This research was published in the online edition of ACS Materials & Interfaces, an international journal in the materials science...

techxplore.com

Making rechargeable batteries more sustainable with fully recyclable components

Rechargeable solid-state lithium batteries are an emerging technology that could someday power cell phones and laptops for days with a single charge. Offering significantly enhanced energy density, they are a safer alternative to the flammable lithium-ion batteries currently used in consumer...

techxplore.com

Look out

SwRI evaluates cybersecurity risks associated with EV fast-charging equipment

SwRI finds vulnerabilities in between EVs and fast-charging infrastructure

www.swri.org

 

[publiusr]

Just in

Novel electrolyte design shows promise for longer-lasting lithium-metal batteries

Lithium-metal batteries could exhibit significantly higher energy densities than lithium-ion batteries, which are the primary battery technology on the market today. Yet lithium-metal cells also typically have significant limitations, the most notable of which is a short lifespan.

techxplore.com

Redox-active metal-organic framework developed for Li batteries in freezing conditions

The Korea Institute of Energy Research (KIER) has developed a redox-active metal-organic hybrid electrode material (SKIER-5) for Li batteries that remains stable in cold conditions as low as minus 20 degrees Celsius. By addressing the limitations of graphite as an anode material of conventional...

techxplore.com

Dormant capacity reserve in lithium-ion batteries detected

Lithium iron phosphate is one of the most important materials for batteries in electric cars, stationary energy storage systems and tools. It has a long service life, is comparatively inexpensive and does not tend to spontaneously combust. Energy density is also making progress. However, experts...

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Energizing the future: AI innovations for longer-lasting lithium-ion batteries

We are excited to present an advancement in the management of lithium-ion battery performance, a critical component in the transition towards sustainable energy. Our team from the School of Engineering, Technology, and Design at Canterbury Christ Church University, U.K., has focused on utilizing...

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Solid-state electrolyte advance could double energy storage for next-gen vehicles

Using a polymer to make a strong yet springy thin film, scientists led by the Department of Energy's Oak Ridge National Laboratory are speeding the arrival of next-generation solid-state batteries. This effort advances the development of electric vehicle power enabled by flexible, durable sheets...

techxplore.com

Neutron imaging allows researchers to see inside a redox flow battery

At the beginning of the 20th century, the invention of X-ray imaging provided a leap of knowledge in medical science. Since then, we can see how our body's bones work, bringing numerous new treatments to light.

techxplore.com

New alloy surpasses 2025 fuel cell performance targets

Scientists at the Daegu Gyeongbuk Institute of Science and Technology have created a fuel cell catalyst made from platinum and magnesium. The new catalyst, which uses the world's first platinum–magnesium alloy nanoparticles, is expected to be both highly efficient and durable, potentially...

techxplore.com

Researchers overcome critical challenges in developing fire-risk-free aqueous zinc batteries

Researchers have developed a key electrode manufacturing technology that can control dendrite formation in aqueous zinc batteries. The team includes Dr. Jung-Je Woo from the Gwangju Clean Energy Research Center at the Korea Institute of Energy Research (KIER), along with Professor Jaephil Cho's...

techxplore.com

Chemists create gel to prevent leaks and boost lithium-ion battery life

A new type of gel, developed by chemists at the Martin Luther University Halle-Wittenberg (MLU), could help to make lithium-ion batteries safer and more powerful. The gel is designed to prevent the highly flammable electrolyte fluid from leaking.

phys.org

Researchers discover a surprising way to jump-start battery performance

A lithium-ion battery's very first charge is more momentous than it sounds. It determines how well and how long the battery will work from then on—in particular, how many cycles of charging and discharging it can handle before deteriorating.

techxplore.com

Preventing car battery fires with help from machine learning

One of the most critical safety concerns for electric vehicles is keeping their batteries cool, as temperature spikes can lead to dangerous consequences.

techxplore.com

Novel organic redox-active molecules for flow batteries show stable cycling performance

Organic redox-active molecules (ORAMs) are abundant and diverse, offering significant potential for cost-effective and sustainable energy storage, particularly in aqueous organic flow batteries (AOFBs). However, ensuring the stability of the ORAMs during the charge and discharge process is...

techxplore.com

Scalable graphene technology could significantly enhance battery safety and performance

Researchers at Swansea University, in collaboration with Wuhan University of Technology, Shenzhen University, have developed a pioneering technique for producing large-scale graphene current collectors.

techxplore.com

Ultra-stable layered oxide cathodes could boost battery performance

Recent efforts aimed at developing more advanced battery technologies have in great part focused on designing novel cathode materials. This is because existing cathodes do not perform well at high voltages and can contribute to the rapid loss of battery capacity.

techxplore.com

Study of disordered rock salts leads to battery breakthrough

For the past decade, disordered rock salt has been studied as a potential breakthrough cathode material for use in lithium-ion batteries and a key to creating low-cost, high-energy storage for everything from cell phones to electric vehicles to renewable energy storage.

techxplore.com

LiMnO₂ electrodes could replace Ni/Co in electric vehicle batteries

Lithium-ion (or Li-ion) batteries are heavy hitters when it comes to the world of rechargeable batteries. As electric vehicles become more common in the world, a high-energy, low-cost battery utilizing the abundance of manganese (Mn) can be a sustainable option to become commercially available...

techxplore.com

Carbon fiber structural battery battery paves way for light, energy-efficient vehicles

When cars, planes, ships or computers are built from a material that functions as both a battery and a load-bearing structure, the weight and energy consumption are radically reduced. A research group at Chalmers University of Technology in Sweden is now presenting a world-leading advance in...

techxplore.com

Folded or cut, researchers design a lithium-sulfur battery that keeps going

Most rechargeable batteries that power portable devices, such as toys, handheld vacuums and e-bikes, use lithium-ion technology. But these batteries can have short lifetimes and may catch fire when damaged.

techxplore.com

Dielectric protocol leads to high energy density in Li-metal pouch cells

The interface between electrodes and electrolytes largely contributes to the efficiency with which batteries convert energy. In recent years, many efforts aimed at developing better performing batteries have focused on tailoring the electrode/electrolyte interface to boost the energy density of...

techxplore.com

Producing future low-cost, aqueous zinc-ion batteries for sustainable, large-scale energy storage

With global demand for lithium-ion batteries fast depleting reserves of raw materials, experts are seeking safe, affordable and reliable alternatives for rechargeable batteries.

techxplore.com

Erbium-doped electrocatalyst enhances oxygen evolution reactions in acidic environments

A group of researchers has developed an electrocatalyst that promises to significantly enhance the efficiency and stability of oxygen evolution reactions (OER) in acidic environments. By incorporating a rare earth element, erbium (Er), into the commonly studied cobalt oxide (Co3O4) catalyst, the...

phys.org

Discovery could lead to longer-lasting EV batteries, hasten energy transition

Batteries lose capacity over time, which is why older cellphones run out of power more quickly. This common phenomenon, however, is not completely understood.

techxplore.com

Asymmetric electrolyte design enables high-capacity anodes in lithium-ion batteries

Lithium-ion batteries (LiBs) have become the most widely used rechargeable batteries worldwide. Energy researchers and material scientists have been trying to identify alternative materials that could serve as LIB components, potentially leading to improvements in battery performance and...

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