Current Batteries News and Events

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Creating higher energy density lithium-ion batteries for renewable energy applications
Lithium-ion batteries that function as high-performance power sources for renewable applications, such as electric vehicles and consumer electronics, require electrodes that deliver high energy density without compromising cell lifetimes. In the Journal of Vacuum Science and Technology A, researchers investigate the origins of degradation in high energy density LIB cathode materials and develop strategies for mitigating those degradation mechanisms and improving LIB performance. (2020-11-24)

Staying ahead of the curve with 3D curved graphene
A team of researchers has amplified 3D graphene's electrical properties by controlling its curvature. (2020-11-20)

The ultimate conditions to get the most out of high-nickel batteries
It is common knowledge in battery manufacturing that many cathode materials are moisture sensitive. However, as the popularity of high nickel-based battery components increases, researchers from WMG, University of Warwick have found that the drier the conditions that these cathodes are stored and processed in, then significant improvement in performance of the battery is gained. (2020-11-18)

New technique seamlessly converts ammonia to green hydrogen
Northwestern University researchers have developed a highly effective, environmentally friendly method for converting ammonia into hydrogen. The new technique is a major step forward for enabling a zero-pollution, hydrogen-fueled economy. The idea of using ammonia as a carrier for hydrogen delivery has gained traction in recent years because ammonia is much easier to liquify than hydrogen and is therefore much easier to store and transport. Northwestern's technological breakthrough overcomes several existing barriers to the production of clean hydrogen from ammonia. (2020-11-18)

Printed solid-state batteries
A Maryland-led team developed a new method of printing and sintering a variety of solid-state electrolyte thin films called ''printing and radiative heating'' (2020-11-18)

A new understanding of ionic interactions with graphene and water
The findings from Northwestern University and Argonne National Laboratory researchers could inform design of environmental technologies behind water purification processes and electric energy storage. (2020-11-17)

Surrey reveals simple method to produce high performing Lithium Selenium batteries
Engineers at the University of Surrey have developed a simple and elegant method of producing high-powered lithium-selenium (Li-Se) batteries. (2020-11-16)

Quantum tunneling pushes the limits of self-powered sensors
Using quantum tunneling, the lab of Shantanu Chakrabarty, at the McKelvey School of Engineering at Washington University in St. Louis, has developed self-powered sensors that can run for more than a year. (2020-11-16)

Anions matter
Metal-ion hybrid capacitors combine the properties of capacitors and batteries. One electrode uses the capacitive mechanism, the other the battery-type redox processes. Scientists have now scrutinized the role of anions in the electrolyte. The results, which have been published in the journal Angewandte Chemie, reveal the importance of sulfate anions. Sulfate-based electrolytes gave zinc-ion hybrid capacitors outstanding performance and extra-long operability. (2020-11-13)

Environmentally friendly method could lower costs to recycle lithium-ion batteries
A new process for restoring spent cathodes to mint condition could make it more economical to recycle lithium-ion batteries. The process, developed by nanoengineers at the University of California San Diego, is more environmentally friendly than today's methods; it uses greener ingredients, consumes 80 to 90% less energy, and emits about 75% less greenhouse gases. (2020-11-12)

Interlayer ligand engineering of β-Ni(OH)2 for oxygen evolution reaction
Alkoxyl substitution strategy is proposed to enlarge the interlayer distances and tune the interface environments of β-Ni(OH)2. Operando X-ray absorption spectroscopy studies combined with ex-situ analyses revealed that the critical active species of NiEt is formed via hydroxylation and subsequent de-protonation, with high valent Niδ+(3<δ?3.66). The corresponding catalytic reaction pathway and mechanism are proposed. (2020-11-11)

Improving high-energy lithium-ion batteries with carbon filler
Lithium-ion batteries are the major rechargeable power source for many portable devices as well as electric vehicles, but their use is limited, because they do not provide high power output while simultaneously allowing reversible energy storage. Research reported in Applied Physics Reviews aims to offer a solution by showing how the inclusion of conductive fillers improves battery performance. (2020-11-10)

Creating 3D virtual personas of all-solid-state batteries, building a better tomorrow
Scientists are eyeing all-solid-state-lithium batteries as a safer alternative to conventional lithium-ion batteries; but their performance needs much improvement. Now, with the 3D digital twin technology that a team from Korea has developed, a 3D digital replica of the real thing can be developed, and their solid interface microstructures can be studied in detail, potentially accelerating their advancement manifold. (2020-11-09)

Story tips: Ice breaker data, bacterial breakdown, catching heat and finding order
ORNL story tips: Ice breaker data, bacterial breakdown, catching heat and finding order (2020-11-05)

New technique extends next-generation lithium metal batteries
Columbia Engineering researchers have found that alkali metal additives, such as potassium ions, can prevent lithium microstructure proliferation during battery use. They used a combination of microscopy, nuclear magnetic resonance, and computational modeling to discover that adding small amounts of potassium salt to a conventional lithium battery electrolyte produces unique chemistry at the lithium/electrolyte interface, and modulates degradation during battery operation, preventing the growth of microstructures and leading to safer, longer lasting batteries. (2020-11-04)

UCF researcher is working to extend battery life in smartphones, electric cars
A University of Central Florida researcher is working to make portable devices and electric vehicles stay charged longer by extending the life of the rechargeable lithium-ion batteries powering them. He is doing this by making the batteries more efficient, with some of his latest work focusing on keeping the anode from falling apart over time. The new technique is detailed in the journal Advanced Materials. (2020-10-26)

Charging electric cars up to 90% in 6 minutes
POSTECH Professor Byoungwoo Kang's research team uncovers a new Li-ion battery electrode material that can achieve high-energy density and high power capability per volume without reducing particle size. (2020-10-23)

Collaboration sparks new model for ceramic conductivity
As insulators, metal oxides - also known as ceramics - may not seem like obvious candidates for electrical conductivity. While electrons zip back and forth in regular metals, their movement in ceramic materials is sluggish and difficult to detect. (2020-10-22)

Plugging in: Survey examines American perceptions of -- and resistance to -- electric vehicles
The latest installment of the Climate Insights 2020 report series finds that resistance to purchasing electric vehicles derives from a variety of sources -- and those reasons differ among some demographics. (2020-10-19)

New 'green' engine for lorries ahead of the demanding anti-contamination regulation
Researchers from the Polytechnic University of Valencia (UPV) have designed a new engine to decrease the environmental impact of the most common type of lorries that travel on European roads - those that weigh between 18 and 25 tonnes. From their laboratories at the CMT-Thermal Engines of the UPV, they propose a new configuration that unites all the benefits of hybrid and dual-fuel combustion engines. (2020-10-19)

Molecular design strategy reveals near infrared-absorbing hydrocarbon
The lessons learned from a near infrared absorbing, bowl-shaped molecule made only from hydrogen and carbon atoms offers insights for future organic conductors. (2020-10-17)

LiU researchers first to develop an organic battery
Researchers at the Laboratory of Organic Electronics, Linköping University, have for the first time demonstrated an organic battery. It is of a type known as a 'redox flow battery', with a large capacity that can be used to store energy from wind turbines and solar cells, and as a power bank for cars. An article now published in Advanced Functional Materials. (2020-10-15)

A new approach boosts lithium-ion battery efficiency and puts out fires, too
Building new functionality into an overlooked lithium-ion battery component addresses two major goals of battery research: extending the driving range of electric vehicles and reducing the danger that laptops, cell phones and other devices will burst into flames. (2020-10-15)

Making disorder for an ideal battery
The lithium batteries that power our electronic devices and electric vehicles have a number of drawbacks. The electrolyte is a flammable liquid and the lithium they're made of is a limited resource. Specialists at the University of Geneva have developed a non-flammable, solid electrolyte that operates at room temperature. It transports sodium - which is found everywhere on earth - instead of lithium. (2020-10-12)

The perfect angle for e-skin energy storage
Researchers at DGIST have found an inexpensive way to fabricate tiny energy storage devices that can effectively power flexible and wearable skin sensors along with other electronic devices, paving the way towards remote medical monitoring & diagnoses and wearable devices. Their findings were published in the journal Nano Energy. (2020-10-12)

Spinach: good for popeye and the planet
Spinach, when converted from its leafy, edible form into carbon nanosheets, acts as a catalyst for an oxygen reduction reaction in fuel cells and metal-air batteries. (2020-10-05)

Ecological power storage battery made of vanillin
Researchers at TU Graz have found a way to convert the aromatic substance vanillin into a redox-active electrolyte material for liquid batteries. The technology is an important step towards ecologically sustainable energy storage. (2020-10-01)

800 million children still exposed to lead
Every third child in the world has too much lead in their body, according to a report from UNICEF and Pure Earth. Norwegian children are also affected. (2020-10-01)

New storage battery more efficient and heat-resistant
The more important renewable energy sources become, the more urgent is the need to store the electricity produced in this way. Green energy could then also be used when the sun is not shining. To achieve this, suitable energy storage devices are indispensable. Researchers at the University of Jena (Germany) have recently developed promising new polymer electrolytes for redox flow batteries, which are flexible, efficient, and environmentally friendly. (2020-09-25)

A high potential biphenol derivative cathode
Herein a stable air-insensitive biphenol derivative cathode, 3,3',5,5'-tetramethylaminemethylene-4,4'-biphenol (TABP), with high solubility (>1.5 mol L-1) and redox potential (0.91 V vs. SHE) is designed and synthesized by a scalable one-step method. (2020-09-23)

Battery fires: Industry and research must work together for safer batteries
Fire safety issues with lithium-ion batteries could be addressed with better collaboration across sectors, Imperial College London experts have said. (2020-09-23)

Ultra-low-cost hearing aid could address age-related hearing loss worldwide
Using a device that could be built with a dollar's worth of open-source parts and a 3D-printed case, researchers want to help the hundreds of millions of older people worldwide who can't afford existing hearing aids to address their age-related hearing loss. (2020-09-23)

New research says Sodium-ion batteries are a valid alternative to Lithium-ion batteries
A team of scientists including WMG at the University of Warwick combined their knowledge and expertise to assess the current status of the Na-ion technology from materials to cell development, offering a realistic comparison of the key performance indicators for NBs and LIBs. (2020-09-22)

Scientists identify solid electrolyte materials that boost lithium-ion battery performance
The discovery could help battery researchers design the first solid electrolytes that are safe, cheap and efficient. (2020-09-21)

Fast calculation dials in better batteries
A simpler and more efficient way to predict the performance of batteries will lead to better batteries, according to Rice University engineers. (2020-09-16)

Ultrahigh energy density transition-metal-free cathodes designed by band structure engineering
An effective strategy for tuning the electrochemical potentials of carbonaceous electrodes is proposed, which can dramatically shift-down the Fermi level of systems to enhance the electrochemical potentials as well as improve structural stabilities. The average Li+ intercalation potential of the newly designed LiBCF2/LiB2C2F2 cathodes reach 3.49/3.63 V, delivering the record-breaking high energy densities of 1379.9/1073.8 Wh kg?1. This work guides the design of next-generation transition-metal-free cathode materials through band structure engineering. (2020-09-15)

Predicting the slow death of lithium-ion batteries
A new model offers a way to predict the condition of a battery's internal systems in real-time with far more accuracy than existing tools. In electric cars, the technology could improve driving range estimates and prolong battery life. (2020-09-14)

Solvation rearrangement brings stable zinc/graphite batteries closer to commercial grid storage
A research team led by Prof. CUI Guanglei and ZHAO Jingwen from Qingdao Institute of Bioenergy and Bioprocess Technology (QIBEBT), Chinese Academy of Sciences (CAS) proposed an approach of solvation rearrangement that brings stable zinc/graphite batteries closer to commercial grid storage. (2020-09-10)

Lightweight green supercapacitors could charge devices in a jiffy
In a new study, researchers at Texas A&M University have described their novel plant-based energy storage device that could charge even electric cars within a few minutes in the near future. Furthermore, they said their devices are flexible, lightweight and cost-effective. (2020-09-08)

More power to you: A novel betavoltaic technology with dyes for better energy production
Scientists at Daegu Gyeongbuk Institute of Science and Technology (DGIST) in Korea have found a way to improve the efficiency of betavoltaic devices, a type of power source that uses an internal radioactive material. This study opens up a new horizon in the field of nuclear batteries for powering set-and-forget electronic devices. (2020-09-04)

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