Articles tagged with Electrochemical Cells
Researchers at Graz University of Technology developed design guidelines for batteries in electric vehicles to increase safety, make repairs easier, and improve sustainability. The new designs facilitate recycling and reuse of damaged cells, reducing waste and conserving resources.
Alexis Grimaud, a leading researcher in battery materials chemistry, has received the National Science Foundation CAREER Award to support his work on developing new battery materials with improved energy density and scalability. His project aims to explore complex materials that can be used as battery electrode materials.
Researchers have developed a detector that delivers high sensitivity while operating at ordinary room temperature, using carbon nanotubes and a pyroelectric lithium niobate crystal. The device surpasses earlier graphene-based detectors by several orders of magnitude and offers a broad spectral range without cryogenic cooling.
Researchers will address the unstable interface between lithium metal anode and solid electrolyte by engineering ultra-thin films to reduce degradation and resistance. The goal is to improve reliability and stability of solid-state batteries for electric vehicles, enabling faster charging and greater energy storage potential.
A simple protonated organic solvent treatment removes native oxide layers and forms a functional magnesium ethoxide interlayer, preserving the anode's microstructure. This enables uniform stripping and plating, delivering unprecedented cycling stability.
A Korean research team identified surface oxidation occurring during dehydration as the true cause of performance degradation in promising next-generation battery materials. They developed a new liquid-phase bubbling dehydration process that suppresses surface oxidation and improves battery performance.
A new battery management system developed in the EU project Nemo enables early damage detection and extends service life of electric car batteries. The system uses advanced sensor technology to monitor battery cells and predict aging, reducing the risk of internal short circuits and thermal peaks.
Researchers introduce phosphonate ester groups into conductive polymer films to balance electronic charge transport and ion transport, improving OECT performance. The approach enables precise tuning of polymer properties without redesigning monomers.
Researchers at MIT have developed a low-temperature process to extract battery-grade lithium from hard rock minerals, minimizing waste and costs. The closed-loop system can produce useful materials, including lithium salts, alumina, and silica, with an estimated cost reduction of half compared to traditional methods.
Researchers find popular sodium-ion battery matches performance parameters and production quality of Tesla's lithium-ion batteries. Tweaking the Hina battery to charge more effectively at low temperatures could provide a cost-effective alternative for future electric vehicle batteries.
Hanyang University researchers found that a coating thickness of 2.5 nanometers is necessary to prevent harmful side reactions in sulfide-based all-solid-state batteries. The study showed improved electrochemical performance and cycle life with this minimum effective coating thickness.
A new method using rheo-impedance spectroscopy links slurry shear conditions to battery performance, enabling data-driven optimization and improved manufacturing efficiency. The study found an optimal 'sweet spot' in processing conditions that balances breaking up particle clusters with maintaining electrical pathways.
Scientists analyzed a TiS2|Li3YCl6 half-cell in operando at BESSY II and discovered that intrinsic oxygen causes rapid capacity loss. Oxygen-containing species migrate to the cathode current collector, forming an amorphous layer rich in titanium oxides.
Max Planck researchers have discovered how microscopic dendrites induce fractures in solid-state batteries, leading to short circuits. By understanding the counterintuitive phenomenon of dendrite formation, they've identified potential strategies to prevent or delay cracking.
Researchers developed an uncertainty-aware AI framework for predicting proton exchange membrane fuel cell degradation trends. The framework provides both point estimates and interval estimates with probability density information, improving the reliability of fuel-cell prognosis under realistic operating conditions.
Binghamton University Distinguished Professor M. Stanley Whittingham has been elected as an AAAS Fellow for his groundbreaking work on intercalation chemistry and its applications to lithium-ion batteries. This honor recognizes his contributions to advancing science and promoting scientific progress.
The NSF Energy Storage Engine has received $45 million over three years to advance next-gen battery and energy storage systems. It will focus on safety, cost efficiency, and AI integration in manufacturing.
A University of Virginia researcher is developing an alternative method to remove nitrate from wastewater by converting it into valuable chemical products. The project uses electrocatalysis and modulation excitation spectroscopy to optimize the conversion process, aiming to reduce energy consumption and environmental impact.
A new method has been developed to enable nondestructive diagnosis of the electrolyte in rechargeable batteries through the battery casing using special nuclear magnetic resonance techniques. The technique, known as ZULF NMR, allows for the direct detection and quantification of electrolyte components without damaging the battery.
Researchers explore how METs convert organic waste into electricity, fuels, fertilizers, and usable water. Pilot deployments demonstrate its potential to reclaim energy from 359 billion cubic meters of wastewater annually.
Emerging microbially-powered technologies can convert up to 35% of wastewater's chemical energy into electricity and extract valuable nutrients. This approach could power agriculture, global sanitation and its own treatment, while reducing pollution and overcoming regulatory obstacles.
A new AI tool uses discovery learning to predict battery cycle life with just a few days' data, saving months to years of testing and substantial energy. The tool leverages physics-based features to establish parallels between historical battery designs, allowing for accurate prediction performance.
Researchers at Chalmers University of Technology have achieved a new breakthrough in structural battery composites, a material that stores energy while also carrying mechanical loads. This innovation has the potential to make electric vehicles lighter and more efficient, as well as be applied to aircraft.
A new plant-based hydrogel has been developed to tackle the problem of metallic zinc growing needle-like dendrites that short-circuit cells within a few hundred cycles. The cellulose-nanofiber dual network boosts ion flow and mechanical strength, delivering a cheap and biodegradable electrolyte.
Researchers developed an anode-free lithium metal battery that delivers nearly double driving range using the same battery volume. The battery's volumetric energy density of 1,270 Wh/L is nearly twice that of current lithium-ion batteries used in electric vehicles.
A new hybrid anode technology has been developed that delivers higher energy storage while reducing thermal runaway and explosion risks. The 'magneto-conversion' strategy applies an external magnetic field to ferromagnetic manganese ferrite conversion-type anodes, promoting uniform lithium ion transport and preventing dendrite formation.
Researchers from POSTECH found that aluminum reduces internal structural distortion in cathodes, preventing oxygen holes and shortening battery life. By adding a small amount of aluminum, the team extends battery lifespan while improving energy density.
Researchers discovered that peat-based iron-nitrogen-carbon catalysts exhibit exceptional efficiency and selectivity in oxygen reduction reactions. The microstructure of these catalysts plays a crucial role in promoting the desired electrochemical reactions.
A team of engineers at Rice University has developed a cleaner approach to recycling lithium-ion battery waste by recharging the cathode materials. The process produces high-purity lithium hydroxide with minimal energy consumption, making it a promising solution for sustainable battery production.
Researchers have created a novel three-dimensional porous structure that improves the lifespan and safety of lithium-metal batteries. The design allows for uniform lithium deposition, reducing the risk of internal short-circuits or explosions.
A new kind of electrochemical system combines two chemical reactions, oxidation and hydrogenation, to produce renewable plastics and fine chemicals. The process achieves full conversion of plant-based molecules into the desired products with high efficiency and stability.
Researchers developed a new diagnostic metric called State of Mission (SOM) to predict EV battery performance based on both battery data and environmental factors. SOM significantly reduced prediction errors compared to traditional methods.
A team of researchers has developed a new material that enhances the capacity and stability of lithium-sulphur batteries by trapping polysulphides in open pores, reducing battery life shortening. The material improves Li-S battery performance to over 1,500 cycles with minimal capacity loss.
Researchers at Uppsala University developed an AI model that can accurately predict battery ageing, leading to longer life and enhanced safety for electric vehicle batteries. The model reduces the need for sensitive vehicle data and provides a detailed picture of chemical processes inside batteries.
A new Stanford University study finds that most US households (60%) can reduce their electricity costs by 15% and weather local or regional blackouts with solar-battery systems. The systems would meet about half of the household's electricity needs on average, allowing them to save money or see no rise in costs.
Researchers have developed solid-state batteries that can charge in a fraction of the time and pack more energy into less space than traditional lithium-ion versions. These batteries use stable solid materials instead of liquid electrolytes, enabling faster charging, reduced safety risks, and improved efficiency.
Researchers at POSTECH have developed an interlocked electrode-electrolyte system that forms covalent chemical bonds between the electrode and electrolyte, maintaining long-term stability. The IEE-based pouch cell demonstrated significantly higher energy density compared to traditional lithium-ion batteries.
Researchers from the University of Oklahoma have made significant breakthroughs in protonic ceramic electrochemical cells (PCECs), addressing challenges in manufacturing and efficiency. A new approach eliminates cerium-based materials, allowing pure barium zirconate-based electrolytes to remain stable at record-low temperatures.
Manuel Souto received the Young Researcher Award from the Spanish Royal Society of Chemistry for his leadership of the ElectroMolMat research group at CiQUS. The award recognizes his outstanding professional achievements and contributions to electroactive molecular materials.
Researchers have developed a new sensor to detect hazardous gas leaks in lithium-ion batteries, which could prevent catastrophic failures and enhance the reliability of battery-powered technologies. The sensor detects trace amounts of ethylene carbonate vapour, targeting potential battery failures before they escalate into disasters.
A collaboration between Japanese, Korean, and American researchers found that larger cations suppress platinum dissolution compared to smaller cations. The study reveals a 'cation effect' influencing electrode durability.
University of Missouri researchers developed a solution to improve solid-state battery performance by understanding the root cause of issues. They used 4D STEM to examine atomic structures without disassembling batteries, ultimately determining the interphase layer was the culprit.
Researchers at Case Western Reserve University have developed high-performance, low-cost zinc-sulfur batteries with enhanced energy capacity, improved conductivity and stability. These advancements address long-standing safety concerns and enable smaller, longer-lasting designs.
Researchers at Worcester Polytechnic Institute have discovered a new method to create high-performance alkaline batteries using iron and silicate. The process suppresses hydrogen gas generation, improving the energy efficiency of battery systems.
Researchers from Tokyo Metropolitan University developed a new electrochemical cell that converts bicarbonate solution into formate ions with high selectivity and efficiency. The cell boasts unrivalled performances rivaling energy-hungry gas-fed methods, promising to have a significant impact on climate change technology.
A new type of gel developed by MLU chemists improves the safety and service life of lithium-ion batteries. Initial lab studies show that it also enhances battery performance, remaining stable at over five volts.
A team of scientists and engineers designed an electrolyte that maintains high power delivery during charging and discharging cycles. This innovation addresses the key challenge of low power delivery at landing stages in electric aircraft, where batteries are not fully charged.
Researchers developed a technique to study electrochemical processes at the atomic level, revealing unexpected transformations in a popular copper catalyst. The technique, called polymer liquid cell (PLC), enables scientists to observe composition changes during reactions in real time.
Researchers at RIKEN have developed a new catalyst that reduces the amount of iridium required for hydrogen production, achieving 82% efficiency and sustaining production for over 4 months. The breakthrough could revolutionize ecologically friendly hydrogen production and pave the way for a carbon-neutral energy economy.
Researchers at RIKEN have improved the stability of a green hydrogen production process by using a custom-made catalyst, increasing its lifetime by almost 4,000 times. The breakthrough uses earth-abundant materials, making it more sustainable and potentially cost-effective for widespread industrial use.
The USTC team created a rechargeable, non-aqueous manganese metal battery with halogen-mediated electrolyte, achieving high Coulombic and Faraday efficiencies. The battery demonstrated stable cycling for over 700 hours and showed excellent multiplicity performance.
Researchers have deciphered the key pathways of the sulfur reduction reaction in lithium-sulfur batteries, identifying dominant molecular pathways and critical roles of electrocatalysis. This breakthrough could lead to improved battery performance, reduced costs, and increased energy storage capacity.
Researchers successfully improved lithium metal battery charging rates by adding a cesium nitrate compound, while maintaining long cycle life. The new findings challenge conventional beliefs about effective interphase components and contribute to the development of high-energy density batteries.
Researchers at Tokyo University of Science developed nanostructured hard carbon electrodes using inorganic zinc-based compounds, which deliver unprecedented performance and significantly increase the capacity of sodium- and potassium-ion batteries. The new electrodes improve energy density by 1.6 times compared to existing technologies.
Researchers at MIT and partners have discovered that variations in lithium ion flow rates are correlated with differences in carbon coating thickness, which could lead to improved battery efficiency. This technique allows for the extraction of insights from nanoscale data, offering potential applications beyond battery technology.
Researchers have developed an electrochemical cell that can easily capture and release CO2, a major contributor to industrial emissions. The device operates at room temperature and requires less energy than traditional methods, making it a promising alternative for industries that struggle with electrification.
Researchers from The University of Warwick and The University of Manchester have solved the long-standing puzzle of why graphene is permeable to protons. Protons are strongly accelerated around nanoscale wrinkles in perfect graphene crystals, which could lead to more sustainable hydrogen production.
Researchers at Worcester Polytechnic Institute discovered a new redox chemistry empowered by chloride ions for the development of seawater green batteries. This technology leverages abundant elements such as iron oxides and hydroxides, potentially repurposing iron rust waste materials for modern energy storage.
Researchers at Graz University of Technology are developing a sustainable electricity storage system using AI optimisation and vanillin as the storage medium. The project aims to create an environmentally friendly system with high efficiency and safety for industry and renewable energy applications.
Researchers developed a free-standing LiPON film that promotes uniformly dense lithium metal electrochemical deposition under zero external pressure, opening the door to lithium metal solid-state batteries. The new approach yields fresh insights into LiPON's properties and interfaces.