KAIST researchers developed a new electrochemical impedance spectroscopy (EIS) technology using small currents to diagnose electric vehicle batteries with high precision. This low-current EIS system minimizes thermal effects and safety issues during measurement, making it suitable for integration into vehicles.
A new method uses principal components-based feature generation and optimized Artificial Neural Networks (ANN) to estimate the State of Charge (SoC) in LiFePO4 batteries. This approach improves the accuracy and robustness of existing SoC estimation methods, enabling real-time implementation.
A new study predicts Turkey's battery electric vehicle (BEV) ownership growth using the Gompertz model, aiming to aid policymakers in preparing for a smooth transition. The predicted BEV market saturation is expected to occur approximately 15 years later than Internal Combustion Engine Vehicles.
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.
A new zone-regulated interfacial polymerization strategy creates acid- and alkali-resistant nanofiltration membranes with high separation selectivity for lithium recovery. The strategy improves membrane performance and manufacturing stability by controlling monomer diffusion behavior.
The system removes salt from water at a pace that closely follows changes in solar energy, maximizing the utility of solar power. It produces large quantities of clean water despite variations in sunlight throughout the day, making it an attractive solution for communities with limited access to seawater and grid power.
Researchers at Osaka Metropolitan University have developed a promising solid electrolyte for all-solid-state batteries, showing high conductivity and formability. The new electrolyte, Na2.25TaCl4.75O1.25, also exhibits superior mechanical properties and electrochemical stability.
Argonne researchers have developed a new design for a sodium-ion oxide cathode that overcomes the performance issue of repeated discharge and charge. The team found that fine-tuning the heat treatment conditions eliminated cracks in the particles, maintaining high energy storage capacity.
Researchers at Pohang University of Science & Technology developed a non-fluorinated battery system to comply with environmental regulations and enhance battery performance. The innovative 'APA-LC' system, entirely free of fluorinated compounds, shows improved oxidation stability and higher capacity retention.
Researchers at the Department of Energy's Lawrence Berkeley National Laboratory have developed a new process for creating manganese-based cathodes that can store and deliver energy efficiently. This breakthrough could lead to more sustainable and cost-effective lithium-ion batteries.
Researchers have created a new electrolyte that enhances the energy density and power density of intermediate-temperature K/Na/S batteries, enabling them to operate at lower temperatures while achieving maximum possible energy storage capacity. This breakthrough could provide a stable and reliable power supply from renewable sources.
Researchers have developed a lithium-sulfur battery with improved iron sulfide cathode, retaining capacity over 300 charge-discharge cycles. The battery also withstands physical stress, including folding or cutting, making it safer and more efficient.
Researchers developed cost-effective catalysts by incorporating chromium into transition metal hydroxides, demonstrating enhanced catalytic activity. The FeCoNiCr hydroxide catalyst showed a low overpotential of 224 mV in alkaline media, outperforming similar catalysts.
A novel deep learning model, DS-ViT-ESA, was developed to predict lithium battery lifespan with high accuracy using only a small amount of charging cycle data. The model achieved low prediction errors even when tested on unseen charging strategies, demonstrating its zero-shot generalization capability.
Researchers at Chalmers University of Technology have created a world-leading structural battery that can halve the weight of laptops and make mobile phones as thin as credit cards. The battery has increased its stiffness, allowing it to be used in vehicles, increasing their driving range by up to 70 percent on a single charge.
Researchers at Eindhoven University of Technology, in collaboration with MIT and PSI, developed a new method to visualize the inner workings of redox flow batteries using neutron imaging. The technique provides extraordinary moving images that help understand the battery's performance and durability.
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.
Charging lithium-ion batteries at high currents just before they leave the factory increases average lifespan by 50% and decreases initial charging time from 10 hours to 20 minutes. Researchers used machine learning to pinpoint changes in battery electrodes that account for this increase in performance.
Researchers developed novel naphthalene derivatives with air stability for aqueous organic flow batteries. These molecules achieved long-term stable cycling even under air-atmosphere conditions, demonstrating promising potential for sustainable energy storage.
Researchers have developed a lithium/manganese-based material that outperforms nickel-based layered materials in terms of energy density and fast-charging capabilities. The new material, nanostructured LiMnO2 with a monoclinic layered domain, boasts high-energy density of 820 Wh kg-1 and no reported voltage decay.
Researchers developed a model to accurately predict the cycle lives of high-energy-density lithium-metal batteries using machine learning methods. The technique is expected to improve safety and reliability in devices powered by these batteries.
The new battery can capture oxygen from air and use it to oxidize zinc, creating a current of up to 1 volt. It powers an actuator, memristor, clock circuit, and sensors, making it ideal for robotics and medical applications.
Scientists have expanded understanding of how electrons move through conductive fluids in batteries, revealing that controlling chemistry and microstructure is crucial. The research team created a universal roadmap for processing energy storage devices during manufacturing, enabling the design of better materials.
Scientists at Tohoku University create a novel technology to harness ambient low-power RF signals, enabling battery-free operation for electronic devices and sensors. The developed compact spin-rectifier technology converts faint ambient RF signals to DC power.
Xiao-Qing Yang, a physicist at Brookhaven National Laboratory, has spent his career studying and improving battery materials using advanced characterization tools. His work has led to a fundamental understanding of the relationship between structure and performance in battery systems.
A research team at Rice University has pioneered a new method to extract purified active materials from battery waste, enabling efficient separation and recycling of valuable battery materials. The technique uses solvent-free flash Joule heating to create unique features with magnetic shells and stable core structures.
A new framework enables efficient calculation of optimal solar panel and battery sizes for residential neighborhoods, making it feasible to achieve net-zero energy houses. The approach leverages linear programming transformations to overcome computational challenges, demonstrating that ZEH status does not significantly elevate costs.
Researchers at the University of Hong Kong have developed a new generation of lithium metal batteries with microcrack-free polymer electrolytes, promising extended lifespan and enhanced safety. The batteries maintained 92.7% capacity retention and averaged 99.867% coulombic efficiency over 450 cycles at 100°C.
A $1.5 million state grant is funding research into using fungal molecules in batteries, photovoltaics and electronic circuitry. The project, called NICER, aims to explore how these compounds can improve energy technologies, making them more sustainable and environmentally friendly.
Researchers at HKUST have developed a novel strategy to create solid-state electrolytes with high performance, achieving exceptional ionic conductivity and lithium-ion transport capability. The new electrolyte enabled the fabrication of a full cell demonstrating an initial discharge capacity of 141.5 mAh g−1 at room temperature.
Physicists at Trinity College Dublin developed a new theory describing the energy landscape of collections of quantum particles. This work addresses decades-old questions and may help scientists design materials revolutionizing green technologies.
Scientists have created a new type of battery that is soft and stretchable, making it suitable for wearables and medical implants. The 'jelly batteries' use hydrogels to deliver an electric current and can be stretched up to ten times their original length without losing conductivity.
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 used omics techniques to discover a novel electrolyte solution that increases cycle life for electric aircraft batteries by four-fold, outperforming conventional batteries. The new design aims to enable carbon-free air travel and expand the use of omics in battery research.
Scientists at Karlsruhe Institute of Technology have developed a new cathode material, NaNi0.9 Ti0.1 O2, which shows improved cycling stability and high theoretical specific capacity, positioning it as a potential candidate for high-energy-density sodium-ion batteries.
Researchers at HZB have developed a method to precisely monitor electrochemical reactions in solid-state batteries using photoelectron spectroscopy at BESSY II. The results show that decomposition products form at interfaces, hindering lithium ion transport and reducing battery capacity with each charge cycle.
The new COMET centre Battery4Life aims to enhance the safety, lifespan, and eco-friendliness of batteries. By leveraging artificial intelligence and state-of-the-art test facilities, researchers will develop methods for assessing used battery safety and exploring sustainable reuse options.
The University of Chicago's laboratory has developed the world's first anode-free sodium solid-state battery with stable cycling for hundreds of cycles, promising to be more environmentally friendly and affordable than traditional lithium-ion batteries. This innovation could help accelerate the transition to a low-carbon economy by pro...
A novel process for extracting metals from spent alkaline batteries has been developed, offering a promising solution for recycling critical materials. The technique achieves high extraction efficiencies of 99.6% for zinc and 86.1% for manganese, making it cheaper and more energy-efficient than existing methods.
A research team at KAIST has developed an AI-based methodology to predict the major elemental composition and charge-discharge state of NCM cathode materials with high accuracy using convolutional neural networks. The technology can analyze surface morphology images of batteries to determine their composition and lifespan.
Researchers at USTC developed a novel spiro-branched polymeric membrane with exceptional performance in flow battery applications, exceeding 60 mS cm-1 chloride ion conductivity. The membranes demonstrated superior power density and energy efficiency, potentially addressing various energy and environmental challenges.
Researchers developed a unique electrochemical ultrasonic force microscopy (EC-UFM) technique to observe sodium-ion battery interfaces during operation. The new method guides passivating layer formation, preserving charge carrier transport and enhancing battery performance.
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 propose a novel hydrogel electrolyte formula that effectively interrupts water clusters and enhances water covalency, resulting in an expanded voltage stability window. The design improves the battery's climate adaptability by regulating Zn solvation and interfacial adhesion.
Researchers at Stanford University have made significant advancements in the development of a 'liquid battery' technology that uses LOHCs to store and release energy. The team discovered a novel, selective catalytic system that allows for the efficient storage of electrical energy in liquid fuels without generating gaseous hydrogen.
Researchers developed a novel air-handleable garnet-type solid electrolyte technology that improves surface and internal properties, preventing contamination layer formation. This innovation enables the creation of ultra-thin lithium solid-state batteries with high energy density and low weight.
Researchers have developed cutting-edge techniques for optimizing battery design, manufacturing processes, and recycling methods to enhance energy density, performance, and safety. Machine learning techniques are also highlighted for early fault detection and prevention of thermal runaway in real-time.
Researchers from the University of Cambridge developed a low-cost and energy-efficient method to make materials that can capture carbon dioxide directly from the air. The charged charcoal sponge uses reversible bonds with hydroxides to capture CO2, requiring lower temperatures and renewable electricity for regeneration.
Researchers have developed a new class of fluorinated block copolymers as solid electrolytes for solid-state ZnI2 batteries, promoting stable fluoride-rich SEI layer and preventing zinc dendrite growth. The battery demonstrates excellent cycle performance, maintaining stability for approximately 5000 hours at room temperature.
Researchers from Pohang University of Science & Technology have developed a high-energy, high-efficiency all-solid-state sodium-air battery that can reversibly utilize sodium and air without additional equipment. The breakthrough overcomes the challenge of carbonate formation, increasing energy density and reducing voltage gap.
Researchers developed polymeric protective films to improve anode interface stability in sulfide-based all-solid-state batteries. The films, made from various polymers, showed improved interfacial stability and high-capacity retention rates after multiple cycles.
Researchers have created a new polyfumaric acid binder to improve the performance of hard-carbon electrodes in sodium-ion batteries. The new binder shows improved Na ion diffusion, long-cycle stability, and enhanced durability.
Researchers at Pohang University of Science & Technology developed a hybrid porous structure using polyvinyl alcohol, enabling uniform lithium electrodeposition. The new design facilitated the transport of lithium ions, reducing 'dead Li' areas and internal short circuits, resulting in high stability after 200 charge-discharge cycles.
Columbia Engineers employ nuclear magnetic resonance spectroscopy to examine lithium metal batteries. Their findings may help design new electrolytes and anode surfaces for high-performance batteries, addressing the challenges of commercializing lithium metal batteries.
DGIST researchers successfully develop dual-site radioactive isotope dye-sensitized betavoltaic cells with high efficiency and stability. The new battery technology generates power without recharging and has a semi-permanent lifespan.
Dr. Hemali Rathnayake has developed a cost-effective and efficient lithium refining process for converting lithium into battery-grade lithium carbonate. The grant funding will support her ongoing research to boost North Carolina's sustainable domestic supply chain for lithium-based products.
Researchers at Oak Ridge National Laboratory have developed carbon-capture batteries that can store renewable energy and capture airborne CO2. The new battery formulations can maintain capacity for up to 600 hours and convert CO2 into a solid form with the potential to be used in other products.
A team of researchers used state-of-the-art imaging techniques to study lithium-ion battery cells. They identified macroscopic deformations in the copper current collector due to local accumulations of silicon during electrode manufacturing. The defects compromise cell structure and functioning when agglomerates exceed 50 microns in size.
Researchers at Linköping University have developed a battery based on zinc and lignin that can be used over 8000 times, retaining its charge for approximately one week. The battery is stable and easily recyclable, making it a promising alternative to lithium-ion batteries.
The team developed a deep learning AI technique to quantitatively analyze cation mixing using atomic structure images. This approach revealed that introducing metal dopants like aluminum, titanium, and zirconium into the transition metal layer fortified bonds between nickel and oxygen atoms, curbing cation mixing.