Articles tagged with Batteries
A joint research team from NIMS and Toyo Tanso has developed a carbon electrode that achieves higher output, longer life and scalability for practical lithium-air batteries. The electrode's hierarchically controlled porous structure results in high-output operation and improved durability.
Researchers have developed low-temperature electrolytes that keep lithium-ion batteries charging and discharging at -80°C. These electrolytes offer improved energy efficiency, ionic conductivity, and reliability for extreme-weather applications.
Researchers at Brown University have identified the optimal pore structure for hard carbon anodes in sodium-ion batteries, which can enhance stability and energy density. The findings provide concrete design specifications for making hard carbon anodes and pave the way for future commercial use of sodium-ion batteries.
A new fabrication method has been developed to create wafer-scale energy storage capacitors with astonishing heating and cooling rates of up to 1,000 °C per second. This 'flash annealing' technique enables the synthesis of high-performance relaxor antiferroelectric films on silicon wafers in just one second.
A new recycling process recovers nearly all valuable materials from used batteries with high purity, requiring less energy, chemicals, and costs compared to existing methods. The two-step flash Joule heating method separates lithium and transition metals quickly and cleanly.
Researchers developed an anionically-reinforced nanocellulose separator to tackle zinc dendrite growth and polyiodide shuttle effects in Zn-I2 batteries. The new separator enables long-cycle stability, addressing major barriers to safe and sustainable energy storage.
Researchers develop a game-changing magnetic analysis method to authenticate lithium-ion batteries onboard vehicles, ensuring safety and reliability. The breakthrough enables instant detection of counterfeit or low-quality batteries without invasive checks.
A new gradient anode design addresses key challenges in sodium batteries, achieving high-energy-density and stable performance. The symmetric cell demonstrates ultralong cycle life and unprecedented energy density of 200 Wh kg-1.
A new alloy design strategy for metal alloy negative electrodes has improved the performance and durability of next-generation solid-state batteries. The design enhances lithium ion movement, leading to faster charge-discharge rates and longer battery lifespan.
Rice University researchers outline emerging solutions to make graphite production cleaner and more resilient, including synthetic graphite from renewable sources. The study emphasizes the critical role of graphite in energy storage technologies and the need for sustainable supply chain management.
Researchers developed a novel electrocatalyst with double heterojunctions that enhance oxygen reduction and oxidation reactions, improving lithium-oxygen battery performance and stability. The discovery paves the way for scalable and efficient high-performance lithium–oxygen batteries.
The team's novel findings use metal-organic framework-derived hierarchical porous carbon nanofibers with low-coordinated cobalt single-atom catalysts to enhance redox kinetics and suppress dissolution of lithium polysulfides. This synergistic design enables high-capacity retention and superior rate performance over hundreds of cycles.
A glassy metal-organic framework coating accelerates ion desolvation, stripping solvent molecules from lithium ions, while a second layer enables rapid transport into the graphite bulk. This synergistic design results in unprecedented fast-charging performance, with batteries maintaining high capacity and stability.
Researchers have introduced a new strategy to engineer composite polymer electrolytes for solid-state lithium-metal batteries. The innovative approach uses charged halloysite nanotubes as interfacial architects, delivering super-tough, highly conductive, and dendrite-suppressing electrolytes.
Researchers at Texas A&M University have developed a new heat-resistant material made entirely of metals, creating a gel-like substance that can withstand extreme temperatures. This breakthrough could revolutionize energy storage and enable the use of liquid metal batteries in mobile applications.
Researchers unveil a paradigm shift in rechargeable Na-Cl2 battery systems by transforming conventional anode-protective additives into efficient cathode catalysts. The discovery reveals a hidden chemistry behind record-breaking performance and cycle life.
Researchers developed an effective strategy to remove hemicellulose from crude alkaline lignin, resulting in hard carbon anodes with improved structural properties and enhanced sodium storage capabilities. The purified lignin-based hard carbon achieved high reversible capacity and initial Coulombic efficiency.
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.
Engineers develop a self-forming protective layer to prevent dendrite growth and parasitic reactions, enabling unprecedented performance and resilience. The bi-directional regulation system maintains stability across wide temperatures, paving the way for practical grid-scale applications.
Researchers have introduced chiral cobalt oxide nanosheets that induce spin selectivity to suppress singlet oxygen generation in lithium-oxygen batteries, leading to unprecedented stability. This innovative design paradigm merges spintronics with electrochemistry to control reactive oxygen species and enable high-energy, long-life batt...
Researchers at Yonsei University have developed a groundbreaking fluoride-based solid electrolyte that enables all-solid-state batteries to operate beyond 5 volts safely. The innovation allows spinel cathodes to operate efficiently and retain over 75% capacity after 500 cycles.
A new AI model has successfully identified four battery electrolytes that rival state-of-the-art electrolytes in performance, starting with a minimal dataset of 58 data points. The team used an active learning approach, incorporating experiments as outputs to refine the model's predictions and verify the findings.
Solid polymer electrolytes offer a safer alternative to traditional liquid electrolytes, with intrinsic adhesion to electrodes and low interfacial resistance. The authors propose multi-pronged innovations to improve contact, reduce polarization, and prevent dendrites.
Researchers at South China University of Technology develop a method to solve unstable anode:electrolyte interfaces using digital light processing (DLP) 3D printing. The resulting batteries retain over 91% capacity after 8,000 cycles and achieve stable cycling over 2,000 hours.
Researchers at Purdue University have developed an optical technique to observe individual particles in a battery charging, enabling the analysis of heterogeneity in composite electrodes. This breakthrough allows for the creation of better batteries by understanding the distribution of charge within the electrode.
The project aims to improve integration of renewable energies and batteries in the power grid using advanced control strategies. The researchers have developed predictive models and deep reinforcement learning techniques to optimize participation of grid-connected storage systems.
Researchers develop Te-modulated Fe single-atom catalyst to overcome polysulfide shuttle effect and sluggish redox kinetics in Li-S batteries. The catalyst significantly improves both rate performance and cycling stability, making it a promising solution for high-energy, low-cost energy storage.
Researchers at Stanford University have developed a new observation method that improves the outlook for lithium metal batteries without introducing chemical reactions. The technique, called cryo-XPS, allows scientists to study the critical protective layer of lithium anodes without altering it.
The researchers developed a novel facet-guided metal plating strategy using Zn as the host metal, which promotes uniform metal growth and suppresses dendrite formation. The strategy improved battery stability, retaining 87.58% of its initial capacity over 900 cycles.
Scientists at the University of Surrey have discovered a simple way to boost sodium-ion battery performance by leaving water in key component. The new material, nanostructured sodium vanadate hydrate, showed significant improvements in charge storage, charging speed, and stability, even in saltwater.
A Tohoku University research team synthesized a high-purity graphene mesosponge that serves as a stable scaffold for loading polymorphic ruthenium catalysts. The study clearly distinguished between carbon cathode degradation and electrolyte decomposition, revealing the 'weakest link' in Li-O2 batteries.
Researchers developed a machine learning-driven design for a high-energy NASICON cathode that surpasses previous materials in terms of specific capacity, average operating voltage, and rate capability. The new cathode addresses sustainability concerns by replacing toxic vanadium with more environmentally friendly elements.
A new AI-based method optimizes the operation of solar power generation and battery storage systems, reducing imbalance penalties by approximately 47% compared to conventional control methods. The method maintains stable profits throughout the four seasons and can handle real-world uncertainties such as sudden weather changes and compl...
Researchers have devised a battery powered by vitamin B2 (riboflavin) and glucose, generating an electrochemical flow from the energy stored in the sugar. The system offers a promising pathway toward safer and more affordable residential energy storage using non-toxic components.
A team of researchers from Tokyo University of Science has discovered a new approach to enhance air and water stability in sodium-ion batteries by doping with calcium ions. The study shows that Ca-doped NFM exhibits high stability, improved rate of performance, and high discharge capacity.
Researchers have developed a breakthrough anode material for sodium-ion batteries that delivers exceptional performance from -35°C to 65°C. This innovation harnesses quantum-size effects to enable durable, high-energy batteries suitable for aerospace, electric vehicles, and grid systems.
Researchers develop nanostructured anatase TiO2 cathode exposing reactive (001) facet, doubling capacity and setting a new benchmark for Mg2+ storage performance. This design principle unlocks multivalent-ion storage, propelling magnesium batteries toward market readiness.
Researchers at Drexel University have developed MXene current collectors that can improve the capacity of lithium-ion batteries while reducing their size and weight. The new components are also recyclable, which could help reduce battery waste and conserve limited material resources.
The UJI is leading a project to develop advanced solid electrolytes for lithium and sodium metal batteries using additive manufacturing techniques. This will allow the ceramics industry to explore new avenues for diversification and promote knowledge transfer to the emerging regional energy storage industry.
Researchers from Tohoku University have compared hot pressing and spark plasma sintering (SPS) in processing garnet-type oxide Li₇La₃Zr₂O₁₂ for solid-state lithium metal batteries. Both methods achieve nearly full densification and comparable ionic conductivity, challenging the long-held assumption that SPS is inherently superior.
Research suggests that the US can mine sufficient graphite to produce batteries for electric vehicles and stationary storage, but economic factors make it challenging. The country's supply of natural graphite exceeds demand projections, while synthetic graphite demand is expected to outpace supply.
Researchers at Tohoku University developed a rechargeable magnesium battery prototype that can operate stably at room temperature, thanks to a newly designed amorphous oxide cathode. The breakthrough enables fast and reversible Mg-ion diffusion, allowing for efficient energy storage and reducing dependence on limited lithium resources.
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.
MIT researchers have developed a new model that explains lithium intercalation rates in lithium-ion batteries. The model suggests that lithium intercalation is governed by coupled ion-electron transfer, which could enable faster charging and more controlled reactions.
Researchers at the University of Illinois Grainger College of Engineering have developed a single-step battery cathode recycling process that simultaneously extracts metals from old cathodes and creates new ones. The method outperforms existing techniques in terms of economic efficiency, environmental impact, resource usage, and human ...
Researchers have developed a groundbreaking approach to modifying the interfacial chemistry of hard carbon anodes, improving their sodium storage capacity and rate performance. This breakthrough could unlock the full potential of sodium-ion batteries, making them viable options for large-scale energy storage and electric vehicles.
Researchers have developed a new method to boost energy transfer in magnesium batteries using amorphous materials. The approach uses machine learning to simulate the behavior of ions within these materials, leading to significant improvements in rate of energy transfer.
Researchers have developed a CoWO4/WO2 heterojunction catalyst that leverages intercalation-mediated catalysis to accelerate polysulfide conversion and suppress the shuttle effect, enabling long-life lithium-sulfur batteries.
Researchers have developed a scalable and sustainable composite protective layer using chitosan and carbon nanotubes to prevent deadly dendrites in zinc batteries. The new material enables up to 3,000 hours of stable cycling and pushes energy efficiency over 99%.
Researchers have discovered that closed pores in hard carbon anodes can significantly increase the energy density and initial Coulombic efficiency of sodium-ion batteries. This breakthrough provides a new design paradigm for hard carbon anodes, enabling the creation of next-generation SIBs with higher energy, longer life, and lower cost.
Researchers developed four stabilization strategies to improve zinc anode stability in AZIBs, including artificial SEI layers, electrolyte modification, bioinspired designs, and structural optimization. These approaches enhance cycle life, Coulombic efficiency, and overall performance of AZIBs.
Researchers developed a scandium doping technique that improves the stability and cycle life of sodium-ion battery cathodes. The study found that Sc doping modulates the structure, preserving cooperative Jahn-Teller distortion and superstructure, and prevents side reactions with liquid electrolytes.
Researchers develop flexible batteries with internal voltage regulation using liquid metal microfluidic perfusion and plasma-based reversible bonding techniques. This technology addresses limitations of traditional rigid batteries.
Researchers have developed a new technique to create all-solid-state sodium batteries that retain performance down to subzero temperatures. The breakthrough uses metastable sodium hydridoborate, which has high ionic conductivity, allowing for thick cathodes and improved energy density.
Researchers from Dalian Institute of Chemical Physics have created the first rechargeable hydride ion battery with fast conductivity at room temperature and high stability. The novel core-shell composite electrolyte enables efficient energy storage and conversion.
Researchers predict EU will need to meet 250 TWh annually for local battery cell production by 2050, offsetting 90 TWh of upstream fossil fuel energy. Maximizing recycling rates could reduce import dependency and future energy demand.
Researchers at Pohang University of Science & Technology have successfully synthesized Prussian Blue with an octahedral morphology by using a specialized solvent. The new crystal shape enhances electrochemical reactivity and stable performance in sodium-ion hybrid capacitors.
Researchers developed a novel zwitterionic electrolyte additive using anionic group design to eliminate hydrogen evolution reactions and zinc dendrite growth. MPC emerged as the most effective additive due to its dual functionality, offering promising solutions for ultra-stable and long-life aqueous zinc-ion batteries.
University of Oklahoma mechanical engineering professor Dong Zhang is leading efforts to advance EV battery technologies, exploring advances in battery mechanisms and chemistries. His NSF-funded work aims to develop physics-based models to predict the performance of battery cells with silicon-graphite composite material.
A novel 'heteroatoms synergistic anchoring vacancies' strategy has been introduced to create phosphorus-doped CoSe2 with rich selenium vacancies, resolving the long-standing 'activity-stability trade-off' of catalysts. This innovation enables Li-S batteries with exceptional performance and brings commercialization closer.