Articles tagged with Batteries
Researchers develop Sb/Nb co-doped TiNb2O7 anode for fast-charging lithium-ion batteries, achieving 140 mAh g^-1 at 20 C and 500 stable cycles at -30 °C. The material enables practical pouch cells with high capacity retention after extensive cycling.
Researchers have developed a PPy@N-TiO2 Z-scheme heterojunction photoelectrode that harvests sunlight to co-drive sulfur redox, delivering high performance and scalability. The innovation enables efficient lithium-sulfur batteries with potential applications in solar-assisted EV packs and stratospheric drones.
Researchers developed a kinetic activation strategy to regulate in-plane transition-metal ion migration and trigger controlled local structural rearrangements. This approach enabled reversible lithium storage beyond the long-standing 1.1 stoichiometric limit, reaching 348 mAh g⁻¹.
Researchers found that combining LiDFOB and LiPF₆ in a dual-salt electrolyte regulates electrode interfaces, forming a double-layer cathode electrolyte interphase and a LiF-rich solid electrolyte interphase. This design lowers interfacial impedance, promotes uniform Li deposition, and enhances durability under cycling.
Researchers developed a methylurea-assisted electrolyte that forms a robust solid electrolyte interphase directly on the zinc surface, dramatically improving zinc reversibility. This engineered SEI enables long-life anode-free zinc batteries with unprecedented cycling life and exceptional durability.
Researchers developed a 3D electrical imaging technique to study defect passivation in perovskite films. The study found that bulk and surface passivation strategies improved charge transport, with filmstreated with both showing the most uniform conductive pathways.
A large-area uniform three-dimensional covalent organic framework membrane is fabricated to stabilize Li-metal electrodes via solvation cages. The membrane features non-interpenetrating topology, promoting rapid ion transport and stabilizing the lithium metal anode.
A breakthrough in carbon-based battery materials has improved safety and performance by re designing fullerene molecule connections. This research provides a blueprint for designing next-generation battery materials that support safer fast-charging, higher energy density, and longer lifetimes.
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 developed a novel bromine-based two-electron transfer reaction system to improve zinc-bromine flow batteries. The new system achieves high energy density and long lifespan with ultra-low bromine concentration, reducing electrolyte corrosivity.
Researchers at Brown University have identified a simple method to combat lithium dendrites, which cause circuits between the battery's anode and cathode, destroying the battery. By applying thermal compression using temperature differences on either side of an electrolyte, they can significantly suppress dendrite formation.
Researchers found that sodium-ion batteries using hard carbon negative electrodes can reach faster charging rates than lithium-ion batteries, thanks to the pore-filling mechanism. This process is limited by the efficiency of ion aggregation within the electrode's nanopores, which requires less energy for sodium insertion.
Scientists used a valence engineering strategy to modify NaNi <sub> 1/3 </sub> Fe <sub> 1/3 </sub> Mn <sub> 1/3 </sub> O <sub> 2</sub> material, resulting in batteries that last longer and work well in wide temperature ranges
A UCL–SCUT–Imperial team uses high-energy synchrotron X-ray radiography to examine AZMBs, finding that densely packed cells have better anode behavior than textbooks suggest. The imaging platform will be used to screen new chemistries and directly visualize where damage occurs.
Researchers have proposed a new approach to boost sulfur use in solid-state batteries using tandem catalysis. This method achieves stepwise S8 reduction to Li2S via intermediate Li2S2, significantly reducing conversion energy barriers and exploiting deep sulfur conversion capacity.
Researchers have developed a novel cathode material that achieves high energy density and long cycle life in rechargeable aluminum-ion batteries. The sulfur-heterocyclic polymer cathode outperforms traditional graphite cathodes, demonstrating exceptional durability and low-temperature stability.
Researchers at Edith Cowan University are using artificial intelligence (AI) to solve a major roadblock in solid-state battery technology. By leveraging machine learning models, they can predict how materials will behave and identify better interface designs.
A new electrolyte design, LiPF₆–PC–TFMB, offers exceptional stability in high-voltage lithium-ion batteries, maintaining 78.8% capacity over 600 cycles and significantly reducing heat release and oxygen evolution. The TFMB-based electrolyte improves cathode interfaces and mitigates safety hazards.
The Battery Large Model system revolutionizes battery design, manufacturing, operation, and recycling through AI-simulation synergy. It provides a novel technological path for the industry's intelligent upgrade, enabling autonomous design scheme generation, accurate performance prediction, and intelligent defect detection.
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 visualize how silicon anodes form shell-like voids around their surfaces during charging, but find that parts of the solid electrolyte remain attached to the Si, maintaining partial ionic contact. This allows the battery to continue operating efficiently despite significant structural changes.
Researchers developed a three-dimensional carboxyl-carbon-nanotube-wrapped polyaniline catalyst that enables direct I⁰/I⁻ redox and delivers 420 mAh g–1 with ultra-long lifespan over 40,000 cycles.
Researchers at Tohoku University have demonstrated a water-resistant and recyclable redox-active metal-organic framework (RAMOF) that can store electrons in acidic aqueous solutions. The breakthrough material shows high durability in an aqueous RAMOF-based rechargeable battery.
A new virtual battery model and charger sharing concept improve local energy markets for efficient distribution network operation. This approach enhances grid stability, reduces investment costs, and supports the shift away from fossil fuels.
Researchers developed soft robots inspired by manta rays, utilizing magnetic fields to move, recharge power supply, and perform tasks autonomously. The magnets stabilize electrochemical reactions in flexible batteries, enhancing performance and efficiency.
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.
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.
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.
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 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.
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 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 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.
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.
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 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.
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.
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.
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.
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.
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.
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.