Articles tagged with Batteries
A team of UTEP researchers has created a printable gel polymer electrolyte that can be 3D-printed in any shape. The material performed similarly to conventional electrolytes and showed optimal performance at a specific recipe ratio, paving the way for flexible battery design.
University of Michigan researchers developed a framework to help stakeholders consider economic, environmental, and social trade-offs in EV battery development. The framework aims to balance the needs of various stakeholders, including manufacturers, drivers, and recyclers, to achieve better outcomes for batteries and electric vehicles.
Researchers have made significant progress in vanadium flow battery technology, overcoming challenges such as limited stack power density, electrolyte stability issues and high material costs. The team has improved the techno-economic performance and engineering readiness of VFB systems through integrated innovation and collaboration w...
Researchers from the Dalian Institute of Chemical Physics have discovered the molecular mechanism behind V(II) precipitation in vanadium electrolytes. By introducing acetonitrile and HCl as co-additives, they created a dual-site solvation engineering strategy that boosts electrolyte stability at low temperatures.
A research team has successfully designed a novel electrolyte for fluoride shuttle batteries, which boasts high electrochemical stability and reversibility. The KBF4-containing electrolyte effectively regulates the fluorination reaction, enabling reversible electrode reactions.
Researchers develop a breakthrough electrolyte system using anion-diluent decoupled solvation chemistry, achieving improved battery life, safety, and voltage tolerance. The new electrolyte design enables compact contact ion pairs, delivering intrinsically higher oxidation stability and faster Li+ desolvation kinetics.
The P/Ce-NC catalyst accelerates Li+ desolvation, unlocking rapid sulfur redox kinetics and unprecedented cycling stability. The dual electronic modulation mechanism enhances interaction between Ce and solvent molecules, weakening the Li+-solvent coordination and reducing the desolvation energy barrier.
A new strategy enhances oxygen reduction in zinc-air batteries by fine-tuning an efficient catalyst. The Fe2O3/Sm2O3 heterointerface accelerates ORR kinetics by inducing charge redistribution and orbital hybridization.
Researchers developed a liquid material that charges like a battery, transforms like a living organism, and resets itself in open air. The material stores power for months and can be recharged, making it useful for adaptive clean renewable systems.
Cassie Duclos, a chemical engineering graduate student at Texas A&M University, has received the National Science Foundation (NSF) Graduate Research Fellowship. Her project focuses on redox-active polymers and dopants for improved battery performance, aligning with her passion for sustainable energy technologies.
A research team from the Dalian Institute of Chemical Physics developed a free-standing ultrathin porous polymeric membrane that offers high selectivity and conductivity. The membrane was tested in a vanadium flow battery and achieved outstanding electrochemical performance, exceeding 80% energy efficiency.
Researchers developed a multifunctional protective layer to overcome limitations of high-capacity, lithium-rich Mn-based oxide (LRMO) materials. The new cathode achieves exceptional fast-charging capability, long-term cycling stability, and high energy density with minimal Sc consumption.
A new adaptive charging strategy for lithium-ion batteries reduces battery degradation and improves efficiency. The strategy uses real-time monitoring and adjusts charging currents to prevent lithium plating, resulting in improved charge capacity utilisation and charging efficiency.
Researchers develop a new material design to overcome kinetic and stability issues in sodium-sulfur batteries, enabling fast-charging capabilities. The innovative pisiform homojunction creates a p-n interface that accelerates polysulfide conversion and stabilizes battery performance.
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.
The team developed the world's first gas-solid hydride ion prototype battery (g-HIB), which uses hydrogen gas and a metal as electrodes. The battery can store hydrogen under ambient temperature and pressure through an innovative mechanism, offering high efficiency and practicality.
A team from UChicago PME used AI to generate entire chemical formulations for battery electrolytes, balancing complicated tradeoffs and interactions. The research was published in JACS Au and explores a vast chemical space, generating novel candidates satisfying desired properties simultaneously.
Researchers have overcome key safety and durability barriers in sodium-ion batteries by using a simple additive of graphitic carbon nitride. The additive promotes flexible, disordered zones where sodium ions move more freely and reduces polarisation, improving battery efficiency and stability. This breakthrough opens a scalable pathway...
Researchers have developed a dual-functional interface that combines zincophilicity and hydrophobicity to stabilize the zinc metal anode in aqueous zinc-ion batteries. This design allows for dendrite-free batteries with improved safety and cycle life, making it a promising candidate for the next generation of energy storage technologies.
Researchers at Tohoku University developed a new magnesium alloy anode that balances interfacial reactions for improved battery efficiency. The optimized Mg-Sn alloy demonstrated significant improvements in electrochemical performance, including stable cycling behavior and enhanced ion transport.
Researchers have developed a new passivation strategy to improve the efficiency and operational stability of perovskite/silicon tandem solar cells. The method uses polystyrene nanospheres as a template to deposit an insulating layer, suppressing electrical leakage and achieving high power conversion efficiencies.
A Princeton study projects persistent shortfalls in critical EV battery materials if domestic production expansion, demand-side strategies, and international sourcing are not aligned. Domestic expansion can meet projected demand for some key materials, but significant uncertainties remain.
Researchers developed a dual-functional coating composed of palladium nanoparticles on a graphitic carbon nitride matrix, which blocks water-induced corrosion and regulates zinc deposition at the atomic level. This 'hydrophobic-zincophilic' design provides a generalizable strategy for high-performance, long-lasting zinc-ion batteries.
Researchers at Chalmers University of Technology developed an AI method that adapts fast charging to the health of the battery, increasing its lifespan by almost 23%. The new strategy uses reinforcement learning and takes into account the battery's chemistry and state of health.
Researchers challenged thermodynamic-based framework for catalyst design and proposed new principle focusing on declining efficiency of solid-phase electron transport. They designed homonuclear cobalt-cobalt dual-atom catalyst DA-CoCo, significantly enhancing charge transport in solid intermediates, validating the new design principle.
Researchers developed a microfluidic spray drying technology to rapidly synthesize high-phase-purity HE-NVPF cathode materials. The new method allows for efficient and scalable energy storage solutions with superior performance.
Researchers explore the potential of black phosphorus for high-capacity alkali metal-ion batteries, overcoming stability and interfacial challenges through engineered architectures. Scalable synthesis, composite engineering, and interfacial regulation hold key to practical deployment.
The collaboration solves a main challenge in ocular wearables by integrating ultra-thin, durable, and stable energy storage. XPANCEO develops smart contact lenses with AR and health monitoring capabilities, while ITEN provides high-power-density solid-state batteries.
A research team at SKKU has developed specialized 'One-body' materials for dry processes, maximizing battery performance and productivity. The breakthrough technology eliminates toxic liquid solvents, reducing costs and environmental impact.
The review maps the most promising routes for recycling spent LiFePO4 batteries, focusing on pretreatment, impurity control, direct regeneration, hydrometallurgy, and selective auxiliary processes. It highlights hydrometallurgy as a promising strategy for large-scale recovery needs.
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 propose an electron-bridge interface using n-type Zn-Al layered double hydroxide (AZH) to address interface failure in zinc anodes. This design enables simultaneous deposition of zinc at the interface and surface, enhancing the anode's adaptability to volume changes.
Researchers analyzed battery development in electric vehicles over 15 years, finding that market innovation can quickly address material shortages and price increases. The study suggests individual materials may not be as critical to the energy transition as previously thought.
A new cobalt-based dual-atom catalyst significantly enhances oxygen reduction reaction performance while avoiding precious metals. The catalyst achieves remarkable catalytic activity and retains durability, enabling outstanding energy performance in zinc-air batteries.
A new class of electrolytes has been developed that overcomes the bottleneck of water activity in traditional aqueous batteries. The electrolytes work with commonly used zinc salts and achieve exceptional electrochemical performance, including a wide stability window and ultra-long cycling life.
The São Paulo School of Advanced Science on Electrochemistry aims to strengthen proficiency in advanced techniques for next-gen batteries, catalytic interfaces & sensors. Participants will engage with renowned researchers & benefit from computational tools & instrumentation.
Recent progress in advanced energy manufacturing highlights 3D printing's potential to redefine next-generation lithium batteries. The technology enables precise control over three-dimensional structures, improving ion-transport pathways and mechanical robustness.
Researchers have developed an electrochemical impedance spectroscopy (EIS) identification algorithm to reconstruct EIS at low frequencies using short-duration sine-wave current pulses. The approach enables accurate state-of-charge estimation for LiFePO4 batteries, which is essential for battery management systems.
A new study investigates sulfide-based and oxide-based solid electrolyte systems for next-generation lithium-ion solid-state batteries. The researchers found that the oxide-based hybrid approach offered notable advantages in performance, with improved lifespan and capacity retention compared to all-solid-state sulfide cells.
Researchers developed a rapid battery-capacity estimation method using early voltage response during the first discharge cycle. The approach extracts electrochemical signatures related to battery condition and enhances features to improve prediction accuracy, reducing testing time by over 80%.
Researchers propose a Fourier graph neural network to estimate lithium-ion battery state of health, capturing spatial and temporal feature relationships. The model achieves significant reductions in error compared to existing methods, suggesting improved accuracy and transferability.
Researchers propose an efficient feature search approach for estimating lithium-ion battery state of health, reducing reliance on manually selected aging features. The method combines Bayesian optimization and ensemble regression to improve accuracy and robustness.
Researchers proposed a model-based diagnostic framework for electric vertical take-off and landing aircraft battery systems, improving fault detection and isolation under demanding aviation conditions. The approach achieves high detection rates, even in concurrent-fault scenarios, making it suitable for certifying eVTOL systems.
Researchers developed a novel polyphenol-gated composite electrolyte that overcomes limitations in interfacial Li⁺ transport and achieves an exceptional Li⁺ transference number of 0.68. The material enables fast, selective Li⁺ transport while immobilizing anions through hydrogen bonding.
Battery performance is critical to electrified transportation and green energy systems. Real-world diagnostics are challenging due to complex environments and varying data quality. The review emphasizes the need for adaptive models and AI integration to improve battery status prediction.
A new planning framework proposes integrating bidirectional electric vehicle battery networks into sustainable communities, evaluating how EVs can support local energy systems. The framework models EVs as active participants in the neighborhood energy system, simulating grid interaction and energy exchange characteristics.
A novel active equalization scheme uses path planning to address cell inconsistency in battery packs, improving equalization speed, accuracy, and robustness. The approach combines flexible topology with graph-based energy-transfer modeling and adaptive battery grouping to reduce energy loss and improve overall pack performance.
The integrated framework combines incremental capacity analysis with image feature transformation and a hybrid machine-learning pipeline to improve SOH estimation accuracy. It achieves an RMSE of 1.76% on the NASA dataset and shows robustness when operating conditions shift, suggesting better generalization across different datasets.
Researchers developed a three-dimensional electro-thermo-mechanical model to quantify the swelling force generated by lithium-ion batteries during charging. The model accurately identifies and quantifies swelling force, offering a new tool for improving battery safety.
Researchers have developed a multi-fidelity framework combining coupled degradation mechanisms with machine learning to predict battery lifespan. The framework addresses the challenge of making reliable forecasts before long-term aging data are available, enabling safer operation and better-informed decision-making.
Researchers developed a two-step diagnostic strategy to detect subtle abnormal behavior in lithium-ion batteries. The method combines Hellinger distance with an Inverse Markov Method to identify micro short circuits that can lead to serious safety failures and thermal runaway.
Researchers have developed a room-temperature method to separate battery electrode materials from aluminum foil, preserving valuable cathode materials. The process produces clean hydrogen as a byproduct and can be repeated multiple times with high efficiency.
The study uses adaptive machine learning force fields to track sodium metal-electrolyte reactions, achieving a 71% speedup over ab initio molecular dynamics while retaining comparable accuracy. The approach identifies key components of the solid electrolyte interphase, including Na2O and NaOH, which influence its stability.
A comprehensive framework optimizes electrolyte and interface designs to boost efficiency and stability in neutral zinc-air batteries. The multiscale approach addresses key performance issues, including oxygen reaction kinetics and electrode instability.