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.
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.
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.
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.
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.
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.
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.
Researchers have developed a novel doping approach inspired by the Maillard reaction, enhancing interphase chemistry and addressing multiple performance bottlenecks. The resulting hard carbon anode exhibits impressive reversible capacity and cycling stability, demonstrating strong potential for commercial applications.
Researchers have discovered that lithium dendrites in batteries are unexpectedly strong and brittle, causing short circuits and safety risks. The findings suggest that future battery design must change to improve safety and reliability of high-energy storage systems.
A new method developed by researchers at the University of Cambridge uses solar-powered acid photoreforming to break down hard-to-recycle plastics into clean hydrogen fuel and valuable industrial chemicals. This approach could create a circular system where one waste stream solves another, reducing plastic waste and pollution.
Chinese researchers developed an integrated oxygen redox and solid solution design to achieve high voltage stability for practical sodium ion battery cathodes. The innovative FMT material shows superior cycling stability, rate capability, and air stability, overcoming key bottlenecks hindering high-voltage O3-type layered oxides.
A team of researchers has developed rechargeable batteries using biomass-based materials, including sunflower seed shells, as an alternative to lithium-ion batteries. The batteries achieved competitive results with low environmental impact and can store sufficient energy.
Researchers developed a novel lithium-ion battery anode that stores more than 3500 milliampere-hours per gram, outperforming current graphite-based batteries. The new design, VISiCNT, features a vertically integrated silicon-carbon nanotube structure that maintains performance and stability over hundreds of charge cycles.
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.
Researchers discovered that faster dendrite growth is associated with lower stress levels in a commonly used battery electrolyte material, revealing chemical reactions as a new culprit behind the problem. The study provides guidance for designing stronger electrolytes to make solid-state batteries successful.
Researchers at Rice University have developed a new method to recover nearly all critical minerals from spent lithium-ion batteries, including metals like lithium and graphite. The process uses microwave-induced plasma treatment with room-temperature solvents, resulting in high recovery rates and minimal environmental impact.
Scientists developed a process to transform stillage from bourbon production into electrodes for supercapacitors. The resulting devices stored more energy than commercially available ones, offering a potential solution to stabilize the electrical grid with renewable energy.
A novel dual-crystal-phase manganese dioxide (MnO₂) cathode has been developed to improve the performance and stability of aqueous zinc-ion batteries. The cathode offers high capacity, rapid charging capabilities, and exceptional longevity due to its unique interface between two different crystal structures.
Researchers at Tohoku University's Advanced Institute for Materials Research developed an unprecedented method to bond lithium metal directly to garnet-type oxide electrolyte using ultrasonic welding. This technique reduces interfacial resistance and establishes direct solid-state contact without melting or thermal activation.
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.
The new polyetherimide (PEI) core encapsulated by a polyamide-imide (PAI) shell separator overcomes conventional limitations in thermal safety, dendrite suppression, and cycling stability. The PAI@PEI separator achieves record-high shutdown temperature and superior Li+ transference.
A new study identifies the barriers to vehicle-to-grid (V2G) adoption, including coordination problems, limited infrastructure, and varying regulations. V2G technology can provide backup power during periods of high energy demand and earn EV owners money for supplying energy to the grid.
This study presents a polyhydroxy hydrogel electrolyte with in situ regulated interface chemistry suitable for biosensing-compatible zinc batteries, achieving unprecedented cycling stability and high-performance biosensing. The hydrogel electrolyte enables a conformal and continuous interface, promoting uniform ion transport and deposi...
Researchers at Tohoku University have developed a comprehensive digital materials ecosystem that integrates AI tools to streamline materials design, enabling faster and more accurate discovery of new materials. The ecosystem uses databases, AI, and scientific workflows to predict material properties and optimize design processes.
A novel orbital modulation strategy eliminates anti-site defects in NASICON-type Na3MnTi(PO4)3 cathode, improving cycling stability and rate performance. The optimized cathode achieves ultra-long cycling stability, excellent rate performance and wide-temperature adaptability.
Researchers developed a bioinspired Janus air electrode with a fish-scale and waterspider-leg structure, enabling rapid substance transport and improving catalytic site utilization. The asymmetric architecture significantly enhances zinc-air battery performance, achieving high power density and specific capacity.
Researchers developed a novel cellulose@MOF scaffold-based asymmetric electrolyte for stable solid-state lithium metal batteries, achieving enhanced safety and energy density. The design incorporates a cellulose framework decorated with MOF nanosheets, providing a strong mechanical barrier and efficient ion transport.
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.
A team of researchers has developed a practical and powerful all-solid-state battery using lithium-sulfur conversion chemistry. By optimizing particle size and material arrangement, they achieved a discharge capacity of 1500 milliampere-hours per gram of sulfur, bringing the technology closer to realizing its theoretical capacity.
Researchers at University of Michigan found that improved EV battery technology will outlast expected heat-related degradation from climate change, even in warming scenarios. The study's results suggest a boost to consumer confidence in EV batteries.
Researchers discovered that imaging both lithium and sodium battery materials with an electron microscope causes worse damage than previously thought. A new inert gas transfer method and data reporting recommendations promise better standards for studying battery samples safely and efficiently.
Researchers develop synergistic ultramicropore-confined and electronic-state modulation strategies in sustainable lignin-derived hard carbon to achieve robust sodium-ion batteries. The material exhibits high reversible capacity and initial Coulombic efficiency, making it a promising anode candidate.
A new strategy for improving inverted perovskite solar cells has been developed using a crystal-solvate pre-seeding method, enabling precise regulation of the bottom interface and paving the way for high-efficiency large-area photovoltaic modules.
Researchers at Tohoku University's Advanced Institute for Materials Research developed distortion-resistant energy materials for lithium-ion batteries, improving efficacy and cost-effectiveness. The cathode design utilizes 'interfacial orbital engineering' to neutralize Jahn-Teller distortions, achieving near-perfect cycling stability.
A new mechanism utilizing interfacial phase equilibrium regulates metal ion migration in CZTSSe photovoltaic cells, reducing deep-level defects and improving crystalline quality. The approach achieves a record-high open-circuit voltage of over 600 mV, overcoming long-standing energy losses.
Chinese scientists have developed a dual-side electrical refinement strategy for large-area TOPCon solar cells, achieving an open-circuit voltage of 744.6 mV and a fill factor of 85.57%. The breakthrough sets a new record for industrial-scale solar cells, narrowing the gap between mass-production efficiency and theoretical limit.
Researchers propose a new electrolyte additive strategy to solve three core challenges in zinc-iodine batteries: sluggish iodine reaction kinetics, polyiodide shuttle effect, and zinc dendrite growth. The study achieved ultra-long cycle stability and excellent performance with minimal capacity decay.
A recent study published in Nature Energy found that switching to a new battery technology does not automatically open the door to new market players due to established companies' structural advantages. The researchers analyzed over 15,000 patents and found significant knowledge transfer between lithium-ion and sodium-ion batteries.
Researchers develop a new method to transform waste streams into a promising material for next-generation sodium-ion batteries. The study demonstrates how waste recycling can reduce environmental pollution and support the transition to sustainable energy storage technologies.
Researchers at Columbia University have developed a new gel electrolyte that overcomes challenges in anode-free lithium batteries by selectively repelling lithium salts. This design enables the formation of an efficient protective layer on the lithium surface, improving battery life and thermal stability.
Researchers at the University of Chicago have developed a new dry-processed electrode architecture that improves battery performance, reduces cost, and has environmental benefits. The dry process eliminates toxic solvents and creates a more robust battery with better conductivity.
A new method allows for precise visualization of modern polymer binders in negative lithium-ion battery electrodes. The study found that small changes in binder distribution can significantly affect charging efficiency and battery lifespan.