Articles tagged with Lithium Ion Batteries
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Researchers propose a peer-to-peer system for electric vehicles to share charge while driving, reducing the need for charging stations and lowering travel times. The system uses a cloud-based control system to match vehicles in the same vicinity, allowing them to share charge en route.
Researchers at the University of Surrey have successfully increased the lifespan and stability of solid-state lithium-ion batteries. The new high-density batteries are less likely to short-circuit, addressing a common issue in previous models.
Researchers developed a bumpy carbon-based material that maintains rechargeable storage capacity down to -31 F, improving lithium-ion batteries' performance in freezing temperatures. The new material enables electric cars to drive longer and reduces the risk of battery failure in extreme cold.
Researchers developed an AI technology that merges physical domain knowledge with AI to accurately predict battery capacity and lifespan. The approach improved prediction accuracy by up to 20% and has significant implications for the widespread adoption of electric vehicles.
Researchers at the Indian Institute of Science discovered that microscopic voids in lithium anodes cause dendrite formation in solid-state batteries. By adding a thin layer of refractory metals to the electrolyte surface, they delayed dendrite growth and extended battery life.
A new study explores a novel magnesium battery compound with a cathode of Mg2MnO4, achieving an energy density of 335 Wh/kg and surpassing previous records. However, initial capacity loss in charging cycles is noted, highlighting the need for further research to recover lost capacity.
Researchers have developed a polymer composite binder that improves the performance of silicon anodes in lithium-ion batteries. The binder, consisting of P-BIAN and PAA polymers, stabilizes the silicon particles and maintains a thin solid-electrolyte interface layer, resulting in improved discharge capacity and structural integrity.
Scientists have developed a machine learning algorithm that can accurately predict the lifetimes of different battery chemistries using as little as a single cycle of experimental data. The technique could reduce costs and accelerate the development of new battery materials, enabling researchers to quickly evaluate and test multiple ma...
After several dozen charging cycles, the focus shifts from individual electrode particle properties to their interactions. The study identified key attributes contributing to particle breakdown, including particle-particle distance and shape variability.
A research group has synthesized electrode materials for lithium-ion batteries using inexpensive elements, reducing industrial reliance on rare metals like cobalt and nickel. The new materials also show promise in improving the safety of LIBs.
A new report from Oak Ridge National Laboratory identifies supply chain must-haves for maintaining the pivotal role of hydropower in decarbonizing the nation's grid. The report also highlights advances in safer battery technologies and innovative electron microscopy techniques for imaging lithium in energy storage materials.
Researchers at Tohoku University and UCLA have made a breakthrough in high-voltage metal-free lithium-ion batteries using a small organic molecule, croconic acid. The battery has a strong working voltage of around 4V and a high theoretical capacity, potentially leading to more energy-dense and cost-effective batteries.
The study demonstrates a sulfide coating, amorphous Li2S via ALD, that protects the NMC811 cathode and improves capacity retention, rate performance, and mitigates voltage reduction. The coating also removes O2 released from the NMC cathode during charging.
A self-standing mesoporous Si film anode has been developed for lithium-ion batteries, exhibiting excellent performance without the need for additives or binders. The film's pore characteristics show a strong correlation with electrode performance.
Researchers have discovered the opto-ionic effect, where light increases the mobility of ions in ceramic materials, improving the performance of devices such as solid-state electrolytes in fuel cells and lithium-ion batteries. This effect could lead to higher charging speeds and more efficient energy conversion technologies.
Dr. Perla Balbuena's study uses quantum chemical methods to track specific reactions on Li-metal battery surfaces, revealing insights into polymer formation and surface chemistry. The research aims to optimize Li-metal batteries' performance and lifespan by controlling reactivity.
Scientists have created a quasi-solid-state cathode for solid-state lithium metal batteries, achieving significant reduction in interfacial resistance. The new design uses an ionic liquid to maintain excellent contact with the electrolyte, promising new directions in battery development.
Researchers developed an indentation test to evaluate mechanical properties of sulfide solid electrolytes, crucial for all-solid-state lithium-ion secondary batteries. The method enabled accurate assessment in inert atmosphere, confirming superior mechanical properties of sulfide-type solid electrolytes.
Solid-state batteries with little liquid electrolyte are safer than lithium-ion batteries in many cases. However, they also have limitations, such as slow lithium ion movement from the solid electrolyte to electrodes.
Researchers at Universitat Politècnica de València are working on improving the safety of lithium-ion batteries in electric vehicles. They aim to reduce thermal instability and prevent fires, with potential benefits for the automotive sector and beyond.
Researchers used x-rays to track lithium deposition and removal from a battery anode during cycling, identifying irregularities that lead to reduced capacity and lifespan. Incomplete lithium stripping causes dead spots on the anode, reducing cell capacity and electron flow.
Scientists have developed a simple methodology for synthesizing novel β-SiC nanoparticle-based anode materials for lithium-ion batteries. These materials exhibit high current density, rated capacity and promising compatibility for reversible lithium-ion storage.
Researchers at the University of Houston have developed a novel 3D microscopy technique to study dendrite formation in batteries. The technology allows for the creation of detailed maps of how batteries develop dendrites, which can help manufacturers design more efficient batteries.
Researchers develop alternative diagnostic technology to evaluate Li-ion battery degradation mechanism quickly and efficiently. The approach allows for rapid detection of LLI degradation, facilitating real-time monitoring of individual cells' state of health.
Researchers at UPV/EHU propose using caesium cations to improve the cyclability of sodium-air batteries, increasing their energy density and range. By adding a caesium salt to the electrolyte, they were able to achieve over 90 charge/discharge cycles.
Researchers aim to quantify and characterize the lithium in California's Salton Sea geothermal reservoir to secure a domestic supply chain. The project will investigate environmental impacts and provide insights on the subsurface resource potential.
A team of scientists is mapping out California's Lithium Valley and assessing the Salton Sea geothermal field's potential for sustainable, environmentally friendly lithium extraction. The goal is to meet America's urgent demand for lithium in a way that doesn't harm the environment.
Researchers have discovered a new solid electrolyte composed of lithium, scandium, indium, and chlorine that offers several advantages. The electrolyte conducts lithium ions well but electrons poorly, making it suitable for all-solid-state batteries with improved safety and energy density.
A new material, sodium carbo-hydridoborate, improves the performance of solid-state sodium batteries, making them more sustainable and durable. The ideal pressure to be applied to the battery for efficient operation has also been defined.
Researchers developed a novel coating material based on methylene blue dye to mitigate the polysulfide shuttling effect in lithium-sulfur batteries, improving their durability and electrochemical performance. This breakthrough could lead to the widespread adoption of sustainable energy storage systems.
Researchers at the University of Leicester have partnered with BHP to identify new areas for nickel and copper deposits critical to the electric vehicle (EV) revolution. The project aims to challenge current understanding of the nickel mineral system, potentially opening up new exploration search space globally.
Researchers at Georgia Institute of Technology have discovered a promising alternative to conventional lithium-ion batteries made from a common material: rubber. The material, when formulated into a 3D structure, acts as a superhighway for fast lithium-ion transport with superior mechanical toughness.
Researchers explore circular economy approaches to improve battery recycling efficiency and purities of raw materials. A promising approach is 'Design for Recycling', which aims to standardize screw connections and design materials for automated disassembly and reduced solvent use.
Researchers at Duke University have discovered paddlewheel-like molecular dynamics that help push sodium ions through a quickly evolving class of solid-state batteries. The insights will guide researchers in their pursuit of a new generation of sodium-ion batteries to replace lithium-ion technology.
Scientists have made the first high-res images of the solid-electrolyte interphase, or SEI, in its natural plump state. The results suggest that the right electrolyte can minimize swelling and improve battery performance.
Researchers discovered a way to revitalize rechargeable lithium batteries by mobilizing inactive lithium towards electrodes, increasing capacity and lifespan. This process, which involves applying an extra step during charging, slowed degradation and increased lifetime by nearly 30%.
Researchers have developed a compact solar-powered battery that can be directly recharged with solar energy, reducing dependence on fossil fuels. The battery uses a heterostructure electrode made from molybdenum disulphide and oxide, which enhances surface area for efficient absorption of solar energy.
Researchers have created a rechargeable lithium-ion battery in an ultra-long fiber that can be woven into fabrics, enabling self-contained wearable electronic devices. The 140-meter long fiber battery demonstrates the potential for practical applications in various fields, including communications, sensing, and computational devices.
Researchers at Japan Advanced Institute of Science and Technology have developed a promising anode material for lithium-ion batteries that can enable extremely fast charging. The material, made from a bio-based polymer, showed enhanced lithium-ion kinetics and durability, retaining up to 90% of its capacity after 3,000 charge-discharge...
Researchers at MIT developed a selective separation process using sulfidation to target rare metals like cobalt in lithium-ion batteries. The approach reduces energy consumption and greenhouse gas emissions compared to traditional liquid-based separation methods.
Researchers at the University of Texas at Austin have developed a new sodium-based battery material that overcomes the dendrite problem in earlier sodium batteries. The new material recharges as quickly as a traditional lithium-ion battery and has a higher energy capacity than existing sodium-ion batteries.
Researchers evaluate various technologies for extracting lithium from hot, saline brines, facing technical challenges due to high heat and dissolved minerals. The Salton Sea region in California is identified as a major domestic source of lithium, with the goal of developing environmentally friendly 'green' lithium sources.
A new study found that research and development on chemistry and materials science were key factors behind the significant cost decline of lithium-ion batteries. The analysis revealed that over 50% of the cost reduction came from R&D activities, with chemistry and materials research being the primary contributors.
Researchers at University of Illinois have developed an electrochemical process to recover valuable metals from spent lithium-ion battery electrodes. The method produces high-purity coatings of cobalt and nickel with approximate purities of 96.4% and 94.1%, respectively.
Scientists at ORNL developed a scalable, low-cost method to improve materials joining in solid-state batteries, resolving one of the big challenges in commercial development. The electrochemical pulse method increases contact at the interface without detrimental effects, enabling an all-solid-state architecture.
The study found that a stack pressure of 350 kilo Pascal increases lithium particle deposition in neat columns, improving stability and reducing the risk of short circuits. Additionally, partial discharge during cycling can also boost performance without affecting the solid electrolyte interphase structure.
Researchers have observed for the first time how silicon anodes degrade in lithium-ion batteries due to swelling and electrolyte infiltration. This degradation leads to reduced battery capacity and charging speed, but scientists are exploring ways to protect silicon from these effects.
A new study refutes a long-standing explanation for low energy efficiency in lithium-ion batteries, suggesting that voltage hysteresis is caused by reversible electron transfer between oxygen and transition metal atoms. This phenomenon could be mitigated through manipulation of electron transfer barriers.
Researchers at Monash University have developed a new type of battery that can store more energy than traditional lithium-ion batteries. By adding sugar to the positive electrode, they were able to stabilize the battery and increase its lifespan by up to 1000 cycles.
A new research method developed by an interdisciplinary team of engineers and scientists has the potential to significantly increase lithium supply and reduce costs for devices that rely on it. The technique involves extracting lithium from contaminated water using precise membranes, which can improve efficiency and simplify the extrac...
Storing lithium-ion batteries at below-freezing temperatures can crack the cathode material, reducing electric storage capacity. Researchers identified this issue by analyzing battery particles using X-ray methods and machine learning techniques.
The study reveals that the capacity of sodium ions can match today's lithium-ion batteries, offering a cost-efficient and abundant alternative for energy storage. The unique structure of Janus graphene enables high-capacity energy storage, with specific capacities approaching those of lithium in graphite.
Researchers at Nagoya City University find a fourfold increase in surface deuterium atoms on nanocrystalline silicon, paving the way for sustainable deuterium enrichment protocols. The efficient exchange reaction could lead to more durable semiconductor technology and potentially purify tritium contaminated water.
Researchers at OIST developed a hybrid material to improve lithium sulfur battery performance, reducing polysulfide dissolution and increasing efficiency. The new design resulted in shorter charging times, longer life between charges, and improved overall lifespan.
Researchers developed a lab-based technique to observe lithium ions moving in real-time as batteries charge and discharge. This allows them to identify speed-limiting processes that could enable faster charging, with potential applications in electric cars and grid-scale storage.
Researchers at Peter the Great St.Petersburg Polytechnic University developed a new approach to determine the best electrode materials composition for solid-state lithium-ion batteries. The results demonstrated high charge capacity at high current densities using transition metal oxides.
Researchers at Texas A&M University have developed a new metal-free, recyclable polypeptide battery that degrades on demand, offering a sustainable alternative to traditional lithium-ion batteries. This breakthrough technology uses polypeptides, components of proteins, to create a non-toxic and recyclable power source.
A new polymer-based battery can charge in seconds, outperforming traditional lithium-ion batteries. It is also safer and has a lower environmental impact due to the use of nickel instead of cobalt.
Researchers at MIT have developed a novel electrolyte that overcomes chemical reactions hindering metal electrode use in lithium-ion batteries. This breakthrough could lead to significantly improved capacity and cycle life, enabling new applications like long-range drones and robots.
University of Utah professor Tao Gao's discovery reveals physics behind lithium plating and enables prediction of its occurrence. The breakthrough could lead to faster charging times for electric vehicles and smartphones, reducing charging time from over an hour to under 10 minutes.