Articles tagged with Anodes
Researchers from Japan Advanced Institute of Science and Technology create self-repairing polymer to stabilize silicon anode capacity, paving way for more durable Li-ion batteries. The coating prevents SEI formation and enhances stability, allowing for improved performance over 300 cycles.
Scientists at OIST have developed a new nanostructure that improves the silicon anode in lithium-ion batteries, increasing its charge capacity and lifespan. The vaulted structure formed by depositing silicon atoms on metallic nanoparticles increases the strength and structural integrity of the anode.
Scientists have identified lithium hydride and a new form of lithium fluoride in the interphase of lithium metal anodes using ultrabright x-rays. This finding is a major step towards developing smaller, lighter, and less expensive batteries for electric vehicles.
Researchers at Korea Maritime and Ocean University developed a new anode material for sodium-ion batteries by doping carbon with different atoms, improving electrochemical performance and reversible capacity. The findings have significant implications for the engineering of sustainable, inexpensive, high-performance batteries.
Researchers have created a stable and efficient membrane using an in-situ growth idea, addressing the challenges of large-scale production. The new membrane outperforms existing commercial membranes in terms of starting voltage, stability, and hydrolysis ability.
Researchers from Chalmers University of Technology have developed concrete guidelines for charging and operating lithium metal batteries to minimize the risk of short circuits. By optimizing charge parameters, the team aims to create safer and more efficient batteries with higher energy density.
Researchers have discovered a promising material for sodium-ion batteries, offering enhanced electrochemical performance and reduced capacity loss. The study provides new insights into the sodium storage behavior of electron-rich element-doped amorphous carbon, paving the way for large-scale sodium-ion battery development.
Researchers at the University of Houston have developed a new 3D zinc-manganese nano-alloy anode that allows for fast charging and is stable without degrading. The anode uses seawater as an electrolyte, lowering battery cost, and has been tested to last up to 1,000 hours under high current density.
Researchers at Oregon State University have developed a battery anode based on a new nanostructured alloy that can improve energy storage and replace solvents with seawater. The zinc- and manganese-based alloy suppresses dendrite formation, demonstrating super-high stability over thousands of cycles.
Researchers at Hunan University and Clemson University have developed a new type of electrode material inspired by biological cells. The material, called biomimetic carbon cells, improves the cycling stability of potassium-ion batteries and allows for longer continuous operation.
A University of Central Florida researcher has created a new technique to keep lithium-ion batteries from degrading over time. The method involves applying a thin film-like coating of copper and tin to the anode, significantly reducing degradation by more than 1,000 percent.
UD Prof. Koffi Pierre Yao receives a $1 million grant to create a next-generation battery that will power devices longer, making them more affordable and accessible. The new anode material can store up to 10 times the energy of current batteries.
Scientists at UC San Diego have developed a new anode material that enables safer, faster lithium-ion battery charging. The Li3V2O5 disordered rocksalt offers improved safety and energy density, with the potential to replace graphite and lithium titanate anodes.
Researchers created silicon-based batteries with improved stability and capacity, allowing for faster charging times and increased efficiency. The breakthrough could enable the use of lighter batteries in spacesuits and satellites, reducing mission costs and increasing energy storage capabilities.
A self-assembling monolayer of electrochemically active molecules protects the surface of the lithium anode, preventing dendritic growth and increasing cycle life. This technology enables cold charging and quick-charging capabilities in lithium metal batteries.
Asymmetric stresses within electrodes used in wearable electronic devices can lead to improved durability and lifespan of batteries. Researchers from the University of Warwick have found that varying coating properties on each side of double-sided coated electrodes can help mitigate high bending stress and improve mechanical resilience.
Researchers developed a semitransparent photovoltaic cell with high power conversion efficiency and visible transparency, opening possibilities for power-generating windows and solar energy applications. The study showcases the potential of organic photovoltaics in serving as color-neutral, transparent power sources.
Researchers at KIT and Jilin University developed lithium lanthanum titanate (LLTO) as a promising anode material for lithium-ion batteries. LLTO enables higher energy density, power density, and charging rate while improving safety and cycle life.
Researchers from Skoltech and MSU discovered the type of electrochemical reaction associated with charge storage in the anode material for sodium-ion batteries. They also developed a method to produce hard carbon with high capacity comparable to graphite, a crucial step towards commercializing SIB.
Researchers developed a COF-LZU1 coating to redistribute Li-ions, improving battery performance. The coating's nanochannels hinder anion migration, increasing the Li-ion transference number and transforming mossy or dendritic Li into smooth deposition.
Scientists at Oldenburg University have developed a new technique to observe chemical processes during battery operation. The team used scanning electrochemical microscopy (SECM) to track changes on the lithium anode's surface, revealing how dendrites form and limit durability.
Multivalent metal-ion batteries using magnesium, calcium, zinc, and aluminum show great promise but face steep challenges. Researchers provide a roadmap for future work, highlighting key strengths and common misconceptions.
Rice chemist James Tour and his team use adhesive tape to create a silicon oxide film that replaces troublesome anodes in lithium metal batteries. The new coating triples the battery lifetimes of other zero-excess lithium metal batteries, delivering better performance and longer lifespan.
Researchers at Texas A&M University have developed a new anode design for lithium batteries using carbon nanotubes that enables safe storage of lithium ions and boosts charging speed. The technology prevents dendrite formation, reducing the risk of device explosions and improving battery performance.
Researchers at Stanford University have developed a new lithium-based electrolyte that can improve the performance of lithium metal batteries. The novel electrolyte design boosts energy density and coulombic efficiency, leading to longer battery life and reduced weight.
A novel pretreatment strategy has been developed to resolve the issue of silicon anode materials in lithium-ion batteries. The technology enables simple and safe processing for large-scale production, resulting in high initial battery efficiency and increased energy density.
Researchers have developed a simple bottom-up synthesis method for graphdiyne, a two-dimensional carbon network with adjustable electronic properties. The material demonstrates excellent lithium-storage capacity and stability, making it suitable for electrochemical applications.
Researchers discovered that nanometer-scale antimony crystals form hollow structures during charging, allowing more ion flow and improving battery performance. The self-hollowing structures could also be used in sodium-ion and potassium-ion batteries, expanding material options for the next generation of lithium-ion batteries.
Researchers developed a hierarchically porous TiO2/rGO hybrid material, which exhibited high and stable surface area and excellent reversible capacity. The material's (001) facets facilitate Li+ insertion-extraction at low current densities, while its porosity dominates the process at high currents.
Scientists developed a unique nanostructure that limits silicon's expansion while fortifying it with carbon, enabling it to hold twice the charge of traditional graphite anodes. The porous silicon structure exhibits remarkable mechanical strength, making it suitable for high-performance lithium-ion batteries.
Army researchers have developed a new electrolyte design for lithium-ion batteries that improves anode capacity by more than five times compared to traditional methods. The new design increases the number of possible cycles with little degradation, extending the lifespan of next-generation lithium-ion batteries.
Researchers at the University of Maryland have developed a new electrolyte that forms a protective layer on silicon anodes, stabilizing their structure and preventing degradation. This breakthrough enables the use of micro-sized alloy anodes, significantly enhancing energy density and paving the way for high-energy batteries.
Researchers at the University of Eastern Finland developed a hybrid material combining mesoporous silicon microparticles and carbon nanotubes to improve silicon's performance in Li-ion batteries. The material was produced from barley husk ash, reducing its carbon footprint.
Graphite has been found to be intrinsically lithiophilic at 500K, contradicting previous conclusions that it was lithiophobic. The study uses ab initio molecular dynamics simulation and shows that surface chemistry plays a key role in the wetting performance of Li metal on graphite.
Researchers propose a flexible interface design to reduce alloying stress on silicon anodes, resulting in record-breaking rate performance and cycling stability. The design modulates stress distribution via a soft nylon fabric modified with a conductive Cu-Ni transition layer.
Researchers from Rensselaer Polytechnic Institute have developed a potassium metal battery that performs nearly as well as a lithium-ion battery, but relies on potassium for a more abundant and less expensive element. The battery solves the persistent problem of dendrites, which can cause short circuits and fires.
Researchers at KIST developed silicon anode materials that can increase battery capacity four-fold, enabling rapid charging and more than doubling electric vehicle driving range. The new materials were created using common ingredients like water, oil, and starch in a simple thermal process.
A WSU research team has developed a unique protective layer around lithium anode, protecting batteries from degradation and allowing them to work longer under typical conditions. The innovation could make high-energy batteries more viable for next-generation energy storage.
Researchers at Rice University have discovered a mechanism that protects cathodes from degrading in lithium-ion batteries by applying a thin layer of alumina, which also accelerates charging speed. This breakthrough could lead to more stable and efficient batteries for electric cars and grid storage.
A new study by NIMS researchers reveals that a Si anode composed of commercial Si nanoparticles in solid electrolytes exhibits excellent electrode performance, approaching that of film electrodes. This breakthrough enables low-cost and large-scale production of high-capacity anodes for all-solid-state Li batteries.
Researchers have proposed new concepts for in situ formed and artificial SEIs to fundamentally modulate the electrochemical characteristics of zinc. The interfacial design enables reversible and dendrite-free Zn plating/stripping, resulting in excellent cycling stability with negligible capacity loss.
Researchers developed a modified Mg metal anode via surface ion-exchange reaction, enabling stable electrochemical performance and reversible plating/stripping at high current densities. The artificial layer improves ion transport kinetics, reducing overpotential and increasing battery lifespan.
Lithium-ion batteries face limitations including flammability, fast charging degradation and overcharging issues. Developing alternatives to liquid electrolytes is a promising strategy to address these challenges.
Researchers at Argonne National Laboratory have developed a new electrolyte mixture and additive that can stabilize silicon anodes during cycling, improving long-term cycling and calendar life. The new electrolyte mixtures, called MESA, show increased surface and bulk stabilities, outperforming comparable cells with graphite chemistry.
Researchers at ETH Zurich have developed a flexible thin-film battery that can be bent, stretched and twisted without disrupting power supply. The new battery features a water-based gel electrolyte that is environmentally friendly and non-toxic.
A research group used materials informatics to identify a high-capacity and stable organic material for lithium-ion secondary cells. By combining empirical knowledge and machine learning, they successfully obtained a material with improved capacity, durability, and quick charge-discharge property.
A study led by UC San Diego researchers identifies the root cause of lithium metal battery failure as bits of lithium metal deposits that break off from the anode during discharging. These deposits get trapped in the solid electrolyte interphase (SEI) layer, lowering Coulombic efficiency and causing batteries to fail. The findings coul...
Researchers discovered tetraaminobenzene-based linear polymers of nickel and copper that can be used as anode materials for fast-charging batteries. These materials retain up to 79% of their capacity after 20,000 charging-discharging cycles.
Researchers at Toyohashi University of Technology have successfully fabricated a binder-less tin phosphide/carbon composite film electrode for lithium-ion batteries via aerosol deposition. The electrode exhibits improved charging and discharging cycling stabilities, enabling advanced Li-ion batteries with higher capacity.
Researchers have developed a wax-based composite coating that protects lithium metal anodes from air and water, achieving high capacity retention rates. The coating prevents dendrite growth and maintains electrochemical performance under humid conditions.
Researchers at the University of California - San Diego have developed a new cold-tolerant electrolyte for lithium-metal batteries, improving cycling efficiency and reducing dendrite growth. The breakthrough could lead to lighter batteries capable of storing more charge, extending electric vehicle range and lowering battery costs.
Researchers developed new electrolytes containing multiple additives to improve lithium-ion battery performance across a wider temperature range. The optimized combination enhanced discharging performance and long-term stability at low temperatures, while also improving cycling stability at higher temperatures.
Researchers from Carnegie Mellon University have developed a semiliquid lithium metal-based anode that could lead to higher capacity and safer lithium metal batteries. The new design overcomes limitations of traditional solid electrolytes, enabling higher current density and longer cycle-life.
A team from Ohio State University has built a more efficient and reliable potassium-oxygen battery that can store excess energy from renewable sources. The battery can be charged at least 125 times, making it a potential solution for long-lasting energy storage in the power grid and cell phones.
A novel fluorescence probe technique reveals the distribution of active lithium on lithium metal anodes, enabling differentiation between dendrites and dead lithium. This technique aids in understanding battery malfunctions and optimizing new battery structures.
University of Illinois researchers have developed a new electrolysis technology that uses glycerol to reduce the energy consumption of converting CO2 waste into valuable resources. The process reduces energy requirements by 53% and has potential for carbon neutrality or negativity, depending on grid setup.
Researchers developed an Al anode design with Cu codeposition, improving cycling stability and capacity retention. The new battery configuration achieved a capacity retention of ~88% over 200 cycles with a high areal density cathode.
Researchers at Tohoku University have developed a new complex hydride lithium superionic conductor that can result in all-solid-state batteries with the highest energy density to date. The material exhibits high stability against lithium metal, a major challenge for all-solid-state battery development.
Researchers at Drexel University and Trinity College developed a new method to fortify silicon anodes with MXene materials, stabilizing them enough for use in batteries. The resulting silicon-MXene anodes showed higher lithium-ion capacity and superior conductivity than conventional silicon anodes.
Scientists have developed a method to upcycle polyethylene from plastic bags into pure carbon, which can be used as anode material for lithium-ion batteries. The new approach creates a cost-effective and efficient way to convert plastic waste into useful energy-storing materials.