Articles tagged with Anodes
Researchers have developed a novel Li anode design featuring a solid electrolyte layer and housed framework to mitigate dendrite growth and volume expansion. The resulting batteries exhibit excellent capacity retention and stability, paving the way for next-generation rechargeable battery development. This innovative approach has signi...
Scientists create tantalum nitride photo anode that can absorb visible light and control crystal layer growth, improving efficiency of photoelectrochemical water splitting. This breakthrough could lead to global environment and energy storage solutions using hydrogen-powered electronics and travel.
Researchers developed a long-life metal-O2 battery using Li-Na eutectic alloy, exhibiting similar reaction activities to other alloys and suppressing dendrite growth. The study also introduced efficient O2 reduction/evolution catalysts to improve cycling life and rate capability.
Scientists have discovered three distinct growth modes in lithium metal anodes: whiskers, surface growth, and dendrites. These growths are influenced by competing reactions between the electrolyte and metal deposits. The study's findings suggest that controlling these growth modes is crucial for building reliable batteries.
A new carbon material has been discovered with a high Na storage capacity of over 400mAh/g, outperforming current hard carbon materials. The bi-honeycomb-like architecture shows an 85% plateau capacity at low voltage, potentially increasing energy density in sodium-ion batteries.
Researchers have developed a novel technology to improve lithium metal battery performance by coating the anode with a lithium silicide layer. The new approach overcomes dendritic growth issues, leading to improved rate capability and cycle stability.
Researchers at KAUST have developed a laser-based process to create three-dimensional hard carbon anodes with improved conductivity and capacity for sodium-ion batteries. This breakthrough enables the mass production of high-performance anodes, paving the way for widespread adoption of sodium-ion batteries in energy storage applications.
Researchers from Northeastern University developed hierarchical Bi2MoO6 nanosheet arrays (BNAs) on 3D Ni foam, which exhibit a super high reversible discharge capacity of 2311.7 μAh/cm² and excellent cycle stability. The BNAs-integrated electrodes improve the cycle stability and capacity of lithium-ion batteries.
Researchers at Cornell University have developed a new battery design that could increase the power of lithium-ion batteries by confining dendrite growth in electrolytes, reducing instability and improving lifespan.
Researchers have developed a lightweight carbon nanofiber-based collector that can restrain dendrite growth and achieve uniform lithium deposition. The collector, made with high nitrogen-doping levels, improves energy density by up to 2489.7 mAh/g, enabling the practical use of lithium metal anodes.
Scientists have developed a new anode material for lithium-ion batteries that can store more energy and charge faster. The hybrid material combines tin oxide nanoparticles with antimony on a graphene base, improving stability and conductivity.
Michigan Tech researchers explore lithium's mechanical properties to improve battery storage capacity and safety. Their findings highlight the importance of lithium's orientation-dependent elastic properties in controlling battery performance.
Researchers have developed a powerful 3D lithium ion battery with an area footprint smaller than 0.09 square centimeters, achieving an energy density of 5.2 milli-watt-hours per square centimeter. This design uses a conformal electrolyte and semiconductor processing to overcome previous limitations in 3D battery technology.
A KAIST research team developed a new anode material using copper sulfide, exhibiting 1.5 times better cyclability and 40% reduced cost compared to existing materials. The discovery may contribute to the commercialization of sodium ion batteries and reduce battery costs in consumer electronics.
Researchers at the University of Delaware have made a breakthrough in mitigating dendrite formation in lithium metal batteries, enabling them to be used for electric vehicles. The new method uses porous materials to suppress dendrite growth, resulting in improved battery performance and safety.
Researchers at UIC and Argonne National Laboratory designed a new lithium-air battery that can operate in a natural-air environment without oxidation or buildup of undesirable byproducts. The battery achieved record-breaking 750 charge/discharge cycles, surpassing previous experimental designs.
Researchers at Arizona State University have made a significant breakthrough in lithium-metal batteries, discovering a way to mitigate dendrite growth that can reduce energy density and cause fires or explosions. The new solution involves using a 3D layer of Polydimethylsiloxane (PDMS) as the substrate for lithium metal anode.
Researchers at KAIST developed a hybrid energy storage device that can be charged in less than half a minute using aqueous electrolytes and graphene. The device facilitates rapid charging and high energy density, making it suitable for portable electronic devices.
Researchers at Berkeley Lab and Natron Energy have confirmed the existence of a novel chemical state of manganese in an unconventional electrode. This discovery enables a high-performance, low-cost sodium-ion battery that outperforms conventional lead-acid batteries in terms of cycle life and cost.
Researchers have created an alternative and cheapest anode material for excellent and ultra-stable alkaline water electrolysis. The new core-shell nanostructured electrocatalyst replaces precious metals, achieving highly efficient oxygen evolution activity and ultrastability.
Researchers at the University of Warwick have discovered a new approach to replace graphite in lithium-ion batteries using silicon reinforced with graphene girders. This could more than double the battery's life and increase its capacity.
Northwestern University researchers have created a new battery using crumpled graphene balls, which can accommodate fluctuation of lithium as it cycles between the anode and cathode. This approach avoids lithium dendrite growth, increasing battery performance and capacity.
Researchers developed an operando electron paramagnetic resonance (EPR) technique to detect lithium metal plating in lithium ion batteries. This technique provides real-time information on the onset of lithium plating and its extent during charging, supporting the development of improved electric vehicles.
Researchers at TUM and Jülich Institute have developed a novel EPR spectroscopy process to investigate lithium plating in lithium-ion batteries. This allows for the detection of metallic lithium deposits on anodes, which can reduce battery capacity and lifespan.
Scientists at Fudan University have designed a high-rate and long-life lithium-ion battery with improved low-temperature performance. The battery system features a cold-enduring hard-carbon anode and a powerful lithium-rich cathode, with the initial lithiation step integrated.
Researchers from Empa and UNIGE have developed a new battery prototype that stores more energy while maintaining high safety levels. The battery uses a solid electrolyte and metallic sodium, which enables faster charging and increased storage capacity.
The new battery prototype uses a solid electrolyte and metal anode, enabling the storage of more energy while maintaining high safety levels. The researchers have tested the battery over 250 cycles, with 85% of its energy capacity still functional after that period.
Researchers at MIT have developed an 'air-breathing' battery that can store electricity for months, reducing costs to around $20-$30 per kilowatt hour. The battery uses sulfur and oxygen to generate charge, making it a potential solution for widespread renewable energy integration.
Researchers developed a low-cost battery using waste graphite, offering high safety and simplicity in production. The battery features a unique cathode material and can withstand thousands of charging cycles.
Researchers have developed a novel coating that prevents side-reactions and promotes uniform lithium deposition, leading to improved battery performance. The new indium-lithium hybrid electrodes showed stability over 250 cycles with high capacity retention.
Scientists at Berkeley Lab have successfully demonstrated the efficient conversion of carbon dioxide to fuels and alcohols using artificial photosynthesis. The system achieved efficiencies rivaling natural counterparts, producing ethanol and ethylene with high energy conversion rates.
Researchers at the University of Maryland have developed a water-based lithium-ion battery that reaches 4.0 volts and achieves high energy density while maintaining safety. The new gel polymer electrolyte coating prevents water from decomposing and forms a stable interphase, protecting the anode and preventing fires or explosions.
Okinawa Institute of Science and Technology (OIST) scientists have designed a novel silicon-based anode to provide lithium batteries with increased power and better stability. The new anode, featuring nanostructured layers of silicon, improves the battery's ability to charge and deliver energy over time.
Researchers at the U.S. Army Research Laboratory and the University of Maryland have developed a water-salt solution-based lithium-ion battery that reaches 4.0 volts without the fire risks associated with non-aqueous batteries. The new technology provides identical energy density as SOA Li-ion batteries while maintaining safety.
Scientists developed a new anode material with improved specific capacity and stability, using silicon- and germanium-based materials. The material's three-dimensional architecture provides high energy efficiency for next-generation energy storage systems.
Researchers have discovered a way to improve Li-ion battery technology by replacing graphite with silicon, quadrupling anode capacity. The new material has been found to be more suitable when particles are sized between 10-20 micrometres and have the right porosity.
A KAIST research team developed molecular pulley binders for high-capacity silicon anodes in lithium ion batteries, improving charge-discharge cycles. The innovative binding system, inspired by the 'mechanical bond' concept, enhances electrode stability and capacity retention.
Researchers used polyrotaxane to create a silicon anode that expands and contracts more easily, boosting battery performance. The technique allows for high volumetric and energy densities similar to commercialized lithium-ion batteries.
Researchers at UNIST have successfully developed a new anode material for solid oxide fuel cells (SOFCs) that can operate on hydrocarbon fuels, offering improved stability and reduced production costs. The breakthrough enhances the potential for commercialization of SOFCs, which could achieve efficiency higher than 90%.
Researchers from CAS developed noble metal-based heterogeneous electrocatalysts with enhanced catalytic activity and high selectivity for the methanol oxidation reaction (MOR) and oxygen reduction reaction (ORR). DMFCs operated well at high-concentration methanol, outperforming conventional strategies.
Scientists have successfully coated live bacteria with a conducting polymer to improve their conductivity, resulting in a 23 times smaller resistance and a fivefold increase in electricity generation. This coating scheme has the potential to revolutionize microbial fuel cell technology and wastewater treatment.
Researchers at the University of Houston have discovered a new class of material that addresses many battery concerns, including fire risk, cold weather performance, and lifespan. The quinones-based anode is inexpensive, chemically stable, and allows batteries to work across temperature ranges.
Rice researchers develop a graphene-nanotube hybrid anode that stores 3,351 milliamp hours per gram of lithium, close to the theoretical maximum and 10 times that of lithium-ion batteries. The anode material suppresses dendrite growth, allowing for efficient lithium storage.
Researchers identified phosphorene-like SiS and SiSe as promising anode materials for sodium-ion batteries. These materials exhibit high theoretical specific capacities and low volume changes, ensuring good structural stability.
Scientists at the University of Illinois have created a lithium-ion battery with improved durability using a self-healing material. The new material helps maintain the electrode's ability to store energy, increasing overall performance and lifespan.
Researchers at Cornell University have developed a new stabilizing molecule that could improve the efficiency of lithium-air fuel cells, addressing issues such as poor rechargeability and high overpotentials. The molecule protects electrodes from degradation and promotes ion transport, paving the way for more sustainable energy solutions.
Researchers developed a novel approach to lithium-ion capacitors using internal short-circuiting, achieving high energy storage capacity. The pre-lithiated multiwalled carbon nanotube anode showed improved performance, enabling the devices to store approximately 5 times more energy than conventional EDLCs.
Researchers at UCR's Bourns College of Engineering turned waste glass bottles into nanosilicon anodes for high-performance lithium-ion batteries. The new battery technology stores more energy, charges faster, and is more stable than commercial coin cell batteries.
Researchers at UC Riverside have discovered a new battery coating that stabilizes performance, eliminates dendrite growth, and increases the lifetime of lithium-metal anodes. The coating, made with methyl viologen, can enhance battery performance by three times compared to current standards.
Researchers found that adding a small amount of lithium hexafluorophosphate to an electrolyte makes rechargeable lithium-metal batteries stable, charge quickly, and have high voltage. The additive also helps create a protective layer on the battery's anode, preventing unwanted side reactions.
Scientists have developed a method to recycle unwanted Si sawdust into high-capacity and durable LIBs with capacities up to 3.3 times larger than conventional graphite. The proposed recycling process has the potential to be mass-produced at a reasonably low cost.
Researchers have created a high-performance anode material for sodium-ion batteries, enabling them to operate at 83% capacity over 900 cycles. The breakthrough could lead to safer and more cost-effective large-scale energy storage solutions.
Researchers have developed a new battery test cell allowing them to investigate anionic and cationic reactions separately. This innovation could lead to the creation of high-voltage lithium-ion batteries with improved energy density, reducing the need for multiple charging cycles and minimizing gas formation.
Researchers developed a new type of anode material that improves lithium-ion battery capacity and lifespan by addressing structural issues with conventional graphite anodes. The new material, using silicon-nanolayer-embedded graphite/carbon, shows superior battery performances and is mass-producible.
KAUST researchers have developed a process for two-dimensional anodes made from tin selenide, which stores sodium ions through a dual mechanism involving conversion and alloying reactions. This results in the highest reported energy density of any transition metal selenide.
Researchers have created a low-cost, high-energy lithium-ion battery anode material using diatomaceous earth, paving the way for more sustainable and efficient electric vehicle batteries. The discovery could lead to improved adoption of electric vehicles by reducing costs and increasing energy storage capacity.
A novel 3D porous aluminum-graphite battery exhibits excellent long-term cycling stability of over 1000 cycles with 89.4% capacity retention at 2C current rate. The design features a uniform carbon layer, alleviating mechanical stress and surface reactions.
Researchers at University of Toronto have created a biologically-derived battery that stores energy in flavin from vitamin B2, a green alternative to traditional lithium-ion batteries. The battery has high capacity and high voltage, making it suitable for powering next-generation consumer electronics.
Researchers at UCR developed a silicon-tin nanocomposite anode that triples charge capacity and extends battery life. The new material enables longer-lasting rechargeable batteries with improved performance and scalability.
Researchers improved understanding of the process that stops reactions in solid oxide fuel cells (SOFCs), a clean energy technology that has struggled to gain wide acceptance. The study found that an electric field can prevent failures and improve system performance by capturing the complexity of the triple-phase boundary.