Articles tagged with Anodes
Researchers from Chinese Academy of Sciences have doubled lithium storage capacity in hard carbon anodes by exploring lithiation boundary parameters. The study reveals the dual effect of lithium intercalation and reversible lithium film as key to high-reversible capacities.
Texas A&M researchers have found a significant increase in energy storage capacity of water-based battery electrodes, paving the way for safer and more stable batteries. The discovery could provide an alternative to lithium-ion batteries, which are facing material shortages and price increases.
Researchers have used crab shells to create anode materials for sodium-ion batteries, which could lead to more sustainable battery technologies. The team found that the porous structure of the crab carbon provided a large surface area, enhancing its conductivity and ability to transport ions efficiently.
Researchers have developed a novel and cost-effective anode catalyst that can improve and stabilize power generation performance of MFCs treating vegetable oil industry wastewater. The study investigates modification of electrodes to increase bacterial adhesion and efficient electron transfer.
A team of Japanese researchers has developed a novel approach to enhance the fast-charging ability of lithium-ion batteries using a binder material that promotes Li-ion intercalation of active material. This results in high conductivity, low impedance, and good stability, reducing the concentration polarization of Li+ ions.
Researchers have made progress toward fast-charging lithium-metal batteries by growing uniform lithium crystals on a lithiophobic nanocomposite surface. This approach enables charging in about an hour, competitive with today's lithium-ion batteries and overcoming a significant roadblock to widespread use.
Researchers at North Carolina State University used a new laser technique to improve the performance of lithium-ion batteries. The technique creates tiny defects in graphite material, which can enhance battery performance, increase current capacity by up to 20%, and reduce the risk of fires. However, excessive defects can lead to probl...
Researchers at KAUST developed a high-efficiency metal-free battery using ammonium cations as charge carriers, outperforming existing analogues with a record operation voltage of 2.75 volts. This breakthrough provides potential for lowering battery costs and enabling large-scale applications.
Researchers at Pusan National University have developed a highly efficient sodium-ion battery anode using quinacridones, exhibiting high rate capability and excellent cycle stability. The new material is cost-effective and sustainable, offering a promising alternative to traditional graphite anodes.
Researchers at the University of Chicago's Pritzker School of Molecular Engineering have used a combination of electron microscopy and computational modeling to understand how lithium-ion batteries degrade. They found that variation between areas of the battery, particularly electrolyte corrosion, leads to faster degradation.
Researchers have developed a new process to recycle and recondition graphite anodes in lithium-ion batteries, reducing environmental impact. The 'flash' Joule heating process recovers critical metals and enhances the performance of recycled anodes.
The study reveals that strong exothermic reactions between dendritic lithium and dissolved higher-order polysulfides drive the temperature rise of deeply cycled lithium-sulfur pouch cells. Inhibiting the polysulfide shuttle is essential to improve thermal safety.
Researchers at HPSTAR have successfully synthesized a three-dimensional crystalline carbon nanothread (CNTh) from 2,5-furandicarboxylic acid (FDCA), a biomass precursor. The resulting CNTh shows excellent electrochemical performance as an anode material for lithium batteries.
Researchers at Nanyang Technological University have developed a technique to convert waste paper into lithium-ion battery electrodes, reducing greenhouse gas emissions and increasing durability. The new method uses carbonisation and laser cutting to create reusable batteries with superior properties.
Researchers from Japan and India developed hierarchical nanosheets of titanium diboride as anode material for lithium-ion batteries, achieving high discharge capacities and fast charging rates. The breakthrough showcases the potential of nano-scaling bulk materials to attain promising properties in energy storage.
A KAUST-led team creates selective anode catalysts for stable and efficient hydrogen evolution in seawater splitting. The nanoreactors exhibited high electrocatalytic activity and stability due to their unique structure, isolating the electrolysis from side reactions.
Engineers at Rice University have discovered a method to make oxygen evolution catalysis in acids more economical and practical. They replaced rare and expensive iridium with ruthenium, a far more abundant precious metal, as the positive-electrode catalyst in a reactor that splits water into hydrogen and oxygen.
Marc-Antoni Racing has licensed patented energy storage technologies from Oak Ridge National Laboratory for fast-charging batteries in electric vehicles. The technologies aim to break the barrier to fast-charging power-dense lithium-ion batteries, reducing vehicle charging time to under 15 minutes.
A POSTECH research team developed an anode-free lithium battery with a volumetric energy density of 977Wh/L, enabling 630km long battery life on a single charge. The new technology uses an ion conductive substrate to minimize swelling and increase battery capacity.
A research group has developed an innovative methodology to quantify the electrochemical reversibility of a lithium metal anode in practical lithium battery systems. The method enables the precise quantification of active and inactive lithium, allowing for a better understanding of the degradation and failure of Li metal batteries.
Researchers at Rice University have developed a method to create a thin film coating on lithium anodes using powder brushing, which improves battery life and capacity. The coated anodes retained 70% more capacity after 340 charge-discharge cycles than off-the-shelf batteries.
Researchers have designed superfast charging methods tailored to power different types of electric vehicle batteries in 10 minutes or less without harm. By incorporating charging data into machine learning analysis, the team identified and optimized new protocols that significantly increase energy storage while minimizing battery damage.
A new technique discovered by Boise State University researchers can create novel lithium-ion battery materials with exceptional Li storage and fast cycling. The process starts from an amorphous material, like niobium oxide, which is cycled with lithium to induce a transformation to a crystalline material.
Researchers at Japan Advanced Institute of Science and Technology have developed a novel anode material consisting of black glasses grafted silicon microparticles, which shows great promise in enhancing lithium-ion battery performance and energy storage. The material exhibits high lithium diffusion ability, reduced internal resistance,...
Researchers prepared lithiophilic aluminum oxide nanoparticles to enhance rigidity of carbon nanotube arrays, inhibiting dendrite growth and stabilizing the SEI film. The resulting battery exhibited enhanced redox kinetics and long cycle life.
A joint research team proposes a dual-plating strategy to rapidly construct new zinc-bromine microbatteries with ultrahigh areal energy density and polarity-switchable functionality. The method eliminates the synthesis of active materials and avoids mass matching, resulting in record-high areal capacity and energy density.
Researchers at PNNL have developed a sodium-ion battery with greatly extended longevity in laboratory tests. The new electrolyte recipe stabilizes the protective film on the anode and generates an ultra-thin protective layer, providing long cycle life and stability. This technology has potential for applications in light-duty electric ...
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 at Tohoku University have created a method to stabilize lithium or sodium depositions in rechargeable batteries, preventing degradation and short circuiting. This breakthrough paves the way for higher-energy-density metal-anode batteries with improved safety and performance.
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.
Scientists create a bendable organic LED with a mica backing that produces soft, warm light similar to candlelight, with minimal blue wavelength emissions. This device offers a potential solution for sleep-friendly lighting alternatives.
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.
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 at KAUST have developed a low-cost method to generate carbon-free fuels by coating a metal foam with iron and cobalt nanomaterials. The device splits water molecules into oxygen and hydrogen, a potential green fuel, using renewable electricity.
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 from Washington University in St. Louis have discovered that the pore size of a battery separator plays a crucial role in determining the stability and safety of a battery. The study reveals that smaller pores can lead to localized metal ion penetration and increased risk of short circuits.
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 have identified a class of calcium-based cathode materials that show promise for high-performance rechargeable batteries. By running quantum mechanics simulations, the team pinpointed cobalt as a well-rounded transition metal for a layered Ca-based cathode.
A team of scientists from Korea Maritime and Ocean University has developed a novel synthesis route to produce a high-performance co-doped anode material for rechargeable seawater batteries. This breakthrough enables the creation of efficient and sustainable maritime applications, including emergency power supply for coastal nuclear pl...
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 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.
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 at Ural Federal University successfully experimentally determined the optimal thickness of an aluminum layer in a fully solid-state lithium power source. The results will be used to create high-energy batteries with increased operational safety and lower production costs.
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.
Researchers discovered that certain catalyst materials, such as erythrite, improve in performance over time due to restructuring. This process increases the surface area of the material, allowing for more reactions to occur, resulting in higher oxygen yields and doubled electrical current generation.
Researchers developed a novel method to visualize and understand the structural and chemical evolution of silicon and its interface with the electrolyte. This breakthrough could lead to more robust lithium batteries with improved performance and longer cycle life.
Researchers developed a new anode material that prevents volume change in lithium-ion batteries, leading to improved cycle stability and rate capabilities. The material, composed of manganese selenide nanoparticles anchored in three-dimensional porous carbon nanosheet matrix, demonstrates superior electrochemical properties.
Scientists at PNNL have developed a lithium-metal battery that lasts for 600 cycles, significantly longer than previous records. By using thin strips of lithium, the team was able to reduce unwanted side reactions and improve the battery's performance.
Researchers at the National Research Council of Science & Technology have developed a novel anode material for sodium-ion batteries using low-cost silicone-based oil. This material can store 1.5 times more electricity than commercial lithium-ion batteries and maintains its performance even after 200 cycles.
Researchers from the University of Jena have developed a hybrid membrane that prevents lithium dendrites and doubles the battery's lifetime. The membrane uses tiny pores to reduce ion transport, preventing dendrite nucleation.
Researchers at Niigata University have developed a highly efficient nickel sulfide nanowire anode for electrocatalytic water splitting, which reduces the initial energy required for oxygen evolution and accelerates four-electron transfer. This breakthrough enhances long-term performance and stability of electrochemical cells.
Researchers at DGIST have developed a novel approach to creating stable, long-lasting lithium metal batteries using ultrathin lithium particles pre-planted with LiNO3. The resulting batteries showed excellent cycling performance, retaining 87% capacity over 450 cycles and outperforming comparable cells.
Harvard researchers develop a stable solid-state lithium battery that can be charged and discharged at least 10,000 times, increasing the lifetime of electric vehicles to 10-15 years. The battery's multilayer design prevents dendrite growth, allowing for high current density and quick charging.
Bai lab creates a stable, efficient anode-free sodium battery that achieves high performance while eliminating the need for a traditional anode material. The new design uses a thin layer of copper foil as the current collector, resulting in significant improvements in size and cost compared to traditional lithium-ion batteries.
Researchers at Cornell University have developed a new type of battery that uses aluminum, offering up to 10,000 error-free cycles and potentially replacing lithium-ion batteries. This innovative technology could provide a safer and more sustainable alternative for energy storage, addressing the challenges of intermittent solar energy.
Lithium-metal batteries, used in next-gen electronics and electric vehicles, suffer from calendar aging, losing charge even when turned off. The nature of the battery electrolyte significantly impacts aging, with different electrolytes causing varying levels of corrosion and efficiency loss.
A UNIST research team has developed a novel electrolyte additive that enables long lifespan and fast chargeability of high-energy-density lithium-ion batteries. The additive tackles the shortcomings of conventional materials, such as poor mechanical strength and chemical stability.
Researchers at Japan Advanced Institute of Science and Technology developed a novel binder material that protects graphite anodes from degradation, leading to improved battery performance. The new binder outperforms traditional PVDF in terms of mechanical stability, conductivity, and resistance.