Articles tagged with Anodes
Researchers developed a design manual to turn commercial Zn foil into ultra-stable anodes through simple, low-cost inorganic coatings. The coatings suppressed dendrite growth and hydrogen evolution, increasing cell lifespan and areal capacity.
Researchers developed an anode-free lithium metal battery that delivers nearly double driving range using the same battery volume. The battery's volumetric energy density of 1,270 Wh/L is nearly twice that of current lithium-ion batteries used in electric vehicles.
A new hybrid anode technology has been developed that delivers higher energy storage while reducing thermal runaway and explosion risks. The 'magneto-conversion' strategy applies an external magnetic field to ferromagnetic manganese ferrite conversion-type anodes, promoting uniform lithium ion transport and preventing dendrite formation.
A new gradient anode design addresses key challenges in sodium batteries, achieving high-energy-density and stable performance. The symmetric cell demonstrates ultralong cycle life and unprecedented energy density of 200 Wh kg-1.
Rice University researchers outline emerging solutions to make graphite production cleaner and more resilient, including synthetic graphite from renewable sources. The study emphasizes the critical role of graphite in energy storage technologies and the need for sustainable supply chain management.
Researchers at South China University of Technology develop a method to solve unstable anode:electrolyte interfaces using digital light processing (DLP) 3D printing. The resulting batteries retain over 91% capacity after 8,000 cycles and achieve stable cycling over 2,000 hours.
Researchers have developed a groundbreaking approach to modifying the interfacial chemistry of hard carbon anodes, improving their sodium storage capacity and rate performance. This breakthrough could unlock the full potential of sodium-ion batteries, making them viable options for large-scale energy storage and electric vehicles.
A new study introduces two-dimensional biphenylene oxide as a promising candidate for next-generation metal-ion batteries, offering high energy density and storage capacity. The material's unique properties make it an exceptional alternative to traditional materials like graphite.
Researchers at Chungnam National University developed a new ultra-thin protective layer using polyacrylic acid to prevent dendrite growth and enhance battery performance. The zinc-bonded polyacrylic acid coating proved remarkably durable, resisting dissolution in aqueous solutions and promoting uniform distribution of zinc-ions.
The study introduces a modified electrolyte LPSC-5%Li3PO4 with enhanced chemical/electrochemical stability, demonstrating an ionic conductivity of 5.71 mS cm–1 and suppressing dendrite growth. The PO43- doped electrolyte exhibits excellent mechanical stability and good compatibility with lithium metal.
Researchers at POSTECH have developed an interlocked electrode-electrolyte system that forms covalent chemical bonds between the electrode and electrolyte, maintaining long-term stability. The IEE-based pouch cell demonstrated significantly higher energy density compared to traditional lithium-ion batteries.
A team of researchers has successfully observed the distribution of elements in a lithium button cell during 10,000 charge cycles using non-destructive X-ray methods. The study reveals that manganese dissolves from the NMC cathode and migrates to the carbon anode, leading to further reactions and processes.
Researchers have discovered a new shape for energy storage using cone and disc carbon structures, which can store large ions like sodium and potassium efficiently. The discovery could lead to more affordable and sustainable battery technologies, reducing reliance on lithium.
Researchers developed a novel anode material combining hard carbon with tin, enhancing energy storage and stability. The composite structure shows excellent performance in lithium-ion and sodium-ion batteries, promising applications in electric vehicles and grid-scale energy storage.
Researchers developed a Li x Ag alloy anode that addresses interface issues in garnet-type solid electrolytes, enabling higher energy density and safety. The alloy creates a pathway for lithium ions with dramatic enhancement of diffusion kinetics.
Researchers develop a gel polymer electrolyte with a localized high-concentration solvation structure, enabling solid-state batteries to operate at 4.7 V with high energy density and cycling stability. The new electrolyte also exhibits exceptional safety characteristics, including no electrolyte leakage or combustion.
A new phenomenon in modern batteries has been discovered by Texas Engineers, which could improve their life cycles. Researchers found a temporary version of the film that forms on the metal anode during discharge speeds and dissolves back into the battery when finished.
A novel artificial solid electrolyte interface based on non-coordinating charge transfer significantly improves the stability of aqueous zinc metal batteries. This design enhances cycle life, reduces side reactions, and promotes uniform zinc deposition, leading to improved battery performance.
Researchers investigated Si-C anode's thermal stability through systematic thermal stability tests. They found that floating silicon triggers thermal runaway and optimize electrolyte blending ratios to minimize thermal safety risk. Designs strategies for high-thermal-stable Si-C materials are proposed.
A team of researchers, led by Kelsey Hatzell from Princeton University, has made breakthroughs in developing anode-free solid-state batteries. These batteries have the potential to store more energy in less space and operate with high performance at a wider range of temperatures.
Researchers developed a conjugated phthalocyanine framework with enhanced electron-withdrawal properties and flexibility, leading to improved capacities, rate capabilities, and cyclic stability in high-voltage lithium metal batteries. The framework also showed longer operating life and higher capacity retention.
Researchers found that applying external pressures can alleviate Li loss and battery degradation by alleviating SEI aggregation. Pressure regulation can rejuvenate I-iLi, reducing its content and Li loss. The study suggests a promising approach for advancing practical Li metal batteries.
A new buried interface engineering strategy has been proposed to stabilize zinc anodes in aqueous zinc-ion batteries. The approach involves embedding a zincophilic Sn layer within a corrosion-resistant ZnS layer, which accelerates zinc deposition and shields the anode from corrosion.
Scientists introduce a novel approach to construct robust electrode/electrolyte interphase layers on both cathode and anode of aqueous zinc batteries. The use of glutamate additives enables efficient suppression of undesirable side reactions, leading to improved electrochemical performance and cycling stability.
Researchers at TUM developed a new protective layer for zinc anodes, addressing issues like zinc dendrites and hydrogen formation. The layer enables efficient zinc ion flow through nano-channels, extending battery lifespan by hundreds of thousands of cycles.
Researchers at Worcester Polytechnic Institute have discovered a new method to create high-performance alkaline batteries using iron and silicate. The process suppresses hydrogen gas generation, improving the energy efficiency of battery systems.
Researchers at Japan Advanced Institute of Science and Technology developed a densely functionalized polymeric binder for high-performance lithium and sodium-ion batteries. The new material showed exceptional electrochemical performance, high capacities, and great cycle stability.
Researchers at Argonne National Laboratory have validated a cathode hydrogenation mechanism as the cause of self-discharge in lithium-ion batteries. This discovery could lead to the development of smaller, lighter and cheaper batteries with improved lifespan.
Researchers have developed low-cost micro-sized silicon anodes from recycled photovoltaic waste using a novel electrolyte design. The new anodes exhibit remarkable electrochemical stability, maintaining an average coulombic efficiency of 99.94% after 200 cycles. This breakthrough addresses the major challenges facing micro-sized silico...
Researchers have developed a novel perovskite-based anode material with mixed hole–proton conduction, achieving high efficiency at low and medium temperatures. The breakthrough could pave the way for important technological advancements in energy technologies.
Concordia researchers develop micro photosynthetic power cells that harness algae's photosynthesis to generate electricity. The system can power low- and ultra-low power devices like IoT sensors, removing carbon dioxide from the atmosphere and producing only water as a byproduct.
Researchers developed a novel air-handleable garnet-type solid electrolyte technology that improves surface and internal properties, preventing contamination layer formation. This innovation enables the creation of ultra-thin lithium solid-state batteries with high energy density and low weight.
Researchers have created a new polyfumaric acid binder to improve the performance of hard-carbon electrodes in sodium-ion batteries. The new binder shows improved Na ion diffusion, long-cycle stability, and enhanced durability.
Researchers developed polymeric protective films to improve anode interface stability in sulfide-based all-solid-state batteries. The films, made from various polymers, showed improved interfacial stability and high-capacity retention rates after multiple cycles.
Researchers at Pohang University of Science & Technology developed a hybrid porous structure using polyvinyl alcohol, enabling uniform lithium electrodeposition. The new design facilitated the transport of lithium ions, reducing 'dead Li' areas and internal short circuits, resulting in high stability after 200 charge-discharge cycles.
Columbia Engineers employ nuclear magnetic resonance spectroscopy to examine lithium metal batteries. Their findings may help design new electrolytes and anode surfaces for high-performance batteries, addressing the challenges of commercializing lithium metal batteries.
A recent study found that pulsed charging improves lithium-ion battery stability and lifespan. The study, led by Philipp Adelhelm, demonstrated that high-frequency pulsed current reduces ageing effects and structural changes in the electrode materials, leading to a doubled cycle life with 80% capacity retention.
A research team developed an anode protection layer to prevent random electrodeposition of lithium, promoting stable 'bottom electrodeposition' and reducing unnecessary consumption. The breakthrough results in all-solid-state batteries with stable electrochemical performance over extended periods using ultrathin lithium metal anodes.
Scientists have developed a functional binder for silicon oxide electrodes used in lithium-ion batteries, enhancing electrochemical performance and durability. The new binder outperforms conventional options, offering improved alternatives for electric vehicles.
Rice University researchers have developed a new, energy-efficient process to upcycle glass fiber-reinforced plastic (GFRP) into silicon carbide, widely used in semiconductors and sandpaper. The method involves heating the mixture of GFRP and carbon to extremely high temperatures, transforming it into conductive silicon carbide.
Researchers have made significant advancements in silicon-based anode materials for lithium-ion batteries, including the development of binders, composites, and electrolytes. However, Si-based anodes still face challenges such as volume expansion, lower electrical conductivity, and inconsistent kinetics reaction.
Researchers successfully improved lithium metal battery charging rates by adding a cesium nitrate compound, while maintaining long cycle life. The new findings challenge conventional beliefs about effective interphase components and contribute to the development of high-energy density batteries.
Researchers have made significant strides in understanding the relationship between hydrogen partial pressure and PEMFC performance, revealing a pronounced decline in performance as hydrogen partial pressure decreased. The study aims to simplify fuel cell quality testing, cost reduction, and reduced safety requirements.
An international team at DTU has increased the durability of CO2 electrolyzers, enabling the conversion of captured CO2 into valuable green chemicals like ethylene and ethanol. The breakthrough could play a significant role in the green transition by reducing global CO2 emissions
Recent research highlights the excellent electrochemical performance of critical 3D printing materials in rechargeable batteries. The study outlines the typical characteristics of major 3D printing methods used in fabricating electrochemical energy storage devices and discusses crucial materials for 3D printing of rechargeable batterie...
Researchers propose analysis protocol to evaluate feasibility of silicon-containing batteries with reduced particle size and uniform dispersion. The study finds promising results from innovative synthesis technology and initial efficiencies exceeding 90% with improved lifespan characteristics.
Researchers at Rice University have developed a high-yield, low-cost method for reclaiming metals directly from mixed battery waste. The new process uses the 'flash' technique to separate critical metals, reducing energy and acid consumption by up to 100-fold and lowering carbon dioxide emissions.
Metal organic framework nanosheets were found to optimize the morphology and texture of zinc anodes, reducing dendrite formation and side reactions. This enables efficient ion flux decoupling and improves cycling performance at both low and high rates.
Researchers have developed a highly efficient organometal halide perovskite photoanode that suppresses internal and external losses associated with photoelectrochemical water splitting, enhancing reaction kinetics. The new design achieves an unprecedented applied bias photon-to-current conversion efficiency of 12.79%.
Scientists at Argonne National Laboratory discovered a new fluoride electrolyte that can protect lithium metal batteries against performance decline. The electrolyte maintains a robust protective layer on the anode surface for hundreds of cycles, enabling the battery to last longer.
Researchers at Washington University in St. Louis have developed an electrochemical device that can recover phosphorus fertilizer from municipal waste with high efficiency. The device achieved over 93% efficiency in recovering phosphorus and precipitating approximately 99% of it into solid form.
A low-cost catalyst developed by Argonne National Laboratory can produce clean hydrogen from water at a lower cost, making it an ideal choice for replacing fossil fuels and reducing greenhouse gas emissions. The new catalyst uses cobalt instead of expensive iridium, significantly reducing the cost and increasing efficiency.
A team at Tohoku University has created a prototype calcium metal rechargeable battery that can handle 500 cycles of charging and discharging. The breakthrough employs a copper sulfide-based cathode and hydride-type electrolyte, demonstrating high stability and performance.
A new research project, LC-H2, will develop next-generation electrodes to boost energy efficiency in electrolysis. This will help reduce grey hydrogen's carbon footprint and increase the share of green hydrogen in European energy systems.
A new fluorine-containing electrolyte has been developed to perform well in sub-zero temperatures, addressing the issue of cold weather affecting electric vehicle battery effectiveness. The research demonstrates how to tailor the atomic structure of electrolytes for low-temperature applications.
Researchers at Rice University developed a new priming method to optimize prelithiation in silicon anodes, improving battery life cycles by up to 44% and energy density. The method uses stabilized lithium metal particles with surfactants, enabling more stable SEI layer formation and reduced lithium depletion.
Researchers at Tohoku University have developed a zinc-air battery with an open circuit voltage of over 2V, overcoming the major bottleneck for metal-air batteries. By arranging acidic/alkaline electrolytes in tandem, they were able to generate a higher voltage and improve output power density.
Researchers from Dalian Institute of Chemical Physics developed a strategy to inhibit lithium dendrite growth on modified 3D carbon film. Uniform bottom-up Li deposition behavior was achieved, enabling stable lithium stripping/plating cycling up to 4000 hours.
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.