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.
A POSTECH research team developed a groundbreaking strategy to enhance LLO material durability, extending battery lifespan by up to 84.3% after 700 cycles. The breakthrough addresses capacity fading and voltage decay issues.
Researchers have developed a new strategy to increase the output of liquid thermoelectric converters using organic electrolytes. By breaking down electrolyte resistance into its components, they reduced resistance and demonstrated a prototype with equal or greater output than aqueous solutions. The team plans to expand their search for...
Researchers at Nagoya University have developed a novel fuel cell electrolyte concept using phosphonic acid polymers with hydrocarbon spacers. The new membrane exhibits improved water insolubility, chemical stability and conductivity under high-temperature and low-humidity conditions.
Researchers at University of Wisconsin-Madison have invented a water-soluble chemical additive that improves the performance of bromide aqueous flow batteries, making them more efficient and long-lasting. The additive solves issues such as ion leakage and gas formation, enabling the use of these batteries for grid-scale storage.
SwRI researchers developed a tool to model environments expected on icy moons, accounting for organics and predicting conditions for microbial life. The project aims to constrain environmental factors and provide valuable information about ocean worlds.
An international team of scientists identified a surprising factor accelerating lithium-ion battery degradation, leading to reduced charge and potential failure in critical situations. Strategies to reduce self-discharge may include electrolyte additives and cathode coatings to improve battery lifespan.
A Washington State University-led study found a strong link between dehydration and exercise-induced muscle cramps in IRONMAN triathletes. Severe dehydration was associated with an increased risk of muscle cramps, which were more common in athletes who finished the race faster.
Researchers from KAIST have developed a new hydrogen production system that overcomes current limitations of green hydrogen production. The system uses a water-splitting process with an aqueous electrolyte, achieving high energy density and long-term stability.
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 from Qingdao University synthesized VO2@VS2 hollow nanospheres via one-step hydrothermal synthesis, creating a highly efficient cathode material for zinc-ion batteries. The heterostructure enhances battery performance with a reversible capacity of 468 mAh g−1 and 85% retention after 1000 cycles.
Researchers at Argonne National Laboratory have developed innovative electrolytes that can improve the efficiency of electrochemical processes, including steel production. The new electrolytes are designed to reduce greenhouse gas emissions by eliminating energy-intensive blast furnaces.
A new study found that individuals with eating disorders have a higher risk of death and poor health outcomes due to abnormal electrolyte levels. The research, led by ICES and The Ottawa Hospital, included over 6,000 individuals with an eating disorder, revealing that 32% had abnormal electrolyte levels.
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 at Eindhoven University of Technology, in collaboration with MIT and PSI, developed a new method to visualize the inner workings of redox flow batteries using neutron imaging. The technique provides extraordinary moving images that help understand the battery's performance and durability.
Researchers designed a new supercapacitor that can store more energy through electrochemical phenomena, with increased capacitance when exposed to UV light. The device uses ZnO nanorods and liquid electrolyte, enabling fast-charging capabilities and opening doors for innovative applications in electronics.
Researchers at Tokyo Institute of Technology developed a highly selective and efficient glycerol electrooxidation process that converts waste into high-value three-carbon compounds. Higher borate concentrations improved selectivity for these products, reducing the need for additional processing.
A new type of gel developed by MLU chemists improves the safety and service life of lithium-ion batteries. Initial lab studies show that it also enhances battery performance, remaining stable at over five volts.
Researchers at Gwangju Institute of Science and Technology developed a novel nitrogen-doped mesoporous carbon-coated thick GF electrode to suppress the crossover phenomenon in flowless zinc-bromine batteries. The new electrodes effectively prevented self-discharge, improving battery performance and lifespan.
Researchers at ETH Zurich have developed a new method to reduce fluorine in lithium metal batteries, increasing their stability and efficiency. The new design requires only 0.1% by weight of fluorine, reducing the environmental footprint of these high-energy batteries.
Researchers have found that choosing the right electrolyte significantly increases the efficiency of the glycerol oxidation reaction in PEC reactors. The study used a PEC cell with photoanodes made of nanoporous bismuth vanadate and tested acidic electrolytes, finding that certain cations and anions improve photocurrent, stability, and...
Researchers propose a novel hydrogel electrolyte formula that effectively interrupts water clusters and enhances water covalency, resulting in an expanded voltage stability window. The design improves the battery's climate adaptability by regulating Zn solvation and interfacial adhesion.
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 Linköping University have developed a battery based on zinc and lignin that can be used over 8000 times, retaining its charge for approximately one week. The battery is stable and easily recyclable, making it a promising alternative to lithium-ion batteries.
Researchers from NUS have developed a novel technique that converts waste carbon dioxide into value-added chemicals and fuels. The method uses a nickel catalyst and acidic electrolytes, achieving an efficiency rate of over 99%. This innovation has the potential to reduce costs by up to 30% and is adaptable for different industrial needs.
Chinese scientists developed a new three-phase OSW electrocatalytic system for efficient production of high-purity benzaldehyde, achieving 97% Faradaic efficiency and 91.7% purity without post-purification processes. The system uses clean energy and water resources, simplifying product separation and purification.
A new type of aqueous battery is developed with a specific capacity of over 840 Ah/L and an energy density of up to 1200 Wh/L. The battery uses a mixed halogen solution as the electrolyte, enabling a multi-electron transfer reaction that improves kinetic and reversibility.
Researchers have created a more economical and sustainable rechargeable battery using an ultralow-concentration electrolyte. The new electrolyte, based on lithium difluoro(oxalato)borate and ethyl carbonate/dimethyl carbonate, has a record-breaking low salt content while maintaining high ionic conductivity.
SourceWiley·JournalAngewandte Chemie International Edition·TypeExperimental study·DateApr 22, 2024
Researchers developed a novel 'cocktail electrolyte' for commercial LiCoO2, achieving ultra-stable fast-charging and high energy density. The electrolyte exhibited robust interfaces, preventing cathode degradation and enhancing reaction kinetics.
An international team of scientists used quasi-elastic neutron scattering to set a benchmark for a mixture of lithium salt and organic polymer electrolyte. This could enable more energy-dense electrodes and result in more powerful lithium batteries.
Researchers used operando spectroscopy to study the oxygen evolution reaction in iridium oxide catalysts. The team found that binding of reaction intermediates to the electrode was controlled by long-range interactions between the intermediates and the solution, which depended on pH.
Researchers at PNNL have developed a safe, economical, and water-based flow battery made with commercially available industrial quantities of nitrogenous triphosphonate. The new design exhibits remarkable cycling stability over 1,000 charging cycles, outperforming previous iron-based batteries.
The USTC team created a rechargeable, non-aqueous manganese metal battery with halogen-mediated electrolyte, achieving high Coulombic and Faraday efficiencies. The battery demonstrated stable cycling for over 700 hours and showed excellent multiplicity performance.
A new project, NaKlaR, aims to improve the efficiency and sustainability of sodium-ion batteries by optimizing production processes and recyclability. The goal is to develop a battery with performance comparable to current reference cells while containing at least 25% recycled electrode material.
Researchers at Aston University will explore gel electrolyte materials to improve lithium-ion batteries' safety and environmental sustainability. The project aims to replace harmful components with renewable ionogels, addressing the need for scalable methods of storing electrical energy.
Researchers at UNIST have introduced non-solvating electrolytes to significantly improve the performance and lifespan of organic electrode-based batteries. The study achieved remarkable improvements in capacity retention and rate performance, with over 91% capacity retention after 1000 cycles.
A global team of researchers has invented recyclable water batteries that don't catch fire or explode, addressing safety concerns in lithium-ion technology. The batteries use abundant materials like magnesium and zinc, reducing manufacturing costs and environmental risks.
Researchers created a polymer electrolyte membrane with an interpenetrating network that enhances fatigue resistance and prolongs the lifespan of fuel cells. The composite membrane exhibits a lifespan of 410 hours, compared to 242 hours for the original Nafion membrane.
Researchers observe changes in water molecule movement near a metal electrode depending on the magnitude and polarity of the applied voltage. The study provides crucial insights into electrochemical reactions and paves the way for designing more efficient battery technologies.
A computational study conducted by Brazilian researchers found that current density and active species concentration are the main variables affecting capacity loss. The approach successfully mitigated cross-contamination, providing an optimal flow between electrolyte tanks under different operating conditions.
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
Researchers have developed a novel approach to create energy-dense, safe batteries using low-melting alkali-based molten salt electrolytes. This breakthrough could lead to the creation of powerful lithium-metal batteries that operate safely at temperatures as low as 25°C.
Researchers discovered that a new type of electrolyte uses complex nanostructures similar to those in soap to improve battery life. This understanding could lead to the development of lithium batteries that store more energy and last longer.
The team developed poly(triphenyl piperidinium) based high-temperature proton exchange membranes with improved physicochemical properties, demonstrating enhanced proton conductivity and mechanical stability. The membranes showed promising performance in fuel cell applications, with the highest peak power density achieved at 210 °C.
A team of researchers has made breakthroughs in harnessing low-grade heat sources for efficient energy conversion. They developed a highly efficient Thermally Regenerative Electrochemical Cycle (TREC) system that converts small temperature differences into usable energy.
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%.
Researchers at University of Houston develop prototype of fully stretchable fabric-based lithium-ion battery, addressing safety concerns and enabling new applications for wearable technology. The innovation uses conductive silver fabric as a platform and current collector, providing stable performance and safer properties.
A KAUST-led team has developed a proton-mediated approach that produces multiple phase transitions in ferroelectric materials, potentially leading to high-performance memory devices. The method enables the creation of multilevel memory devices with substantial storage capacity, operating below 0.4 volts.
Researchers from Japan and Germany have created an eco-friendly light-emitting electrochemical cell using dendrimers combined with biomass-derived cellulose acetate as the electrolyte and a graphene electrode. The device has a long lifespan of over 1000 hours and is environmentally friendly.
A team of scientists discovered that ions transfer through polymer membranes in hybrid liquid-gas electrolyzers via diffusion, not electromigration. This finding has significant implications for the development of more efficient and environmentally friendly energy technologies.
Researchers develop an ionic device utilizing redox reactions to achieve a high number of reservoir states, enabling efficient complex nonlinear operations. The device demonstrated remarkable performance in solving second-order nonlinear dynamic equations and predicting future values with low mean square prediction error.
Researchers from GIST have developed a hydrotropic-supporting electrolyte to enhance the solubility of organic redox molecules in aqueous systems. This improvement enables the creation of high-energy-density electrochemical capacitors with potential applications in redox flow batteries.
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.
Researchers at HSE MIEM develop mathematical model to enhance supercapacitor electrical capacitance by utilizing polymers with large pore sizes. This enables storing more energy and preventing potential adverse effects.
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 developed a mechanically tough gel electrolyte to protect lithium metal anodes, significantly improving cycling stability. The achievement may facilitate practical use of high-performance lithium metal anodes in batteries.
Researchers are working on a new concept for lithium-air batteries that could lead to significant improvements in energy storage capacity. A collaborative project in Germany aims to test new materials and components to enhance the stability of these battery cells. The goal is to overcome technical challenges such as unstable electrolyt...
Researchers have developed a novel method for recycling valuable metals from spent lithium-ion batteries using spinning reactors. This technology simplifies the extraction-stripping process, allowing for rapid separation of metals in minutes with low concentrations of extractants.
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 have developed an electrolyte to improve the efficiency of CO2 conversion into useful hydrocarbons. The study found that controlling the concentration of the electrolyte is crucial in regulating product formation, with too much potassium leading to clogage and reduced selectivity.