Articles tagged with Electrochemistry
The study investigates CO2 reduction to formic acid or formate across a wide pH range, identifying BiPO4 as a stable precatalyst. The electrokinetic data suggest sequential electron and proton transfers, with cations actively participating in the reaction.
Scientists have discovered a new type of metal oxide that can breathe oxygen at relatively low temperatures. This unique ability makes it ideal for real-world applications in clean energy technologies, including fuel cells and energy-saving windows.
Researchers from Tohoku University have discovered a new material that can conduct both protons and electrons efficiently at intermediate temperatures. The material, titanium dioxide doped with niobium, enhances proton conductivity by up to 10 times, making it suitable for next-generation fuel cells and hydrogen separation membranes.
Researchers at the University of British Columbia have demonstrated that electrochemically loading a solid metal target with deuterium fuel can increase fusion reaction rates by an average of 15%. The approach uses a room-temperature reactor and achieves this boost without generating heat, paving the way for clean energy generation.
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.
Researchers developed a borate-water-based electrolyte that enables safe, fast-charging lithium-ion batteries under ambient conditions. The new technology also offers direct recycling of active materials through water dispersal, ensuring a sustainable approach to battery production.
Scientists found that ionic liquids, formed from sulfuric acid and organic compounds, could persist on planets too warm for water to exist. This discovery increases the habitability zone for rocky worlds, suggesting life might be possible without water.
Scientists at Kyushu University have created a solid oxide fuel cell that operates at a low temperature of 300°C, overcoming a major hurdle in their development. The breakthrough uses scandium to create a 'ScO6 highway' for protons to travel efficiently, enabling the production of affordable hydrogen power.
Researchers developed a new method to activate water-splitting catalysts at an oven temperature of just 300 °C, boosting oxygen evolution efficiency by nearly sixfold. This breakthrough enables large-scale energy storage and conversion using solar and wind power.
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.
A novel heterojunction nanoparticle filler, TiO2@Zn/Co-ZIF, enhances the ionic conductivity and interfacial stability of PVDF-based composite solid-state electrolytes. The resulting electrolyte demonstrates exceptional performance in Li-ion batteries, including high conductivity and lithium-ion transference numbers.
Researchers have developed new coarse-grained (CG) models to simulate ionic liquids (ILs), addressing their high viscosity in molecular dynamics simulations. These models offer deeper insights into IL structure-property relationships and enable applications in biological and electrochemical systems.
Researchers unveiled the link between solid electrolyte interphase structure and nitrogen reduction to ammonia, a promising eco-friendly approach to fertilizer production. The study reveals that ethanol-to-water ratio in the electrolyte significantly impacts ammonia conversion efficiency.
Researchers have developed a novel catalytic system that enhances hydrogen oxidation reaction efficiency, paving the way for more efficient and durable anion exchange membrane fuel cells. The system balances hydrogen adsorption binding energy and hydroxyl adsorption energy, improving overall efficiency.
A novel strategy for modulating crystalline-amorphous composites and electronic structures has been developed to enhance the hydrogen evolution reaction. The NiMo-NiMoO x electrocatalyst exhibits remarkable HER catalytic properties and durability, requiring a low overpotential of 30 mV at high current density.
A study by USP and Sapienza Università di Roma researchers has synthesized fullerenes with up to 190 carbon atoms using an electrochemical route. The process involves natural graphite, ethanol, water, and sodium hydroxide under ambient conditions, paving the way for new organic synthesis and technological applications.
Researchers have developed solid-state batteries that can charge in a fraction of the time and pack more energy into less space than traditional lithium-ion versions. These batteries use stable solid materials instead of liquid electrolytes, enabling faster charging, reduced safety risks, and improved efficiency.
A novel mathematical framework enables precise control over multiple descriptors in high-nickel cathodes, improving mechanical and structural stability. The approach yields significantly improved electrochemical performance and minimal particle cracking, leading to safer consumer electronics and more reliable electric vehicles.
Researchers stabilize β-NaMnO2 electrodes by Cu doping, reducing capacity loss and enabling enhanced cycle stability. The study advances understanding of phase transitions in Na-based oxides, paving the way for sustainable energy storage solutions.
Researchers at WVU have designed a fuel cell that can switch between storing and generating electricity, making it suitable for balancing an overwhelmed US electrical grid. The new design, called conformally coated scaffold, stays stable even at high temperatures and humidity levels.
Researchers at KAIST develop a 'pedestrian-friendly smart window' technology that reduces heating and cooling energy consumption in urban buildings while resolving light pollution issues. The RECM system operates in three modes, allowing for real-time adjustment of light and heat transmission.
A team of researchers from Shibaura Institute of Technology, Japan, has developed a novel fluorinating quaternary ammonium complex with extremely low hygroscopicity, making it an excellent reagent for electrochemical fluorination. The new agent was synthesized by combining KF with tetrabutylammonium bromide and showed promise in pharma...
Researchers at Seoul National University have developed a novel water electrolysis operation strategy that can produce green hydrogen without complex catalyst manufacturing processes. The 'Electrochemical Activation' method allows for high-efficiency and long-lasting hydrogen production using commercial nickel electrodes, eliminating t...
Researchers at Politecnico di Milano have developed a system that allows bacteria to sense light and convert it into electrical signals without genetic modification. This method has the potential to develop next-generation antimicrobial platforms and biocompatible 'bacterial robots' for targeted drug delivery.
Researchers at Pohang University of Science & Technology have developed a novel iron-based catalyst that more than doubles the conversion efficiency of thermochemical green hydrogen production. The new catalyst, iron-poor nickel ferrite (Fe-poor NiFe2O4), enables significantly greater oxygen capacity even at lower temperatures.
Researchers from Xiamen University have developed a novel high-temperature shock method to synthesize SACs, achieving copper loading of 0.54 wt%. The study introduces a rapid and effective energy input approach for atomicization synthesis, overcoming challenges in traditional pyrolysis methods.
Researchers at MIT have developed a new fuel cell that can carry three times as much energy per pound as current EV batteries, offering a lightweight option for electrifying transportation systems. The technology has the potential to enable electric aviation and other sectors like marine and rail transportation.
Researchers developed amorphous Ni-Fe mixed oxides using sol-gel method to enhance oxygen evolution reaction (OER) activity and operational durability in anion exchange membrane water electrolyzers (AEMWEs). The material demonstrated optimal OER performance, achieving a low overpotential of 291 mV and remarkable stability.
Researchers developed a simple, economical and environmentally friendly purification method for mullite-type bismuth ferrite, improving its efficiency in producing green hydrogen. The process uses light and glycerol to eliminate unwanted compounds, resulting in high-purity material suitable for photoelectrochemical reactions.
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.
Researchers from the University of Oklahoma have made significant breakthroughs in protonic ceramic electrochemical cells (PCECs), addressing challenges in manufacturing and efficiency. A new approach eliminates cerium-based materials, allowing pure barium zirconate-based electrolytes to remain stable at record-low temperatures.
Researchers at TUM have developed a new material that exceeds existing records for ion conductivity in solid-state batteries by incorporating scandium into a lithium antimonide compound, creating specific gaps for easier lithium movement
Researchers discovered that metal fatigue in the anode is the primary cause of solid-state battery failure, leading to microcracks and dendrite growth. The study provides a predictable framework for designing longer-lasting batteries using established mechanical laws.
Researchers at Tsinghua University developed a ball milling-assisted technique to revitalize aged LiCoO₂ cathodes, achieving high discharge capacity and initial Coulombic efficiency. The method offers compelling advantages over conventional recycling pathways in terms of efficiency, cost, and environmental footprint.
Researchers have developed a new approach to optimize the performance of aqueous zinc-ion batteries by designing electrolyte additives with stereoisomeric structures. The study found that certain additives exhibit stronger adsorption capacities and can promote uniform charge distribution, leading to improved battery lifespan.
Researchers have developed self-healing materials for electrodes, electrolytes, and encapsulation layers to restore performance and extend battery lifespan. The technology has the potential to revolutionize consumer electronics, electric vehicles, and renewable energy storage systems with improved safety and reliability.
Researchers have developed a new sensor to detect hazardous gas leaks in lithium-ion batteries, which could prevent catastrophic failures and enhance the reliability of battery-powered technologies. The sensor detects trace amounts of ethylene carbonate vapour, targeting potential battery failures before they escalate into disasters.
A collaboration between Japanese, Korean, and American researchers found that larger cations suppress platinum dissolution compared to smaller cations. The study reveals a 'cation effect' influencing electrode durability.
Researchers have developed cost-effective and efficient water-splitting catalysts using cobalt and tungsten, which surprisingly increase in performance over time. The unique self-optimization process involves changes in the chemical nature of the catalyzing oxide, leading to improved activity and reduced overpotentials.
Researchers have developed a novel electrochemistry approach to build new molecules using micelles from naturally occurring amino acids and coconut oil. This breakthrough method could reduce the cost of making medicines by combining solvents, electrolytes, and reaction boosters into one simple tool.
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.
University of Missouri researchers developed a solution to improve solid-state battery performance by understanding the root cause of issues. They used 4D STEM to examine atomic structures without disassembling batteries, ultimately determining the interphase layer was the culprit.
Recent developments in bismuth-based catalysts for electrochemical CO2 reduction to formate highlight their potential as a promising strategy. Advances include the use of innovative synthesis techniques and engineering to attain high cathodic current densities.
Scientists from SANKEN at Osaka University created an electrically controlled nanogate that can be tailored for specific molecules. The gate's diameter was adjusted using voltage, leading to distinct ion transport behaviors. This technology has the potential to enable precise control over molecule transport and reaction systems.
The study introduces a game-changing concept in dual-mode display design by uniting luminescence and coloration within a single device. The device leverages smectite clay to stabilize europium(III) complexes for vibrant luminescence and heptyl viologen derivatives for striking color changes.
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 unveiled an innovative system that outperforms conventional filtration methods by combining microbial electrochemical technologies with enhanced biodegradation processes. The biofilter demonstrates significant removal of pharmaceuticals and herbicides, altering their chirality to influence toxicity and biodegradability.
Scientists have identified a metal-free carbon-nitrogen carbon-type hybrid electrocatalyst, CN@C, that enhances the selectivity of hydrogen peroxide production through an electrocatalytic oxygen reduction reaction. The findings show that CN@C outperforms other catalysts in terms of stability and durability.
Researchers at Case Western Reserve University have developed high-performance, low-cost zinc-sulfur batteries with enhanced energy capacity, improved conductivity and stability. These advancements address long-standing safety concerns and enable smaller, longer-lasting designs.
Chemists at Ohio State University have developed a novel way to capture and convert carbon dioxide into methane, utilizing nickel-based catalysts and reducing the need for massive amounts of energy. This breakthrough could pave the way for more efficient climate mitigation technologies and help close the carbon cycle.
A team of scientists at Johannes Gutenberg University Mainz has developed an electrocatalytic conversion technique that converts carbon dioxide into ethanol. The cobalt-copper tandem system achieves selective conversion with an 80% yield, opening up a sustainable method for chemical applications and food conservation.
Combining visible light with electrochemistry improves CO2 conversion rates and selectivity, enabling the production of valuable products such as carbon monoxide and hydrogen. The study's findings have significant implications for catalysis research and industrial applications.
Researchers developed a wearable sensor using single-atom materials to detect uric acid, a biomarker for various health conditions. The sensor offers improved sensitivity and selectivity compared to conventional nanomaterials.
Scientists have developed an electrochemical approach using catalysts derived from used lithium-ion batteries to produce hydrogen peroxide. The method utilizes carbon nanostructures and cobalt, displaying catalytic properties in oxygen reduction reactions.
Researchers have developed a lithium-sulfur battery with improved iron sulfide cathode, retaining capacity over 300 charge-discharge cycles. The battery also withstands physical stress, including folding or cutting, making it safer and more efficient.
Researchers found that biological condensates, previously overlooked cellular structures, play a significant role in modulating cell activity and influencing global traits such as antibiotic resistance. These 'blobs' can separate or trap proteins and molecules, affecting cellular behavior and electrochemical processes.
Researchers create silver nanoparticles infused with azithromycin that effectively break down biofilms and unveil a new sensing method to assess antimicrobial activity. The novel approach offers a promising solution against antibiotic-resistant bacteria, with potential applications in coating medical devices.
Researchers have developed a cost-effective and easily reproducible point-of-care testing device that can accurately measure cortisol levels in the blood. The device uses iridium oxide nanoparticles to improve stability, sensitivity, and selectivity, allowing for commercial use.
Researchers from UNSW used magnetic fields to study singlet fission, a process that breaks light particles into smaller chunks, increasing efficiency. The study could lead to improved silicon solar cell technologies, potentially achieving over 30% efficiency and reducing energy costs.
Researchers from Ruhr University Bochum elucidate the mechanism of hydrogen peroxide formation in water electrolysis by adding carbonates. The presence of hydrogen carbonate in the electrode vicinity facilitates the production of hydrogen peroxide, reducing unwanted oxygen formation.