Articles tagged with Electrochemistry
Researchers at Yonsei University have developed a groundbreaking fluoride-based solid electrolyte that enables all-solid-state batteries to operate beyond 5 volts safely. The innovation allows spinel cathodes to operate efficiently and retain over 75% capacity after 500 cycles.
Researchers at Helmholtz-Zentrum Berlin have published an overview of hybrid electrocatalysis, a method that produces both green hydrogen and valuable organic compounds. Advanced methods such as X-ray absorption and differential electrochemical mass spectrometry enable real-time analysis of complex catalytic reactions.
Researchers have created a novel three-dimensional porous structure that improves the lifespan and safety of lithium-metal batteries. The design allows for uniform lithium deposition, reducing the risk of internal short-circuits or explosions.
Researchers have developed a novel strategy for efficient CO₂ conversion, achieving a mass activity 3.77 times higher than pristine CoPc. The new catalyst, pyridinic-N incorporated phthalocyanine (CoTAP), demonstrates superior performance with less catalyst.
A new study reveals that the strength of carbon monoxide adsorption energy relies on a mix of reaction factors, including catalyst material and voltage. This insight can guide the design of more efficient catalysts to convert CO2 into useful fuels like methanol and ethanol.
Researchers at Stanford University have developed a new observation method that improves the outlook for lithium metal batteries without introducing chemical reactions. The technique, called cryo-XPS, allows scientists to study the critical protective layer of lithium anodes without altering it.
The researchers developed a novel facet-guided metal plating strategy using Zn as the host metal, which promotes uniform metal growth and suppresses dendrite formation. The strategy improved battery stability, retaining 87.58% of its initial capacity over 900 cycles.
Researchers from Chiba University have discovered a way to reduce platinum requirements in water electrolysis by adding purine bases, increasing hydrogen evolution reaction activity by 4.2 times. This development could make hydrogen production far more affordable and lead to cost reductions and improved energy conversion efficiency.
Researchers have devised a battery powered by vitamin B2 (riboflavin) and glucose, generating an electrochemical flow from the energy stored in the sugar. The system offers a promising pathway toward safer and more affordable residential energy storage using non-toxic components.
A team of researchers from Tokyo University of Science has discovered a new approach to enhance air and water stability in sodium-ion batteries by doping with calcium ions. The study shows that Ca-doped NFM exhibits high stability, improved rate of performance, and high discharge capacity.
Researchers developed a multiphysics model that couples electrochemical and mechanical dynamics in all-solid-state batteries. The model enhances interfacial stability and lithiation kinetics by regulating electrochemical potential gradients.
Researchers have developed a novel electrolyte design for potassium-ion batteries using fluorinated triethyl phosphate, enabling fire-retardant and high-performance electrodes. The electrolyte supports reversible potassium storage in graphite anodes and addresses key barriers in PIB commercialization.
Researchers analyze the 'dead Mn' dilemma in MnO2 chemistry, proposing strategies to enhance electrochemical reversibility and cycling stability. Mitigation approaches include optimizing deposition conditions, regulating proton supply, and reactivating inactive species using redox mediators.
Researchers developed a new diagnostic metric called State of Mission (SOM) to predict EV battery performance based on both battery data and environmental factors. SOM significantly reduced prediction errors compared to traditional methods.
Hanbat National University researchers have developed a new method for enhancing the performance of solid oxide fuel cells by inducing cobalt exsolution in high-temperature oxidizing atmospheres. This process results in improved electrochemical properties and higher oxygen reduction reaction activity, making it a promising direction fo...
MIT researchers have developed a new model that explains lithium intercalation rates in lithium-ion batteries. The model suggests that lithium intercalation is governed by coupled ion-electron transfer, which could enable faster charging and more controlled reactions.
A new membrane developed by Rice University selectively filters out lithium from brines, achieving high selectivity and using considerably less energy. The membrane's design can be adapted for other valuable minerals like cobalt and nickel, and its durability makes it suitable for large-scale synthesis.
Researchers at the University of Illinois Grainger College of Engineering have developed a single-step battery cathode recycling process that simultaneously extracts metals from old cathodes and creates new ones. The method outperforms existing techniques in terms of economic efficiency, environmental impact, resource usage, and human ...
A new deep learning approach, Electrode Net, accelerates the design of porous electrodes in electrochemical devices, achieving high accuracy and speed. The method outperforms traditional models on benchmarks, enabling rapid screening of large design spaces.
Researchers developed a platform called CRESt that incorporates insights from literature, chemical compositions, and imaging to optimize materials recipes. CRESt uses robotic equipment for high-throughput testing and large multimodal models to further optimize materials recipes.
Researchers developed chloride-resistant Ru nanocatalysts to overcome limitations in seawater electrolysis. The g-C3N4-mediated pyrolysis strategy creates a crystalline-amorphous junction with ultrafine Ru dispersion, enabling efficient and durable hydrogen production.
Researchers developed a scandium doping technique that improves the stability and cycle life of sodium-ion battery cathodes. The study found that Sc doping modulates the structure, preserving cooperative Jahn-Teller distortion and superstructure, and prevents side reactions with liquid electrolytes.
Researchers at DTU Energy and DTU Construct developed a new fuel cell design using 3D printing and gyroid geometry for improved surface area and weight. The Monolithic Gyroidal Solid Oxide Cell delivers over one watt per gram, making it suitable for aerospace applications.
Researchers introduce powerful in-operando 2D X-ray diffraction imaging techniques to visualize CO2 electrolyzer operations. The study reveals that salt forms more extensively in channel regions, driving local reactions and salt growth.
A newly developed mesoporous WO₃ film exhibits exceptional efficiency and stability for photoelectrochemical water splitting, enabling advanced tandem devices for renewable hydrogen production. The film achieved unprecedented efficiency and long-term stability, particularly in neutral pH conditions.
Researchers at the University of Pennsylvania have discovered a way to synthesize new multi-metal 2D materials by adding up to nine metals into the mix. This finding opens up possibilities for designing materials with precisely controlled properties for diverse applications.
Researchers mapped how boride film thickness shapes electrochemical performance in all-solid-state thin-film lithium batteries. Thinner films deliver higher capacity and stable cycling, while thicker films suffer from polarization and fading redox activity.
A novel LiF@spinel dual-shell coating has been developed to stabilize lithium-rich cathodes, enhancing cycle life and performance. The coating combines rapid ion transport and a protective barrier, preventing surface collapse and extending battery lifespan.
MIT researchers developed a sustainable electrolyte that quickly breaks down when submerged in organic solvents, allowing for easy recycling of components. The new material could revolutionize the battery industry by simplifying the recycling process and reducing electronic waste.
A team of researchers has discovered a novel oxide material that can produce high-efficiency clean hydrogen using only heat. The discovery was made possible by a new computational screening method and has the potential to transform industries such as methane reforming and battery recycling.
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.
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.
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 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.