Articles tagged with Electrochemistry
A new study reports a residue-free electrolyte additive, sodium trifluoromethanesulfinate (NaSO₂CF₃), designed to improve initial efficiency, cycle life, and manufacturability in sodium-ion batteries. The additive improved Coulombic efficiency from 82.6% to 96.0% and maintained capacity retention after 600 cycles.
A team of researchers from Science Tokyo has developed a new method to reversibly switch the chirality of semiconductor materials using electrochemistry. This innovation enables the creation of spin-polarized currents in layered non-chiral semiconductors, opening up new directions for developing ultrafast and energy-efficient devices.
A research team has successfully designed a novel electrolyte for fluoride shuttle batteries, which boasts high electrochemical stability and reversibility. The KBF4-containing electrolyte effectively regulates the fluorination reaction, enabling reversible electrode reactions.
Researchers have developed a catalyst material that harnesses the energy of a single photon to reduce carbon dioxide and oxidize organic waste simultaneously. The process achieves high efficiencies of approximately 93% for CO2-to-formate conversion and around 95% for biomass oxidation, showcasing efficient utilization of photon energy.
A new review highlights the potential of biochar's intrinsic redox properties to enhance pollutant degradation, microbial processes, and energy recovery. Biochar can act like an electron shuttle or buffer, transferring electrons more efficiently than highly conductive materials in stressed environments.
Researchers at Lehigh University developed a new gold-palladium catalysis mechanism that increases reaction rates and stabilizes catalysts. This breakthrough advances the development of more efficient bio-based chemical manufacturing processes.
Researchers introduce phosphonate ester groups into conductive polymer films to balance electronic charge transport and ion transport, improving OECT performance. The approach enables precise tuning of polymer properties without redesigning monomers.
Researchers at MIT have developed a low-temperature process to extract battery-grade lithium from hard rock minerals, minimizing waste and costs. The closed-loop system can produce useful materials, including lithium salts, alumina, and silica, with an estimated cost reduction of half compared to traditional methods.
A deep learning model combines knowledge from different catalyst families to identify a top-performing green hydrogen catalyst. The AI correctly predicted the activity ranking of 12 tested catalysts within a previously unexplored material family.
Researchers developed a Pt–CuOx interfacial catalyst that converts HMF to FDCA at significantly lower voltages, achieving 99.1% FDCA selectivity and 93.8% yield. The optimized catalyst demonstrated excellent durability, maintaining over 90% selectivity for more than 110 hours.
Researchers developed a flexible electrochemical sensing platform that captures dynamic small-molecule chemical signals in the gut. The platform reveals a new mechanism underlying enhanced intestinal mechanosensation under microbe-related stimulation, enabling real-time monitoring of serotonin release.
Researchers at TU Wien have shown that water molecules' structures impact charged particles in electrochemistry. The team found that ions with stronger effects on surrounding water create more order, leading to lower entropy and reduced attachment to surfaces.
Researchers challenged thermodynamic-based framework for catalyst design and proposed new principle focusing on declining efficiency of solid-phase electron transport. They designed homonuclear cobalt-cobalt dual-atom catalyst DA-CoCo, significantly enhancing charge transport in solid intermediates, validating the new design principle.
Researchers have developed a new computational workflow combining generative AI with atomistic simulations to identify promising platinum alloy catalyst structures for hydrogen fuel cells. The method produces high-performing candidates from several material combinations, addressing a longstanding challenge in catalyst design.
Researchers at Griffith University and Queensland University of Technology have developed a machine-learning model to design efficient urea catalysts using waste gases. The model accurately predicted key co-adsorption energy values, narrowing down over 1,400 candidates to promising ones.
The São Paulo School of Advanced Science on Electrochemistry aims to strengthen proficiency in advanced techniques for next-gen batteries, catalytic interfaces & sensors. Participants will engage with renowned researchers & benefit from computational tools & instrumentation.
Recent progress in advanced energy manufacturing highlights 3D printing's potential to redefine next-generation lithium batteries. The technology enables precise control over three-dimensional structures, improving ion-transport pathways and mechanical robustness.
Researchers at Tohoku University have made significant progress in precise nanoscale construction of g-C₃N₄ catalysts, which enables efficient photocatalytic H₂O₂ evolution. The study highlights the importance of nanoarchitectonics in scaling up industrial production.
Researchers have discovered that lithium dendrites in batteries are unexpectedly strong and brittle, causing short circuits and safety risks. The findings suggest that future battery design must change to improve safety and reliability of high-energy storage systems.
Researchers highlight biochar's ability to outperform conventional materials in driving chemical reactions that break down pollutants and support energy-producing microbial processes. Biochar's intrinsic redox properties enable it to act as an electron shuttle, accelerating reactions.
Researchers create electrochemical process that converts lignin into aromatics and cyclohexene-based compounds without external hydrogen, upgrading it into useful chemical precursors. The study demonstrates high selectivity and efficiency in the conversion of recalcitrant ether bonds in lignin.
A research team successfully developed an electrochemically mediated dearomatization saturation strategy for pyridine, resulting in efficient multifunctional modification of the molecule. The strategy achieves chemo, regio, and stereoselective transformation of pyridine into complex piperidine skeletons.
Researchers discovered that faster dendrite growth is associated with lower stress levels in a commonly used battery electrolyte material, revealing chemical reactions as a new culprit behind the problem. The study provides guidance for designing stronger electrolytes to make solid-state batteries successful.
The NSF Energy Storage Engine has received $45 million over three years to advance next-gen battery and energy storage systems. It will focus on safety, cost efficiency, and AI integration in manufacturing.
The Berlin Battery Lab brings together top-level research institutions to develop and test resource-efficient battery technologies, focusing on sodium-based systems. The lab aims to accelerate the transfer from research to application, supporting the development of locally produced, sustainable battery technologies.
Researchers from Southeast University and Nanjing Normal University create supercapacitor technology using plant waste, enabling rapid-charging energy storage at 4.0 volts. The innovative approach combines a custom electrode with a specialized electrolyte to stabilize the system.
Researchers found that lithium dendrites, which can cause battery explosions, are surprisingly strong and brittle, fracturing at tensile strengths greater than 150 MPa. This discovery provides insights for tailoring solid electrolyte microstructures to mitigate battery failure and improve safety.
Researchers at the University of Jyväskylä have developed a new approach to model semiconductor electrodes, revealing the basic mechanisms underlying the hydrogen evolution reaction on a titanium dioxide semiconductor. The study identified a previously unknown phenomenon in electrocatalysis, where local charge centers, polarons, activa...
Research reveals that aging significantly alters the electron transfer behavior of pyrogenic carbon in soils and environments, with some materials becoming more electron-conductive while others become less so. These changes can influence nutrient cycling, pollutant degradation, and microbial processes in environmental systems.
Researchers engineered a dual metal modified biochar composite to enhance microbial electrochemical interactions and increase hydrogen yield. The study demonstrates the potential of biochar as an efficient electron mediator in light driven fermentation systems.
Judy Jeevarajan, Ph.D., joins UL Research Institutes as vice president and distinguished scientific advisor, guiding critical scientific priorities and mentoring researchers in battery and energy storage safety. With extensive experience in battery chemistry and global standards development, Jeevarajan will continue to shape ULRI's sci...
Researchers at Washington University in St. Louis developed an operando microscopy platform to study lithium plating in batteries. The platform revealed the conditions under which plating occurs, allowing for the development of performance maps to optimize fast-charging protocols and enhance battery performance.
Researchers visualized activity across a platinum catalyst with unprecedented detail, revealing coordinated, interconnected systems. Individual crystal grains specialize in different chemical steps, and cooperative electron flows enhance overall reaction efficiency.
Researchers at University of Illinois have developed a new method using solar energy to power a key chemical reaction in the textile, plastic, chemical, and pharmaceutical industries. This method can significantly reduce the industry's carbon footprint by eliminating harsh oxidizing byproducts and minimizing carbon emissions.
Researchers at Tohoku University's Advanced Institute for Materials Research developed distortion-resistant energy materials for lithium-ion batteries, improving efficacy and cost-effectiveness. The cathode design utilizes 'interfacial orbital engineering' to neutralize Jahn-Teller distortions, achieving near-perfect cycling stability.
Researchers have developed an all-fluorinated electrolyte that stabilizes high-voltage systems, outperforming standard carbonate-based electrolytes in tests. The new electrolyte promotes a robust Cathode-Electrolyte Interphase layer, enhancing battery longevity and resilience.
Researchers have developed a printable enzyme ink that simplifies the mass production of enzymatic biofuel cells, paving the way for self-powered wearable sensors. The ink enables the creation of high-performance electrodes with minimal decay, suitable for real-world monitoring applications.
Researchers at Jeonbuk National University have developed a new method for detecting microplastics using metal oxide electrodes, offering a rapid and sensitive solution for environmental monitoring. The technology has the potential to replace traditional spectroscopic methods with its portability, low cost, and real-time capabilities.
Case Western Reserve researchers create a new type of electrolyte that improves the safety and efficiency of flow batteries, enabling large-scale energy storage. The breakthrough could lead to advancements in solar farms, power grids, data centers, and other applications.
Researchers discovered that a plant's internal daily timekeeper coordinates growth by controlling an electrochemical 'language' between different tissues. A key clock component, CCA1, boosts stem elongation while restricting root growth by controlling hormone signaling and proton pump activity.
Researchers at The University of Osaka developed a solid-state analogue that enables the formation of subnanometer pores approaching biological ion-channel dimensions. The team demonstrated the opening and closing process hundreds of times, with spikes in current consistent with biological channels.
A new method allows for precise visualization of modern polymer binders in negative lithium-ion battery electrodes. The study found that small changes in binder distribution can significantly affect charging efficiency and battery lifespan.
The study reveals that redefining the concept of electrode-electrolyte interphase layers can improve battery stability and performance. Researchers found that careful control of interphase properties through materials choice, electrolyte formulation, and binder selection can significantly extend battery life.
Researchers at Duke University and the University of Pennsylvania observed iridium oxide nanocrystals restructure and dissolve atom by atom during electrolysis. The findings provide critical insight into why current catalysts fail and how future materials might last longer, paving the way for sustainable energy solutions.
Researchers developed a high-performance electrochemical vector hydrophone with micron-scale control of electrode spacing, achieving higher sensitivity and broader frequency coverage. The device enables the detection of weak and broadband underwater signals in complex marine environments.
Researchers at Penn State develop a hydrogel-based battery that mimics the electrical processes of electric eels, producing higher power densities than previous designs. The battery is non-toxic, flexible, and environmentally stable, making it suitable for biomedical applications.
Researchers developed a low-cost, eco-friendly sensor using biochar from sewage treatment plant sludge to detect trace levels of trimethoprim in water and pharmaceutical samples. The device offers a sustainable way to monitor antibiotic pollution.
Researchers from Mitsubishi Electric and University of Tsukuba discovered a defect complex that generates free electrons when hydrogen is present, improving IGBTs efficiency by up to 20% in power loss. The mechanism could also be applied to ultra-wide bandgap materials.
Researchers develop synthesis method for metal-single atom catalysts that boosts electrolysis-based hydrogen production. The new method produces high purity H2 with only oxygen as a by-product and demonstrates outstanding catalytic performance.
Researchers systematically analyze recent advances in electrochemical strategies designed to extract uranyl from complex aqueous environments. Electro-adsorption, electrocatalysis, and photo-electrocatalysis approaches offer a potentially energy-efficient alternative to traditional chemical separation methods.
Researchers at Illinois Tech developed a new material with high ionic conductivity and low activation energy, enabling the efficient storage and release of energy. The material's unique structure allows lithium ions to move freely, even at cold temperatures, making it promising for applications in electric vehicles and energy storage.
Researchers developed a novel thin-film electrolyte design using samarium-doped cerium oxide, achieving record-setting oxide-ion conductivity at medium temperatures. This innovation addresses key technical limitations of existing solid oxide fuel cells, paving the way for widespread adoption.
Researchers have developed a novel catalyst for acidic two-electron oxygen reduction that enables the self-adjusting mechanism. This breakthrough offers a highly efficient, selective, and stable method for hydrogen peroxide synthesis in acidic media.
A breakthrough in carbon-based battery materials has improved safety and performance by re designing fullerene molecule connections. This research provides a blueprint for designing next-generation battery materials that support safer fast-charging, higher energy density, and longer lifetimes.
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.
Researchers found that sodium-ion batteries using hard carbon negative electrodes can reach faster charging rates than lithium-ion batteries, thanks to the pore-filling mechanism. This process is limited by the efficiency of ion aggregation within the electrode's nanopores, which requires less energy for sodium insertion.
Researchers from POSTECH found that aluminum reduces internal structural distortion in cathodes, preventing oxygen holes and shortening battery life. By adding a small amount of aluminum, the team extends battery lifespan while improving energy density.