Electrochemistry
Articles tagged with Electrochemistry
WashU expert: Scaling up the circular economy
Researchers suggest new design principle for lithium conversion battery catalysts
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.
Smarter search for fuel-cell catalysts using machine learning
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.
Machine learning unlocks greener pathway to urea production
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.
Registrations open for São Paulo School of Advanced Science in Electrochemistry
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.
From lab to industry: 3D printing accelerates the future of lithium batteries
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.
Recent advances in the precise nanoscale construction ofg-C₃N₄ catalysts
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.
UH engineer exposes structural weakness driving lithium-ion battery failure
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.
Biochar’s hidden redox power could transform pollution cleanup and energy recovery
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.
Breaking recalcitrant lignin bonds with electricity for conversion into value-added chemicals: An e-biorefinery
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.
Chemistry, regioselective and stereoselective electrochemical dearomatization-multifunctionalization reactions of pyridine
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.
Why solid-state batteries keep short circuiting
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.
NSF Energy Storage Engine enters second phase with ambitious plans
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.
Berlin Battery Lab: BAM, HZB and HU are conducting joint research on sodium batteries
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.
Turning plant waste into power: A structural and chemical leap for supercapacitor technology
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.
New research reveals how semiconductor electrodes can achieve green hydrogen production
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...
Designing for hard and brittle lithium needles may lead to safer batteries
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.
Scientists design metal-enhanced biochar to boost clean hydrogen production from agricultural waste
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.
Aging reshapes the electron transfer behavior of pyrogenic carbon in soils and environments
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.
UL Research Institutes announces Judy Jeevarajan, Ph.D., as vice president and distinguished scientific advisor
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...
A clear view to better batteries
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.
The secret lives of catalysts: How microscopic networks power reactions
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.
Shrinking the carbon footprint of chemical manufacturing with lasers, solar radiation
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.
Printable enzyme ink powers next-generation wearable biosensors
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 create distortion-resistant energy materials to improve lithium-ion batteries
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.
All-fluorinated electrolyte unlocks the potential of high-voltage lithium metal batteries
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.
Jeonbuk National University researchers explore metal oxide electrodes as a new frontier in electrochemical microplastic detection
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.
Chemistry-powered “breathing” membrane opens and closes tiny pores on its own
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.
Safer batteries for storing energy at massive scale
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.
An “electrical” circadian clock balances growth between shoots and roots
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.
Invisible battery parts finally seen with pioneering technique
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.
Towards unlocking the full potential of sodium- and potassium-ion batteries
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.
Watching a critical green-energy catalyst dissolve, atom by atom
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.
Carving micron-scale grooves to hear the quietest sounds underwater
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.
Electric eel biology inspires powerful gel battery
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.
Turning sewage waste into a smart sensor for tracking antibiotic pollution
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.
Mechanism of hydrogen-driven free-electron generation in silicon elucidated for first time ever
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.
Dongguk University develops a new way to produce cheaper, more efficient green hydrogen
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.
New review highlights electrochemical pathways to recover uranium from wastewater and seawater
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.
Illinois Tech researcher finds where lithium ions reside in new solid-state electrolyte that could lead to improved batteries
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.
Breakthrough in thin-film electrolytes pushes solid oxide fuel cells forward
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.
Self-adjusting catalyst paves the way for greener hydrogen peroxide production
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.
Breakthrough in carbon-based battery materials improves safety, durability, and power
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.
Anode-free battery doubles electric vehicle driving range
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.
Magnetic control of lithium enables a safe, explosion-free ‘dream battery’
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.
Unveiling how sodium-ion batteries can charge faster than lithium-ion ones
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.
Aluminum prevents 'rapid aging' in high-energy batteries
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.
Operando X-ray tomography reveals silicon–electrolyte interface dynamics in all-solid-state batteries
Researchers visualize how silicon anodes form shell-like voids around their surfaces during charging, but find that parts of the solid electrolyte remain attached to the Si, maintaining partial ionic contact. This allows the battery to continue operating efficiently despite significant structural changes.
New electrochemical strategy boosts uranium recovery from complex wastewater
Researchers have developed a promising new method to recover uranium from challenging wastewater streams using an indirect electrochemical process combined with a self-standing covalent organic framework electrode. The approach achieves high efficiency, long-term stability, and strong tolerance to chemically complex environments.
Study shows new hope for commercially attractive lithium extraction from spent batteries
A new study shows that lithium can be recovered from battery waste using an electrochemically driven recovery process, which demonstrates economic viability with the potential to simplify operations. The method has been tested on commonly used types of lithium-containing batteries and produces recovered lithium at a cost comparable to ...
Peat as a sustainable precursor for fuel cell catalyst materials
Researchers discovered that peat-based iron-nitrogen-carbon catalysts exhibit exceptional efficiency and selectivity in oxygen reduction reactions. The microstructure of these catalysts plays a crucial role in promoting the desired electrochemical reactions.
Novel electrode could improve affordability of hydrogen fuel
A new anion-exchange-membrane water electrolyzer technology has been developed to address the degradation issue in membrane electrolyzers. This innovation combines the efficiency of simple caustic or alkaline electrolytes with the low-cost material advantages of solid polymer membranes.
Scientists unveil mechanism behind greener ammonia production
Researchers from Tokyo Metropolitan University reveal how copper particles create in mid-reaction, converting nitrite ions to ammonia. This insight promises leaps forward in developing new industrial chemistry for greener ammonia production.
A new quantitative rule for designing better batteries
Researchers have discovered a key factor that determines whether a lithium-ion battery can charge and discharge reversibly, enabling the rational design of electrolytes. The new metric enables efficient prediction of an electrolyte's suitability and accelerates improvements in battery performance.
Harnessing seawater ions to power next-generation seawater electrocatalysis
Researchers have discovered that certain seawater ions can be intentionally utilized to enhance electrochemical performance, rather than hindering it. This involves carefully designing catalysts and electrolytes to mitigate the negative effects of these ions while maximizing their benefits.
Model construction and dominant mechanism analysis of Li-ion batteries under periodic excitation
Researchers developed a new P2D-coupled non-ideal double-layer capacitor model to analyze lithium-ion batteries under high-frequency periodic signal excitation. The model considers neglected electric double-layer capacitance and its dispersion effects, enabling more accurate mechanism analysis and performance degradation assessment.
The Institute of Advanced Materials at the Universitat Jaume I promotes research into next-generation neuromorphic computing
Researchers at the Institute of Advanced Materials aim to develop sustainable, high-performance lead-free memristors for neuromorphic computing. The MemSusPer project seeks to improve perovskite layer properties and test new materials for enhanced electrical conductivity.
Breakthrough: MOF membrane-integrated electrolyzer turns air and flue gas CO2 into pure formic acid, paving way for carbon neutrality
A Chinese research team developed an innovative device that skips CO₂ purification, cuts costs, and produces commercial-grade HCOOH directly from dilute emissions. The membrane-integrated electrolyzer concentrates CO2 to high levels for efficient conversion, producing a valuable liquid fuel and industrial chemical.
Researchers find that temperature matters for RhRu₃Ox during acidic water oxidation
The study reveals a temperature-dependent mechanism evolution effect on RhRu3Ox catalysts, leading to more stable oxygen evolution reactions. The researchers demonstrate that the catalyst remains stable for over 1000 hours at room temperature, paving the way for efficient and durable electrochemical devices.