Articles tagged with Electrochemistry
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.
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.
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.
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...
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.
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.
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 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 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 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.
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.
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.
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 ...
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 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 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.
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.