Articles tagged with Electrochemical Reactions
Researchers at Helmholtz-Zentrum Berlin have developed a nanosilver catalyst that efficiently reduces CO2 to CO, with a high Faradaic efficiency of almost 100%. The addition of aldehydes to the electrolyte reduces energy consumption by over 30%.
Researchers developed a copper phthalocyanine catalyst from an inexpensive blue pigment that efficiently converts CO₂ into methane in a single electrochemical step. The system achieved high current density and Faradaic efficiency, demonstrating improved selectivity and durability compared to conventional catalysts.
Researchers have found that nano-biochar can rapidly transform silver ions into silver nanoparticles under alkaline conditions, with superoxide radicals playing a key role in the process. The study also showed that the structure of nano-biochar and pH conditions can control metal transformations in water.
Researchers developed a cobalt-based catalyst that efficiently promotes oxygen reduction and evolution reactions in zinc-air batteries. The catalyst's curved carbon support and cobalt nanoparticles work together to improve oxygen electrocatalysis, enabling long-term bifunctional performance.
A KAIST research team has developed a process that cuts the production time for vanadium redox flow batteries' core material by 67%, overcoming a critical bottleneck to commercialization. This breakthrough could significantly accelerate the development of large-capacity energy storage technology.
A new bio-based conductive hydrogel platform is presented to preserve biomembrane activity and enable sensitive detection of organophosphate pesticides. The developed biosensor demonstrated stable operation, retaining 85.8% of its original electrochemical response after seven days.
Researchers have developed a detector that delivers high sensitivity while operating at ordinary room temperature, using carbon nanotubes and a pyroelectric lithium niobate crystal. The device surpasses earlier graphene-based detectors by several orders of magnitude and offers a broad spectral range without cryogenic cooling.
Researchers will address the unstable interface between lithium metal anode and solid electrolyte by engineering ultra-thin films to reduce degradation and resistance. The goal is to improve reliability and stability of solid-state batteries for electric vehicles, enabling faster charging and greater energy storage potential.
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.
A new iron-modified biochar catalyst activates natural oxygen and iron cycling in farmland soil, breaking down sulfamethoxazole at a 4.2-fold increase under laboratory conditions. The material also achieved strong pollutant removal, with degradation reaching 81.2% under favorable soil moisture conditions.
Applying a magnetic field during catalyst synthesis triples the ammonia yield, making catalytically active sites more accessible. The study demonstrates a scalable strategy for developing next-generation electrocatalysts for efficient and sustainable chemical production.
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 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.
Hanyang University researchers found that a coating thickness of 2.5 nanometers is necessary to prevent harmful side reactions in sulfide-based all-solid-state batteries. The study showed improved electrochemical performance and cycle life with this minimum effective coating thickness.
A new method using rheo-impedance spectroscopy links slurry shear conditions to battery performance, enabling data-driven optimization and improved manufacturing efficiency. The study found an optimal 'sweet spot' in processing conditions that balances breaking up particle clusters with maintaining electrical pathways.
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.
A new study reveals how an advanced iron-modified biochar can harness the natural chemistry of soils to break down persistent antibiotic contaminants. The biochar activates naturally occurring oxygen in soils to generate highly reactive hydroxyl radicals, enabling the in situ degradation of contaminants without external chemical inputs.
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 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.
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 at AIMR discovered that Europium substitution in Cu2O catalysts allows for selective control of electrochemical CO2 reduction products. By leveraging the Eu3+/Eu2+ redox couple, they demonstrated how subtle changes in electronic structure can favor either C-C coupling or deep hydrogenation.
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.
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 way to increase the energy state of iron in materials, enabling the creation of higher-voltage batteries. The breakthrough could also aid the development of superconductors and magnetism applications.
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 discovered manganese's unique ability to act as a catalyst when electrical voltage fluctuates, making it suitable for applications like wind and solar energy. Manganese's regeneration under the Guyard reaction enables its use over repeated cycles, crucial for sustainable reactions.
Researchers at The University of Osaka have invented a novel, unsymmetrical hetero[8]circulene molecule with unique properties that make it a potent organic photocatalyst. The molecule can speed up chemical reactions triggered by light, paving the way for sustainable and inexpensive material creation.
Researchers explore electrochemical synthesis of value-added chemicals, highlighting challenges and opportunities for industrial application. The technology enables efficient conversion of natural raw materials into high-quality products under mild conditions, offering sustainable solutions for renewable energy utilization.
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.
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 the University of Texas at Dallas have discovered a way to improve solid-state battery performance by creating a 'space charge layer' that enhances ion movement. This breakthrough could lead to better-performing batteries with improved safety and increased energy storage capacity.
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 TU Wien have developed a new electrochemical synthesis method for MXene, overcoming the difficulties of producing this 'miracle material'. The new process uses electricity instead of toxic hydrofluoric acid, allowing for safer and more sustainable production.
Researchers developed a hybrid electrolyte combining potassium trifluoromethanesulfonate with EMIMNTf₂ to reduce water evaporation and suppress side reactions. The resulting electrolyte exhibits high electrochemical stability and reliable operation in extreme temperatures.
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 at Tohoku University developed a highly stable catalyst for efficient hydrogen production, achieving a Faradaic efficiency of 99.9% and stability for over one month. The study highlights the importance of controlled evolution of catalyst-electrolyte interface in rational catalyst design.
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.
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.
Researchers have developed a novel LiMn₂O₄ electrode material with improved lithium extraction capacity and cycle stability. The SnO₂ nanoparticle island-modified LMO electrode material shows good selectivity and stability for lithium ions, enabling efficient electrochemical salt lake lithium extraction.
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.
Researchers have made a breakthrough in developing a more efficient and environmentally friendly form of refrigeration using thermogalvanic cells. The new technology produces a cooling effect through reversible electrochemical reactions, requiring significantly less energy input than traditional methods.
A Chinese team proposes adding a soluble catalyst to electrolytes in lithium-air batteries, enhancing charge transport and counteracting electrode passivation. The addition improves the batteries' performance and lifespan by reducing overpotential and increasing discharge capacity.
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 have developed new porous catalysts to enhance CO2 electroreduction, with key strategies including pore size control and structure-performance optimization. These advances aim to improve the selectivity and efficiency of CO2 conversion into valuable chemicals.
A breakthrough in electrochemical CO2 reduction processes has been achieved through ligand engineering of copper nanoclusters. The study reveals that variations in intercluster interactions significantly impact the stability and selectivity of these nanoclusters, leading to more efficient carbon conversion technologies.
Researchers found that COFs' catalytic activity comes from oxidic nanoparticles formed when cobalt ions detach, not the framework itself. The nanoparticles provide a suitable reaction environment and hold the catalysts in place, enabling efficient catalysis even under harsh conditions.
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.
A new study of bubbles on electrode surfaces could help improve the efficiency of electrochemical processes by understanding how blocking effects work. The findings show that only a smaller area of direct contact is blocked from its electrochemical activity, not the entire surface shadowed by each bubble.
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.
Researchers at HZB have developed a method to precisely monitor electrochemical reactions in solid-state batteries using photoelectron spectroscopy at BESSY II. The results show that decomposition products form at interfaces, hindering lithium ion transport and reducing battery capacity with each charge cycle.
Researchers have developed a novel perovskite-based anode material with mixed hole–proton conduction, achieving high efficiency at low and medium temperatures. The breakthrough could pave the way for important technological advancements in energy technologies.
Researchers developed a technique to study electrochemical processes at the atomic level, revealing unexpected transformations in a popular copper catalyst. The technique, called polymer liquid cell (PLC), enables scientists to observe composition changes during reactions in real time.
Researchers have created a new efficient catalyst for the oxygen evolution reaction, a crucial step in producing hydrogen from water. The catalyst is about four times better than the current state-of-the-art iridium catalyst, requiring less iridium to produce hydrogen at the same rate.
Researchers at RIKEN have developed a new catalyst that reduces the amount of iridium required for hydrogen production, achieving 82% efficiency and sustaining production for over 4 months. The breakthrough could revolutionize ecologically friendly hydrogen production and pave the way for a carbon-neutral energy economy.
Researchers at RIKEN have improved the stability of a green hydrogen production process by using a custom-made catalyst, increasing its lifetime by almost 4,000 times. The breakthrough uses earth-abundant materials, making it more sustainable and potentially cost-effective for widespread industrial use.
Researchers developed new techniques to study acid-base chemistry at electrified interfaces, revealing the impact of hydrophobic layers and electric fields. These findings offer opportunities for optimizing electrochemical processes and designing novel catalytic strategies.
A new tool using electrocatalysis enables precise modification of site-specifically incorporated 5-hydroxytryptophan residues on many different proteins, including full-length therapeutic antibodies. The eCLIC method has potential applications in developing novel biotherapeutics and protein-based research tools.
Researchers have deciphered the key pathways of the sulfur reduction reaction in lithium-sulfur batteries, identifying dominant molecular pathways and critical roles of electrocatalysis. This breakthrough could lead to improved battery performance, reduced costs, and increased energy storage capacity.