Articles tagged with Electrocatalysis
Researchers have developed a new method to study electrocatalysts, enabling the precise mechanism of electrocatalytic reactions to be understood. This breakthrough can lead to more efficient and sustainable chemical processes using renewable energy.
Researchers developed a novel catalyst design by incorporating Pd interlayers into an icosahedral core shell. The Au60Pd40@Pt electrocatalyst showed remarkably enhanced activities and durabilities towards ORR in acid environment compared to commercial Pt/C and Au75Pd25@Pt icosahedra.
Researchers have created an alternative and cheapest anode material for excellent and ultra-stable alkaline water electrolysis. The new core-shell nanostructured electrocatalyst replaces precious metals, achieving highly efficient oxygen evolution activity and ultrastability.
Scientists at the University of Illinois Chicago developed a multiscale model to study carbon dioxide conversion to carbon monoxide. The discovery could lead to efficient production of synthesis gas for large-scale energy applications.
A team of Berkeley Lab scientists has discovered a critical role of nanoparticle transformation in converting carbon dioxide into multicarbon fuels and alcohols. The copper-based electrocatalyst operates at high current density with a record low overpotential, making it more efficient than existing catalysts.
Scientists at Rice University and Lawrence Livermore National Laboratory have developed new two-dimensional electrocatalysts that extract hydrogen from water with high efficiency and low cost. The catalysts were created by forming bubbles between layers, which breaks them apart and increases the number of active sites.
Scientists have developed an electrocatalyst using less expensive ruthenium and nitrogen-doped graphene, promising better durability and reduced noble-metal usage than platinum-based alternatives.
Purdue University scientists have identified a new type of electrocatalyst that is both active and stable, which could solve a significant problem in fuel cells and electrolyzers. The nanoscale nickel islands on platinum substrate exhibit unexpected properties that make it an ideal candidate for promoting chemical reactions.
Researchers at Technische Universität Dresden have developed a new, low-cost electrocatalyst for producing molecular hydrogen. The MoNi4/MoO2@Ni catalyst exhibits high HER activity comparable to platinum and presents state-of-the-art HER activity amongst all reported Pt-free electrocatalysts.
Researchers at Aalto University have developed a manufacturing method for electrocatalysts using one hundredth of the usual amount of platinum, reducing costs and increasing functionality. The new material has been proven to be stable and usable in laboratory conditions.
Researchers explore electrocatalysis to transform atmospheric molecules into useful products, such as hydrogen and chemicals, for a sustainable future. Effective catalysts are needed to drive the process, but advancements in theory and experiments hold promise.
Researchers at Los Alamos National Laboratory discover a simple chemical treatment using hydrazine to dope electrons into semiconductors, creating one of the best hydrogen-evolution electrocatalysts. This breakthrough has wide potential applications in energy and electronics.
Scientists have reported a high-performance nanoparticle electrocatalyst for fuel cells, featuring durable and active PtFe nanoparticles coated with nitrogen-doped carbon shells. This breakthrough could lead to the development of more efficient and affordable fuel cell technology.
Dr. Eranda Nikolla receives $750,000 grant to develop efficient catalysts for oxygen evolution in energy generation and storage
The Center for Molecular Electrocatalysis will receive $3.5 million annually to explore chemical reactions at the core of solar energy and fuel cells. Researchers from multiple disciplines will work to design faster catalysts, split molecular oxygen, and improve hydrogen reactions.
Researchers used a dual-electrode photoelectrochemistry method to study the flow of electrons at semiconductor-electrocatalyst junctions. They found that thin layers of ion-porous electrocatalyst material work best, reducing energy loss associated with the catalyst-semiconductor interface.
A Korean research team from Ulsan National Institute of Science and Technology (UNIST) developed a high-performance metal-free electrocatalyst for oxygen reduction reaction using covalently functionalized graphene nanosheets. The new catalyst shows superior stability compared to commercial Pt/C catalysts.
Researchers have developed a low-cost metal-free catalyst using edge-halogenated graphene nanoplatelets that shows remarkable electrocatalytic activity for oxygen reduction reaction, higher tolerance to methanol crossover/CO poisoning effects and longer-term stability than platinum-based catalysts.
A new high-throughput method identifies promising electrocatalysts for water oxidation, enabling the efficient storage of solar energy. The technique uses ultraviolet light and a fluorescent paint to test metal-oxide electrocatalysts, accelerating the discovery process.
Scientists at Brookhaven National Laboratory have developed a new electrocatalyst that efficiently generates hydrogen gas from water without using platinum. The novel nickel-molybdenum-nitride nanosheet catalyst outperforms traditional non-noble metal compounds and has the potential to unlock sustainable energy alternatives.
The new electrocatalysts have high activity, stability, and durability while containing only about one tenth the platinum of conventional catalysts used in fuel cells. This reduction leads to lower costs and environmental benefits by producing no harmful emissions.
Scientists have developed a new fuel-cell catalyst with a palladium core that protects precious platinum and enhances its reactivity. The new catalyst maintains high levels of activity even after 100,000 cycles of testing, compared to conventional catalysts that lose nearly 70% of their reactivity.
Researchers at Brookhaven National Laboratory stabilized platinum electrocatalysts using gold clusters, maintaining stability in accelerated tests. This breakthrough raises promising possibilities for synthesizing improved platinum-based catalysts.