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Showing 1 to 8 of 8 for “"Overall water splitting"”.
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Rational Design of Trimetallic Electrocatalyst for Electrochemical Overall Water Splitting
… bifunctional electrocatalysts for overall water splitting have attracted increasing attention due to their earth-abundancy and high efficiency. However, current bifunctional electrocatalysts suffer from the disadvantages of the complex synthetic process, low yield, or low energy …
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Designing high performance overall water splitting electrocatalysts from non-precious metal selenides
… in fuel cells without concern of contaminants. Water splitting reaction to generate H<sub>2</sub> and O<sub>2</sub> is one promising method of converting solar energy into fuels. The major challenge with this technology is the sluggish anodic reaction, oxygen evolution reaction (OER), in …
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Solar-driven overall water splitting on CoO nanoparticles : first-principles density functional theory studies
Photoelectrochemical (PEC) water splitting has been suggested as a promising techinique for large-scale hydrogen fuel production. In particular, spontaneous photocatalytic overall water splitting on self-standing particles in water without external driving potential has been highlighted as a clean …
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Electronic band structure variations in photothermal catalytic materials
… semiconductors have great promise as efficient overall water splitting devices for hydrogen production, which can help make H2 into an economically viable alternative to fossil fuels. The effectiveness of the proposed device is sensitively influenced by both the electronic structure of the …
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Earth Abundant Catalysts for Water Electrolysis at Low Overpotentials
Water electrolysis via renewable electricity (e.g., wind, solar) provides a carbon neutral route for pure hydrogen production to fuel zero emission power generation devices, such as fuel cells. Deployment of fuel cell vehicles is growing in the US and around the world, coupled with the construction …
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Solar Water Oxidation by Composite Cobalt-Based Catalyst/Oxide Semiconductor Photoanodes
Photoelectrochemical (PEC) water splitting is an attractive approach to capturing and storing the earth's abundant solar energy influx. The challenging four-electron water-oxidation half-cell reaction has hindered this technology, giving rise to slow water oxidation kinetics at the photoanode …
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Semi-Artificial Photoelectrochemistry through Perovskite Integration and Elucidation of the Local Environment
… photocathode enabled combination with a BiVO₄ water oxidation photoanode to give a self-sustaining, bias-free photoelectrochemical tandem system for overall water splitting (solar-to-hydrogen efficiency of 1.1%). This work demonstrates the compatibility of perovskite elements with carefully …
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Fabrication of carbon-based nanomaterials for energy conversion
… have been developed as electrocatalysts for water splitting system at low overpotential and high current density. An excellent electrochemical activity of newly developed electrocatalyst originates from its graphitic nanostructure and highly active Co-Nx sites. Based on the spectroscopic and …