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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"water electrolyzers"”.
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Electrochemical oxidation and reduction of 5-hydroxymethylfurfural in alkaline water electrolyzers
… sources such as wind turbines, solar parks, and water turbines. Electrolyzers, which can store electricity from renewable energy in molecules such as hydrogen, but also have the potential to use renewable energy to replace petrochemical-based large-scale processes for synthesizing various …
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Understanding the active sites and reaction mechanism of water oxidation on metal oxides
… it to hydrogen using proton exchange membrane water electrolyzers, which are amenable to integration with solar devices due to their high performance under fluctuating power input. Water oxidation to molecular oxygen is the most energy intensive part of the water splitting process, limiting the …
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Ruthenium-Chromium Oxide Aerogels Oxygen Evolution Electrocatalysts: Structure, Activity and Stability
… storing energy in proton exchange membrane (PEM) water electrolyzers. Catalysts with enhanced activity and stability are needed for the anodic oxygen evolution reaction (OER) that generate hydrogen and oxygen from water. Ruthenium-oxide based catalysts have shown the highest reported activities of …
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Transition Metal Heterogeneous Catalysis Towards Applications in Sustainable Energy: Leveraging Rational Design Principles for Activity, Stability, and Stereoselectivity
… in the development of direct liquid fuel cells, water electrolyzers, and other sustainable energy storage applications including liquid organic hydrogen carriers (LOHCs). The methanol oxidation reaction (MOR) is a multistep reaction comprised of methanol dehydrogenation leading to CO adsorbed on …
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Controlling Electrocatalytic Interfaces using Thin Films and Nanostructures for Energy Applications
… of fuel cells and is the rate-limiting reaction. Water can be electrolyzed using electricity from renewable sources to generate H2 in a green manner. The oxygen evolution reaction (OER) is the rate-limiting reaction for water electrolysis. Unfortunately, catalysts based on Pt and Ir have the best …
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Energy analysis and fabrication of photovoltaic thermal water electrolyzer and ion transport through modified nanoporous membranes
… system – a so-called “photovoltaic thermal water electrolyzer (PVTE)” – which consists of PV cells positioned on top of a planar micro-water electrolyzers in order to harness waste heat as a storable form of energy. The concept of PVTE has the outputs such as electricity and thermal storage, …
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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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Melt Processable Poly(acrylonitrile)-based Precursors for Carbon Fiber Production and Advanced Polymeric Membranes for Gas Separation and Water Electrolysis Applications
… acrylonitrile content were mixed with various water containing binary melting point modifiers to produce systems that formed stable melts at temperatures below the temperature corresponding to the onset of PAN-MA crosslinking. The structure of the copolymer was found to be 96.5 ± 0.13 mole % …