MONOLITHIC PHOTOCATALYST SYSTEM FOR GENERATING ELECTRICITY
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United States of America Patent
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Issued Date -
Oct 4, 2012
app pub date -
Aug 9, 2010
filing date -
Aug 9, 2009
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Abandoned
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Abstract
Described is a monolithic catalyst system (1) for the cleavage of water into hydrogen and oxygen with the aid of light, comprising a first photoactive material (50) capable by itself or together with one or more auxiliary catalysts when irradiated with light having a wavelength ≧420 nm of generating oxygen and protons from water, and a second photoactive material (60) capable by itself or together one or more auxiliary catalysts (92) when irradiated with light having a wavelength ≧420 nm of reducing protons in water to hydrogen, the first photoactive material (50) and second photoactive material (60) being in electrical contact via one or more electron-conducting materials (30, 20, 40, 60a) the system being in that characterized in that a load or an electric consumer is interposed in between at least one electron-conducting material. Likewise described is a method of generating oxygen, hydrogen and electricity from water using the catalyst system.
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