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US 11,961,927 B2Granted
Cascade photocatalysis device
AssigneesAlliance for Sustainable Energy, LLC, The Regents of the University of California
InventorsAdele Clare Tamboli, Joel Wheeler Ager, III, Emily Lowell Warren, Calton Junjing Kong
Life of this patent
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Abstract
Described herein are devices and methods utilizing cascade photocatalysis to drive multiple chemical reactions via a series of photoelectrochemical catalysts driven by the conversion of light into current by one or more photovoltaic devices. The described devices and methods are tunable and may be used in conjunction with different reactants and products, including the conversion of carbon dioxide into valuable hydrocarbon products.
Claims14
A device comprising:
- a photovoltaic device capable of generating current at a plurality of potentials;
- a first catalyst in electronic communication with the photovoltaic device;
- and
- a second catalyst in electronic communication with the photovoltaic device;
- wherein the photovoltaic device comprises a photoelectrode and a transparent conductive encapsulant (TCE) layer which further comprises a polymer, a plurality of microspheres of the first catalyst and a plurality of microspheres of the second catalyst.
2 more elements
A device comprising:
- a three-terminal tandem semiconductor photovoltaic device capable of generating current at a first potential and a second potential;
- a Ag or Au electrocatalyst in electronic communication with the photovoltaic device configured to catalyze a first reaction upon receiving current at the first potential;
- and
- a Cu electrocatalyst in electronic communication with the photovoltaic device configured to catalyze a second reaction upon receiving current at a second potential;
- wherein the photovoltaic device comprises a photoelectrode and a transparent conductive encapsulant (TCE) layer which further comprises a polymer, a plurality of microspheres of the Ag or Au electrocatalyst and a plurality of microspheres of the Cu electrocatalyst.
2 more elements
Dependencies are inferred from the claim text.