Protecting the surface of a light absorber in a photoanode

Hu, Shu; Lewis, Nathan S.

Title: Protecting the surface of a light absorber in a photoanode

Patent · Tue May 22 00:00:00 EDT 2018

OSTI ID:1444458

Hu, Shu; Lewis, Nathan S.

A photoanode includes a passivation layer on a light absorber. The passivation layer is more resistant to corrosion than the light absorber. The photoanode includes a surface modifying layer that is location on the passivation layer such that the passivation layer is between the light absorber and the surface modifying layer. The surface modifying layer reduces a resistance of the passivation layer to conduction of holes out of the passivation layer.

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: SC0004993/T-106372

Assignee:: California Institute of Technology (Pasadena, CA)

Patent Number(s):: 9,976,220

Application Number:: 14/512,248

OSTI ID:: 1444458

Resource Relation:: Patent File Date: 2014 Oct 10

Country of Publication:: United States

Language:: English

References (6)

Interconnected Photoelectrochemical Cell Deng, Xunming; Xu, Liwei https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080223439 US Patent Document 10/589691; 20080223439	patent-application	September 2008
Photoelectrochemical Cell with Carbon Nanotube-Functionalized Semiconductor Electrode Vereecken, Philippe M.; Kurstjens, Rufi; Negreira, Ainhoa Romo https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20090215276 US Patent Document 12/392831; 20090215276	patent-application	August 2009
Catalytic Materials, Photoanodes, and Photoelectrochemical Cells for Water Electrolysis and Other Electrochemical Techniques Nocera, Daniel G.; Kanan, Matthew W.; Surendranath, Yogesh https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20100133111 US Patent Application 12/576066; 20100133111	patent-application	June 2010
Surface-Passivated Regenerative Photovoltaic and Hybrid Regenerative Photovoltaic/Photosynthetic Electrochemical Cell Chidsey, Christopher E.D.; McIntyre, Paul C. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20120216854 US Patent Document 13/406319; 20120216854	patent-application	August 2012
Method of Manufacturing Photoelectrode Structure Shin, Byong-Cheol; Lee, Ji-Won; Kim, Chang-Wook https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20120309126 US Patent Document 13/330606; 20120309126	patent-application	December 2012
Solar Fuel Generator Lewis, Nathan S.; Spurgeon, Joshua M. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20130256147 US Patent Document 13/855515; 20130256147	patent-application	October 2013

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