Electrochromic counter electrode

Lee, Se-Hee; Tracy, C. Edwin; Pitts, J. Roland; Jorgensen, Gary J.

Electrochromic counter electrode

Patent · Mon Feb 21 23:00:00 EST 2005

OSTI ID:1175249

Lee, Se-Hee; Tracy, C. Edwin; Pitts, J. Roland; Jorgensen, Gary J.

The present invention discloses an amorphous material comprising nickel oxide doped with tantalum that is an anodically coloring electrochromic material. The material of the present invention is prepared in the form of an electrode (200) having a thin film (202) of an electrochromic material of the present invention residing on a transparent conductive film (203). The material of the present invention is also incorporated into an electrochromic device (100) as a thin film (102) in conjunction with a cathodically coloring prior art electrochromic material layer (104) such that the devices contain both anodically coloring (102) and cathodically coloring (104) layers. The materials of the electrochromic layers in these devices exhibit broadband optical complimentary behavior, ionic species complimentary behavior, and coloration efficiency complimentary behavior in their operation.

Research Organization:: National Renewable Energy Laboratory (NREL), Golden, CO (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC36-99GO10337

Assignee:: Midwest Research Institute (Kansas City, MO)

Patent Number(s):: 6,859,297

Application Number:: 10/480,014

OSTI ID:: 1175249

Country of Publication:: United States

Language:: English

References (4)

Electrochromic materials and devices for energy efficient windows Lampert, Carl M. Solar Energy Materials, Vol. 11, Issue 1-2 https://doi.org/10.1016/0165-1633(84)90024-8	journal	October 1984
Electrochromic behavior of NiW oxide electrodes Lee, S.-H; Joo, S.-K Solar Energy Materials and Solar Cells, Vol. 39, Issue 2-4, p. 155-166 https://doi.org/10.1016/0927-0248(95)00046-1	journal	December 1995
The electrochromic process in non-stoichiometric nickel oxide thin film electrodes Decker, F.; Passerini, S.; Pileggi, R. Electrochimica Acta, Vol. 37, Issue 6 https://doi.org/10.1016/0013-4686(92)85220-F	journal	May 1992
Characterization of Ni–W oxide thin film electrodes Lee, S; Cheong, Hyeonsik M.; Park, Nam-Gyu Solid State Ionics, Vol. 109, Issue 3-4, p. 303-310 https://doi.org/10.1016/S0167-2738(98)00093-9	journal	June 1998

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Electrochromic counter electrode

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References (4)

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