Electrochromic coating and method for making same
First Claim
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1. A method for preparing an electrochromic coating on a substrate, consisting essentially of:
- forming a coating solution by contacting at least one transition metal nitrate compound with at least one monohydric alcohol having from 1 to 5 carbon atoms;
coating the surface of said substrate with said coating solution to provide a coating thereon of a desired thickness; and
firing said coating to an electrochromically active state.
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Abstract
Transition metal nitrates such as nickel nitrate are dissolved in monoalcohols having from 1 to 5 carbon atoms. The coatings are applied to a substrate material and fired to convert the coating to an electrochromically active state.
218 Citations
42 Claims
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1. A method for preparing an electrochromic coating on a substrate, consisting essentially of:
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forming a coating solution by contacting at least one transition metal nitrate compound with at least one monohydric alcohol having from 1 to 5 carbon atoms; coating the surface of said substrate with said coating solution to provide a coating thereon of a desired thickness; and firing said coating to an electrochromically active state. - View Dependent Claims (2, 3, 4, 6, 8, 10, 12, 13, 14, 15, 16, 18, 20, 22, 23, 24, 25, 27, 29, 31, 33, 34, 35, 37, 39, 41)
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5. A method for preparing an electrochromic coating on a substrate, comprising:
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forming a coating solution comprising at least one monohydric alcohol having from 1 to 5 carbon atoms, from 5 to 20 weight/volume percent of at least one transition metal nitrate and from 5 to 60 weight/volume percent of ethyl acetate; coating the surface of said substrate with said coating solution to provide a coating thereon of a desired thickness; and firing said coating to an electrochromically active state. - View Dependent Claims (7, 9, 11, 17, 19, 21, 26, 28, 30, 32, 36, 38, 40, 42)
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Specification