Electrochromic nickel oxide simultaneously doped with lithium and a metal dopant
First Claim
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1. An electrochromic device comprising:
- (a) a first electrode comprising one of a electrochromic layer or a counter electrode layer,(b) a second electrode comprising other of said electrochromic layer or said counter electrode layer,(c) an ion-conductor layer for conducting ions between said first and second electrodes,(d) a first conductive layer, and(e) a second conductive layer,said first and second electrodes and said ion-conductor layer being sandwiched between said first and second conductive layers,said counter electrode layer comprising at least one mixed oxide having a formula LixNi(II)1−
yNi(III)yMzOa, where M is a metal, and x is about 0 to about 10, y is about 0 to about 1, z is about 0 to about 10, and a is from about (0.5x+1+0.5y+z) to about (0.5x+1+0.5y+3.5z).
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Abstract
An electrochromic device comprising a counter electrode layer comprised of lithium metal oxide which provides a high transmission in the fully intercalated state and which is capable of long-term stability, is disclosed. Methods of making an electrochromic device comprising such a counter electrode are also disclosed.
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Citations
34 Claims
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1. An electrochromic device comprising:
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(a) a first electrode comprising one of a electrochromic layer or a counter electrode layer, (b) a second electrode comprising other of said electrochromic layer or said counter electrode layer, (c) an ion-conductor layer for conducting ions between said first and second electrodes, (d) a first conductive layer, and (e) a second conductive layer, said first and second electrodes and said ion-conductor layer being sandwiched between said first and second conductive layers, said counter electrode layer comprising at least one mixed oxide having a formula LixNi(II)1−
yNi(III)yMzOa, where M is a metal, and x is about 0 to about 10, y is about 0 to about 1, z is about 0 to about 10, and a is from about (0.5x+1+0.5y+z) to about (0.5x+1+0.5y+3.5z). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method for the preparation of an electrochromic device comprising:
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(a) providing a first conductive layer, (b) depositing one of an electrochromic layer or a counter electrode layer on said first conductive layer, thereby providing a first deposited electrode, (c) depositing an ion-conductor layer on said first deposited electrode, (d) depositing the other of said electrochromic layer or said counter electrode layer on said ion-conductor layer, thereby providing a second deposited electrode, (e) depositing a second conductive layer on said second deposited electrode, wherein said counter electrode layer comprises a mixed oxide having a formula LixNi(II)1−
yNi(III)yMzOa, where M is a metal, and x is about 0 to about 10, y is about 0 to about 1, z is about 0 to about 10, and a is from about (0.5x+1+0.5y+z) to about (0.5x+1+0.5y+3.5z). - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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Specification