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Electrochromic devices

  • US 10,185,197 B2
  • Filed: 02/23/2017
  • Issued: 01/22/2019
  • Est. Priority Date: 04/30/2010
  • Status: Active Grant
First Claim
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1. An electrochromic device comprising a stack comprising one or more cathodically tinting electrochromic layers comprising an electrochromic material and one or more anodically tinting counter electrode layers comprising a counter electrode material, wherein the stack was fabricated by a process comprising:

  • (a) depositing the one or more cathodically tinting electrochromic layers or the one or more anodically tinting counter electrode layers on a substrate;

    (b) depositing the other of the one or more cathodically tinting electrochromic layers and the one or more anodically tinting counter electrode layers deposited in (a), without depositing an electronically-insulating and ionically-conductive material layer therebetween; and

    then(c) depositing lithium metal on the stack to expose at least one of the cathodically tinting electrochromic layers and the one or more anodically tinting counter electrode layers to lithium.

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