Electrochromic structures and methods
First Claim
1. An electrochromic device applied to a substrate comprising an electrochromic layer, a counterelectrode layer, and a ion-conducting layer therebetween, said ion-conducting layer comprising a lithium based ceramic material containing residual organic impurities prepared from the dissolution of at least one metallic organo compound in an organic solvent, and gelation of said metallic organo compound.
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Abstract
The invention provides for the simplified production of chromogenic devices, including relatively large scale devices in panel form. One or more of the layers of the invention are formed from heated, hydrolyzed gel reaction product of one or more dissolved organo-inorganics, such as alkoxides, which may be metallic. The invention includes an ion-conducting layer which comprises a lithium based ceramic material containing residual organic impurities.
73 Citations
23 Claims
- 1. An electrochromic device applied to a substrate comprising an electrochromic layer, a counterelectrode layer, and a ion-conducting layer therebetween, said ion-conducting layer comprising a lithium based ceramic material containing residual organic impurities prepared from the dissolution of at least one metallic organo compound in an organic solvent, and gelation of said metallic organo compound.
- 16. An electrochromic device applied to a substrate comprising an electrochromic layer, a counterelectrode layer, and an ion-conducting layer therebetween, at least one of said electrochromic layers and said counterelectrode layer being chemically reduced with a source of electrons and charge compensating ions comprising the ions to be conducted by said ion-conducting layer, said ion-conducting layer comprising a lithium based ceramic material containing residual organic material prepared from the dissolution of at least one metallic organo compound in an organic solvent, and gelation of said metallic organo compound.
Specification