Patent ID: 11966140
Assignee: VIEW, INC.
Field: Surface technology, coating (Chemistry)
Classification: CPC G  B  C | IPC B  C  G

Claim 15:
16. An electrochromic stack, comprising:
a cathodically coloring layer comprising a cathodically coloring material; and
an anodically coloring layer comprising nickel tungsten tantalum oxide,
wherein the nickel tungsten tantalum oxide has an atomic ratio of Ni:(W+Ta) that is between 1.5:1 and 3:1, and has an atomic ratio of W:Ta that is between 0.1:1 and 6:1,
wherein the anodically coloring layer comprises two or more sub-layers that have different compositions and/or different relative concentration, and
wherein a first sub-layer comprises a binary metal oxide and a second sub-layer comprises a ternary metal oxide.