Electrochromic cathode materials
AssigneeView Operating Corporation
InventorsRobert T. Rozbicki, Sridhar Karthik Kailasam
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Abstract
Various embodiments herein relate to electrochromic devices and electrochromic device precursors, as well as methods and apparatus for fabricating such electrochromic devices and electrochromic device precursors. In certain embodiments, the electrochromic device or precursor may include one or more particular materials such as a particular electrochromic material and/or a particular counter electrode material. In various implementations, the electrochromic material includes tungsten molybdenum oxide. In these or other implementation, the counter electrode material may include nickel tungsten oxide, nickel tungsten tantalum oxide, nickel tungsten niobium oxide, nickel tungsten tin oxide, or another material.
Claims27
An electrochromic device or an electrochromic device precursor, comprising:
- a first electrically conductive layer having a thickness between about 10-500 nm;
- an electrochromic layer comprising an electrochromic material comprising tungsten molybdenum oxide having a composition of W1-xMoxOy, wherein x is between about 0.05-0.30 and y is between about 2.5-4.5, the electrochromic layer having a thickness between about 100-500 nm;
- a counter electrode layer comprising a counter electrode material comprising nickel tungsten oxide, the counter electrode layer having a thickness between about 100-500 nm;
- and
- a second electrically conductive layer having a thickness between about 100-400 nm,
- wherein the electrochromic layer and the counter electrode layer are positioned between the first electrically conductive layer and the second electrically conductive layer, and wherein the electrochromic device is all solid state and inorganic.
Dependencies are inferred from the claim text.