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US 11,409,176 B2Granted
Gel electrolyte precursor compositions, electrochromic devices including gel electrolytes, and manufacturing methods thereof
AssigneeHeliotrope Europe S.L.
InventorsXiaoliang Wang, Evelyn Davies, Janina Motter, Guillermo Garcia, Amir Bayati
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Abstract
A gel electrolyte precursor composition, an electrochromic device including a gel electrolyte formed from the precursor composition, and methods of forming the electrochromic device, the precursor composition including polymer network precursors including polyurethane acrylate oligomers, an ionically conducting phase, and an initiator.
Claims7
A method of forming an electrochromic (EC) device, comprising:
- forming a precursor composition comprising polyurethane acrylate oligomers and an ionically conducting phase, the precursor composition having a viscosity ranging from about 10,000 centipoise (cP) to about 80,000 cP;
- forming a layer of the precursor composition on a first electrode disposed on a transparent substrate;
- and
- curing the layer to form a gel electrolyte on the first electrode,
- wherein the precursor composition comprises:
- polymer network precursors comprising polyurethane acrylate oligomers;
- and
- an ionically conducting phase.
5 more elements
Dependencies are inferred from the claim text.