Protonic, conductive, electrolytic materials
AssigneeSaint-Gobain Vitrage
InventorsChristian Padoy, Didier Le Couviour
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Abstract
Protonic, conductive, macromolecular materials comprising a solid complex of anhydrous orthophosphoric acid and polyoxyethylene and also having an antioxidizing agent and/or a thixotropic agent are useful as an electrolyte in electrochromic systems, particularly systems fitted in the vertical position.
Claims29
A protonic, conductive, macromolecular material, comprising:
- (a) a solid complex of anhydrous orthophosphoric acid and polyoxyethylene, and (b) an antioxidant.
A protonic, conductive, macromolecular material, comprising:
- (a) a solid complex of anhydrous orthophosphoric acid and polyoxyethylene, and (b) 3 to 20 wt. %, based on the weight of said solid complex of anhydrous orthophosphoric acid and polyoxyethylene, of a thixotropic agent.
A protonic, conductive, macromolecular material, comprising:
- (a) a solid complex of anhydrous orthophosphoric acid and polyoxyethylene;
- (b) an antioxidant;
- and (c) 3 to 20 wt. %, based on the weight of said solid complex of anhydrous orthophosphoric acid and polyoxyethylene, of a thixotropic agent.
A macromolecular material, comprising:
- (a) a solid complex of orthophosphoric acid and polyoxyethylene, (b) 8 wt. %, based on the weight of said solid complex of orthophosphoric acid and polyoxyethylene, of hydrophobic, fumed pyrogenic reacted silica, and (c) about 1 wt. %, based on the weight of said solid complex of orthophosphoric acid and polyoxyethylene, of triphenyl phosphine.
A process for the treatment of a protonic, conductive, macromolecular material, said material comprising:
- (a) a solid complex of anhydrous orthophosphoric acid and polyoxyethylene;
- and (b) an antioxidant, said process comprising drying said macromolecular material at a temperature between 90.degree. and 120.degree. C. for 1 to 3 hours.
A process for the treatment of a protonic, conductive, macromolecular material, said material comprising:
- (a) a solid complex of anhydrous orthophosphoric acid and polyoxyethylene;
- and (b) 3 to 20 wt. %, based on the weight of said solid complex of orthophosphoric acid and polyoxyethylene, of a thixotropic agent, said process comprising drying said macromolecular material at a temperature between 90.degree. and 120.degree. C. for 1 to 3 hours.
An electrochromic system, comprising an oxide of a transition metal in contact with a solid electrolyte, wherein said solid electrolyte is a protonic, conductive, macromolecular material, comprising:
- (a) a solid complex of anhydrous orthophosphoric acid and polyoxyethylene, and (b) an antioxidant.
An electrochromic system, comprising an oxide of a transition metal in contact with a solid electrolyte, wherein said solid electrolyte is a protonic, conductive, macromolecular material, comprising:
- (a) a solid complex of anhydrous orthophosphoric acid and polyoxyethylene, and (b) 3 to 20 wt. %, based on the weight of said solid complex of anhydrous orthophosphoric acid and polyoxyethylene, of a thixotropic agent.
Dependencies are inferred from the claim text.