Reinforcing sheet for solid electrolyte membrane
AssigneeNippon Sheet Glass Co., Ltd.
InventorsMasaki Onishi, Masamichi Kezuka, Shuhei Sakaguchi
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Abstract
The reinforcing sheet according to the present invention includes glass fibers and an organic binder that coats the glass fibers, and has voids to be filled with a solid electrolyte. The organic binder is (i) an organic polymer containing no element other than carbon, hydrogen and fluorine; or (ii) an organic polymer having a main chain and side chains, the main chain being perfluoroalkylene, and at least one of the side chains being terminated with a sulfonic acid group or a carboxylic acid group. The reinforcing sheet according to the present invention is suitable for improving the durability of a solid electrolyte membrane and maintaining the chemical stability thereof.
Claims7
A reinforcing sheet for a solid electrolyte membrane, comprising:
- glass fibers;
- and an organic binder that coats the glass fibers, wherein
- the reinforcing sheet has voids to be filled with a solid electrolyte, and
- the organic binder is:
- (i) an organic polymer containing no element other than carbon, hydrogen and fluorine;
- or
- (ii) an organic polymer having a main chain and side chains, the main chain being perfluoroalkylene, and at least one of the side chains being terminated with a sulfonic acid group or a carboxylic acid group.
Dependencies are inferred from the claim text.