Reinforced electrolyte membrane and process for producing same
AssigneeAsahi Glass Company, Limited
InventorsYasushi Yamaki, Hiromitsu Kusano
Life of this patent
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Abstract
A reinforced electrolyte membrane having an electrolyte membrane containing a fluoropolymer having ion exchange groups, reinforced by a woven fabric made of a reinforcing thread and a sacrificial thread, where the sacrificial thread remains in the electrolyte membrane, a void is formed between the sacrificial thread and the electrolyte membrane, and 2000 μm2<A<6000 μm2 and 0.3≦B/A<1.0 are satisfied, where A is the total of a cross-sectional area of the sacrificial thread and a cross-sectional area of the void, and B is the cross-sectional area of the sacrificial thread.
Claims9
A reinforced electrolyte membrane having an electrolyte membrane comprising a fluoropolymer having ion exchange groups, reinforced by a woven fabric comprising a reinforcing thread and a sacrificial thread, wherein
- the sacrificial thread remains in the electrolyte membrane,
- a void is formed between the sacrificial thread and the electrolyte membrane, and
- the following formulae (1) and (2) are satisfied, wherein A is the total of a cross-sectional area of the sacrificial thread and a cross-sectional area of the void, and B is the cross-sectional area of the sacrificial thread:
- 2000 μm2<A<6000 μm2 (1)
- 0.3≦B/A<1.0 (2).
Dependencies are inferred from the claim text.