POLYMER ELECTROLYTE MEMBRANE
First Claim
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1. A polymer electrolyte membrane comprising:
- a porous film; and
a polymer electrolyte,the porous film having a fibril/node area ratio of 90/10 to 75/25.
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Abstract
The present invention provides a polymer electrolyte membrane having excellent strength, a small dimensional change, and a low membrane resistance. The polymer electrolyte membrane includes a porous film and a polymer electrolyte. The porous film has a fibril/node area ratio of 90/10 to 75/25.
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Citations
12 Claims
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1. A polymer electrolyte membrane comprising:
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a porous film; and a polymer electrolyte, the porous film having a fibril/node area ratio of 90/10 to 75/25. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification