Polymer electrolyte for a direct oxidation fuel cell, method of preparing the same, and direct oxidation fuel cell comprising the same
First Claim
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1. A polymer electrolyte membrane for direct oxidation fuel cells comprising:
- a porous polymer supporter defining a plurality of pores; and
a hydrocarbon fuel diffusion barrier layer having a thickness between 2 and 10 μ
m on the porous polymer supporter and comprising an inorganic additive dispersed in a cation exchange resin,wherein at least a portion of the hydrocarbon fuel diffusion barrier layer comprises a discrete layer over a top surface of the porous polymer supporter.
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Abstract
A polymer electrolyte membrane for a direct oxidation fuel cell includes a porous polymer supporter having a plurality of pores, and a hydrocarbon fuel diffusion barrier layer which is formed on the polymer supporter and contains an inorganic additive dispersed in a cation exchange resin.
24 Citations
28 Claims
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1. A polymer electrolyte membrane for direct oxidation fuel cells comprising:
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a porous polymer supporter defining a plurality of pores; and a hydrocarbon fuel diffusion barrier layer having a thickness between 2 and 10 μ
m on the porous polymer supporter and comprising an inorganic additive dispersed in a cation exchange resin,wherein at least a portion of the hydrocarbon fuel diffusion barrier layer comprises a discrete layer over a top surface of the porous polymer supporter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification