Process for producing polybenzimidazole pastes and gels for use in fuel cells
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United States of America Patent
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Aug 31, 1999
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app pub date -
Jul 16, 1997
filing date -
Jul 16, 1997
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Abstract
A method for producing polybenzimidazole (PBI) paste or gel useful in a fuel cell, mixing PBI polymer with a suitable amount of an acid, which permits the polymer to dissolve and form a matrix having a gel-like or paste-like consistency at room temperature.
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