GAS DIFFUSION LAYER FOR FUEL CELLS
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United States of America Patent
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Issued Date -
Dec 8, 2022
app pub date -
Nov 5, 2020
filing date -
Nov 5, 2020
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Abstract
A gas diffusion layer for a fuel cell includes: a) a flat, electrically conductive fiber material; and b) a microporous layer on one surface of the fiber material. The gas diffusion layer has, with respect to a base area thereof (in an xy plane), at least one property gradient relating to at least one chemical and/or physical property.
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