Fuel cell startup/shutdown degradation mitigation by removal of oxygen ad/absorption media
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United States of America Patent
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Aug 1, 2023
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N/A
app pub date -
Mar 19, 2020
filing date -
Mar 21, 2019
priority date (Note) -
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Abstract
Aspects of methods and systems to reduce degradation of a fuel cell (110) during start-up and shut-down cycles are disclosed. An anode exhaust stream (201′) is periodically directed via fluid communication through an oxygen capture media (86). After shut-down of the fuel cell and before or during start-up said media (86) removes oxygen in the anode exhaust stream. Periodically, heating the oxygen capture media (86) is employed to purge the oxygen collected and regenerate the media.
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