Direct dimethyl ether fuel cells
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United States of America Patent
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Aug 17, 2004
Grant Date -
N/A
app pub date -
Feb 24, 1999
filing date -
Feb 25, 1998
priority date (Note) -
Expired
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Abstract
Low temperature fuel cells, e.g. solid polymer fuel cells, can operate directly on a fuel comprising dimethyl ether with dimethyl ether being oxidized at the fuel cell anode. Being highly soluble in water, dimethyl ether can be supplied as a liquid aqueous fuel solution. As a fuel, dimethyl ether provides similar power characteristics as methanol but typically with a greater Faradaic efficiency in liquid feed solid polymer fuel cells.
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