Catalyst coated membrane (CCM) and catalyst film/layer for alkaline membrane fuel cells and methods of making same
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United States of America Patent
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Nov 6, 2012
Grant Date -
Aug 26, 2010
app pub date -
Feb 23, 2010
filing date -
Feb 23, 2009
priority date (Note) -
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Abstract
Alkaline membrane fuel cells designed with silver cathode catalysts include a catalyst layer comprising silver metal nano-particles and an anion-conducting ionomer. The silver nano-particles are mixed with a solution of the ionomer to form a catalyst ink that is applied to an alkaline membrane to form an ultra-thin cathode catalyst layer on the membrane surface.
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