Electrode catalyst, method for producing the same, and electrode catalyst layer using electrode catalyst
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United States of America
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Sep 10, 2019
Grant Date -
May 30, 2019
app pub date -
May 10, 2017
filing date -
May 10, 2017
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Abstract
Provided is an electrode catalyst having enhanced catalytic activity (oxygen reduction reaction (ORR) specific activity). Disclosed is an electrode catalyst containing a catalyst metal particle(s) and a spacer(s) supported on a catalyst support, in which a ratio (dsp/dcat) of an average diameter of the spacer(s) (dsp) with respect to an average diameter of the catalyst metal particle(s) (dcat) is from 3.5 to 10.
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