Fine particle composite, method for producing the same, catalyst used for solid polymer fuel cell, and solid polymer fuel cell
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United States of America Patent
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Nov 24, 2015
Grant Date -
Aug 26, 2010
app pub date -
Sep 12, 2008
filing date -
Sep 14, 2007
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Abstract
This invention provides a fine particle composite comprising fine particles of a sulfide or sulfide complex comprising at least one element selected from the group consisting of molybdenum (Mo), rhodium (Rh), ruthenium (Ru), and rhenium (Re) and conductive fine particles via a step of preparing a solvent mixture from a compound containing conductive carbon powder, at least one compound containing an element selected from among molybdenum (Mo), rhodium (Rh), ruthenium (R), and rhenium (Re), and sulfur (S) and a step of conducting a hydrothermal or solvothermal reaction at a pressure and temperature that convert the solvent mixture into a supercritical or subcritical water or solvent.
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