| http://www.w3.org/ns/prov#value | - Vulcan XC-72 or Conductex 975 is desirably heat-treated at high temperatures in vacuum or in an inert gas atmosphere to perform a partial graphitization treatment and thereby to increase corrosion resistance as a carrier of electrocatalyst used under highly corrosive conditions in which an acid electrolyte at high temperatures and an oxidizer such as oxygen are present.
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