Patent ID: 7892700
Filing Date: 2011-02-22
Classification: H01M,Y02E,Y02P

Abstract:
1. An electrode catalyst used in a fuel cell, the electrode catalyst being supported by a conductive support and comprising: an ionically bonded compound having an active Pt-based metal and halogen; and an ionically bonded compound having an inactive La-based metal and halogen, wherein the ionically bonded compound having the active Pt-based metal and halogen, and the ionically bonded compound having the inactive La-based metal and halogen are uniformly dispersed with the conductive support and do not form an alloy, wherein the Pt-based metal comprises Pt, and wherein the inactive La-based metal comprises at least one lanthanoid selected from the group consisting of Tm, Lu, Yb, Er, Ho, Dy, Tb, Gd, Eu, and La.