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Title: Method of forming catalyst layer by single step infiltration

Patent ·
OSTI ID:1438385

Provided herein is a method for electrocatalyst infiltration of a porous substrate, of particular use for preparation of a cathode for a solid oxide fuel cell. The method generally comprises preparing an electrocatalyst infiltrate solution comprising an electrocatalyst, surfactant, chelating agent, and a solvent; pretreating a porous mixed ionic-electric conductive substrate; and applying the electrocatalyst infiltration solution to the porous mixed ionic-electric conductive substrate.

Research Organization:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)
Sponsoring Organization:
USDOE
Assignee:
U.S. Department of Energy (Washington, DC)
Patent Number(s):
9,960,428
Application Number:
15/208,912
OSTI ID:
1438385
Resource Relation:
Patent File Date: 2016 Jul 13
Country of Publication:
United States
Language:
English

References (1)

Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells patent-application February 2004