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Title: Fuel cell nanocatalyst

Patent ·
OSTI ID:1531613

A fuel cell cathode catalyst is provided comprising nanostructured elements comprising microstructured support whiskers bearing nanoscopic catalyst particles; wherein the catalyst comprises platinum and manganese and at least one other metal selected from the group consisting of Group VIb metals, Group VIIb metals and Group VIIIb metals other than platinum and manganese; wherein the volume ratio of platinum to the sum of all other metals in the catalyst is between about 1 and about 4 and wherein the Mn content is equal to or greater than about 5 micrograms/cm2 areal density. Typically, the volume ratio of manganese to the at least one other metal is between 10:90 and 90:10. Typically, the at least one other metal is Ni or Co. In addition, a fuel cell MBA comprising the present cathode catalyst is provided. In addition, methods of making the present cathode catalyst are provided.

Research Organization:
3M Innovative Properties Company
Sponsoring Organization:
USDOE
DOE Contract Number:
FC36-02AL67621
Assignee:
3M Innovative Properties Company (St. Paul, MN)
Patent Number(s):
7,622,217
Application Number:
11/248,561
OSTI ID:
1531613
Resource Relation:
Patent File Date: 2005-10-12
Country of Publication:
United States
Language:
English

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Cited By (9)

Vertically aligned titanium oxide nanotubes for fuel cell electrodes patent October 2018
Bimetallic alloy electrocatalysts with multilayered platinum-skin surfaces patent January 2016
Bipolar plates and electrochemical cells employing the same patent October 2014
Casting solution and method for making a polymer electrolyte membrane patent May 2015
Fuel cell water management via reduced anode reactant pressure patent March 2016
Reinforced electrolyte membrane patent February 2018
Platinum nickel catalyst alloy patent October 2013
Fuel cell nanocatalyst with voltage reversal tolerance patent January 2014
Annealed nanostructured thin film catalyst patent June 2014

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