The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 10, 2019

Filed:

Mar. 11, 2011
Applicants:

Krista Marie Shoemaker, Woodbury, CT (US);

Robert Mason Darling, South Windsor, CT (US);

Laura Roen Stolar, South Windsor, CT (US);

Elise Lorraine Izzo, Windsor, CT (US);

Inventors:

Krista Marie Shoemaker, Woodbury, CT (US);

Robert Mason Darling, South Windsor, CT (US);

Laura Roen Stolar, South Windsor, CT (US);

Elise Lorraine Izzo, Windsor, CT (US);

Assignee:

AUDI AG, Ingolstadt, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/00 (2016.01); H01M 4/86 (2006.01); H01M 4/92 (2006.01); H01M 8/1004 (2016.01);
U.S. Cl.
CPC ...
H01M 4/8657 (2013.01); H01M 4/8605 (2013.01); H01M 4/8668 (2013.01); H01M 4/92 (2013.01); H01M 8/1004 (2013.01);
Abstract

A catalyst layer for use in a fuel cell includes catalytic nanoparticles and a perfluorosulfonic acid (PFSA) ionomer. The catalytic nanoparticles have a palladium or palladium alloy core and an atomically thin layer of platinum on an outer surface of the palladium or palladium alloy core. The PFSA ionomer has an equivalent weight equal to or greater than about 830. A unitized electrode assembly is also described.


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