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.
Patent No.:
Date of Patent:
Jul. 10, 2007
Filed:
Jul. 21, 2003
Fenglian Chang, Grand Blanc, MI (US);
Rick D. Kerr, Fenton, MI (US);
Earl Lankheet, Grand Blanc, MI (US);
David A. Thompson, Grand Blanc, MI (US);
Fenglian Chang, Grand Blanc, MI (US);
Rick D. Kerr, Fenton, MI (US);
Earl Lankheet, Grand Blanc, MI (US);
David A. Thompson, Grand Blanc, MI (US);
Delphi Technologies, Inc., Troy, MI (US);
Abstract
A method for forming an electrode comprises: combining a platinum precursor with a gold precursor to form an electrode ink; forming the electrode ink into an electrode precursor; firing the electrode precursor to form the electrode; treating the electrode in an environment having an oxygen partial pressure of less than or equal to 500 ppm oxygen for a period of time sufficient produce an electrode with an exposed surface gold concentration of greater than or equal to about 6 times a bulk gold concentration in the electrode.