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.:

US 6800388 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 05, 2004

Filed:

Feb. 12, 2001
Applicant:
Inventors:

Hiroaki Kaneko, Kanagawa-ken, JP;

Fumihiro Haga, Kanagawa-ken, JP;

Assignee:

Nissan Motor Co., Ltd., Yokohama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/06 ; H01M 8/12 ;
U.S. Cl.
CPC ...
H01M 8/06 ; H01M 8/12 ;
Abstract

A catalyst composition contains a perovskite composite oxide of the type expressed by a rational formula ABO , wherein A consists of two types of constituent elements of A′ and A″ and B consists of two types of constituent elements of B′ and B″, and the perovskite composite oxide is expressed by a general formula A′ A″ B′ B″ O . The A′ is La or Ce, the A″ is at least one element selected from the group consisting of La, Ca, Sm, Ce, Sr, Ba and Pr, the B′ is at least one type element selected from the group consisting of Co, Fe, Mn and Gd, and the B″ is any one type of a noble metal such as Ru, Rh, Pd, Pt, or the like. This catalyst composition can be employed as a reforming catalyst of the alcohol or the hydrocarbon-based gas to produce hydrogen gas for a fuel cell, or as an electrode catalyst.


Find Patent Forward Citations

Kaneko, Hiroaki. (2004). Catalyst composition (U.S. Patent No. 6800388). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6800388

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