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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 9490494 B1

PDFFull Text
Date of Patent:
Nov. 08, 2016

Filed:

May. 07, 2012

Fuel cell system

Applicants:

Yuji Kakeno, Nisshin, JP;

Hideaki Mizuno, Owariasahi, JP;

Kenji Umayahara, Miyoshi, JP;

Yoshiaki Naganuma, Toyota, JP;

Masashi Toida, Nagoya, JP;

Inventors:

Yuji Kakeno, Nisshin, JP;

Hideaki Mizuno, Owariasahi, JP;

Kenji Umayahara, Miyoshi, JP;

Yoshiaki Naganuma, Toyota, JP;

Masashi Toida, Nagoya, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-Shi, JP;

Attorney:

Andrews Kurth Kenyon LLP

Primary Examiner:

Paul Dinh

Int. Cl.
CPC ...
H02J 7/00 (2006.01); H01M 8/04 (2016.01); H01M 16/00 (2006.01); H02J 1/00 (2006.01); H02J 7/34 (2006.01); B60L 1/00 (2006.01); B60L 3/00 (2006.01); B60L 7/14 (2006.01); B60L 11/18 (2006.01); B60L 15/20 (2006.01); H01M 8/10 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04865 (2013.01); B60L 1/003 (2013.01); B60L 3/0053 (2013.01); B60L 7/14 (2013.01); B60L 11/1803 (2013.01); B60L 11/1861 (2013.01); B60L 11/1887 (2013.01); B60L 15/2009 (2013.01); H01M 8/04544 (2013.01); H01M 8/10 (2013.01); H01M 16/006 (2013.01); H02J 1/00 (2013.01); H02J 7/007 (2013.01); H02J 7/0052 (2013.01); H02J 7/34 (2013.01); B60L 2210/14 (2013.01); B60L 2240/12 (2013.01); B60L 2240/14 (2013.01); B60L 2240/421 (2013.01); B60L 2240/423 (2013.01); B60L 2240/547 (2013.01); H01M 2008/1095 (2013.01); H01M 2250/20 (2013.01); H02J 2001/004 (2013.01); Y02E 60/50 (2013.01); Y02T 10/645 (2013.01); Y02T 10/705 (2013.01); Y02T 10/7044 (2013.01); Y02T 10/7225 (2013.01); Y02T 10/7275 (2013.01); Y02T 90/32 (2013.01); Y02T 90/34 (2013.01);
Abstract

If a required voltage which corresponds to a required power has reached a boundary voltage, which is an oxidation-reduction potential of platinum, which constitutes a catalyst of a fuel cell, the fuel cell system performs crossover-avoidance control that holds an FC instruction voltage for the fuel cell at the boundary voltage, and absorbs the gap between the required voltage and the FC instruction voltage by using a secondary battery.

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