Title:
FUEL CELL PROTECTION
Document Type and Number:
WIPO Patent Application WO2004114449
Kind Code:
A3
Abstract:
The invention relates to a method of protecting a fuel cell (12) comprising elementary cells, whereby said cell is supplying electric power in response to a power demand. Moreover, a booster circuit (30) is adapted to supply complementary electric power in order to assist the fuel cell. The inventive method comprises the following steps consisting in: determining a parameter that is representative of the minimum voltage from among the voltages at the terminals of each elementary cell; and controlling the complementary electric power supplied by the booster circuit, such that the minimum voltage remains above a determined threshold. The invention also relates to a fuel cell booster device.
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Inventors:
CHARLAT PIERRE (FR)
Application Number:
PCT/FR2004/050276
Publication Date:
March 30, 2006
Filing Date:
June 17, 2004
Export Citation:
Assignee:
PROCEDES GEORGES CLAUDE L AIR (FR)
CHARLAT PIERRE (FR)
CHARLAT PIERRE (FR)
International Classes:
H01M8/04; H01M8/24; H01M16/00; G01R31/36; H01M2/34; (IPC1-7): H01M8/24; H01M8/02; H01M16/00; H01M8/04
Domestic Patent References:
| WO1999067869A1 | 1999-12-29 |
Foreign References:
| US20030022031A1 | 2003-01-30 | |||
| US3443115A | 1969-05-06 | |||
| EP1286405A1 | 2003-02-26 | |||
| US4741978A | 1988-05-03 | |||
| EP1414091A2 | 2004-04-28 | |||
| US20040061474A1 | 2004-04-01 | |||
| US20040202900A1 | 2004-10-14 |
Other References:
DATABASE WPI Section EI Week 199913, Derwent World Patents Index; Class X16, AN 1999-143492, XP002273810
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