Fuel cell system
The present invention is carried out to improve the starting capability of a fuel cell at low temperatures. The fuel cell system comprises a fuel cell which generate electric power by supplying hydrogen gas and a oxidant gas, a hydrogen gas passage for supplying hydrogen to the fuel cell , a hydroge...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present invention is carried out to improve the starting capability of a fuel cell at low temperatures. The fuel cell system comprises a fuel cell which generate electric power by supplying hydrogen gas and a oxidant gas, a hydrogen gas passage for supplying hydrogen to the fuel cell , a hydrogen off gas circulation passage for returning the hydrogen off gas to the hydrogen supply flow path , a hydrogen pump provided at the hydrogen gas off gas circulation passage for boosting the hydrogen off gas, a hydrogen off gas bypass passage for returning the hydrogen off gas to the hydrogen supply flow path , an ejector for sending hydrogen off gas in the hydrogen off gas bypass passage provided in the hydrogen gas supply flow path to the hydrogen supply flow path |
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