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1. (WO2018105205) FUEL CELL SYSTEM

Pub. No.:    WO/2018/105205    International Application No.:    PCT/JP2017/035202
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Fri Sep 29 01:59:59 CEST 2017
IPC: H01M 8/04
H01M 8/10
Inventors: IKOMA Atsuki
生駒 篤樹
Provided is a fuel cell system whereby a reduction in the amount of cooling medium can be prevented. This fuel cell system comprises: a power-generating unit; a cooling medium flow path wherethrough the cooling medium for cooling the power-generating unit flows; a tank disposed, on the cooling medium flow path, at a lower position in the vertical direction than the power-generating unit, and storing the cooling medium; an air flow path connecting the tank to the uppermost portion in the vertical direction of the cooling medium flow path; and an opening-closing valve provided on the air flow path. By bringing the opening-closing valve to an open state, the air inside the tank is introduced via the air flow path into the cooling medium flow path, and the cooling medium in the cooling medium flow path is introduced into the tank. Since the cooling medium flow path does not communicate with the atmosphere, vaporized cooling medium is prevented from being released into the atmosphere, thereby preventing a reduction in the amount of cooling medium.