Honda Motor Co., Ltd.

Kazuki Yanagisawa

Masahiro Mohri

Misato Maki

An inner case of an electrolysis system houses therein an electrolysis stack. An intermediate case encloses the inner case from outside. An outer case encloses the intermediate case from outside. A method of operating the electrolysis system includes a vacuum step, a heat storage step, and an electrolysis starting step. In the vacuum step, air in a vacuum space formed between the intermediate case and the outer case is discharged. In the heat storage step, a heating fluid is supplied to a heat storage space formed between the inner case and the intermediate case.

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Wako, Japan

Kazuki Yanagisawa