CPC Subgroup
H01M 8/04223 during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
Full Title
Fuel cells; Manufacture thereof > Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids > during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
7 direct subcodes
Child Classifications
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- H01M 8/04225 during start-up
- H01M 8/04228 during shut-down