CPC Subgroup
H01M 8/0656 by electrochemical means (H01M8/065 takes precedence)
Full Title
Fuel cells; Manufacture thereof > Combination of fuel cells with means for production of reactants or for treatment of residues (regenerative fuel cells H01M8/18) > with means for production of gaseous reactants > by electrochemical means (H01M8/065 takes precedence)