Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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8/00
Fuel cells; Manufacture thereof
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H01M8/06
Combination of fuel cells with means for production of reactants or for treatment of residues
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H01M8/0662
Treatment of gaseous reactants or gaseous residues, e.g. cleaning
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H01M8/0681
Reactant purification by the use of electrochemical cells
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