Patent classifications
H
ELECTRICITY
Load children
H01
ELECTRIC ELEMENTS
Load children
H01M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
Load children
H01M4/86
Inert electrodes with catalytic activity, e.g. for fuel cells
Load children Filter patents View analytics View as hierarchy
H01M4/90
Selection of catalytic material
Load children Filter patents View analytics View as hierarchy
H01M4/9075
Catalytic material supported on carriers, e.g. powder carriers
Load children Filter patents View analytics View as hierarchy
H01M4/9083
on carbon or graphite
Filter patents View analytics View as hierarchy