H ELECTRICITY
H01 ELECTRIC ELEMENTS
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4/00 Electrodes
H01M4/02 Electrodes composed of, or comprising, active material
H01M4/04 Processes of manufacture in general
H01M4/0438 by electrochemical processing
H01M4/044 Activating, forming or electrochemical attack of the supporting material
H01M4/0445 Forming after manufacture of the electrode, e.g. first charge, cycling
H01M4/0447 of complete cells or cells stacks