H
ELECTRICITY
H
ELECTRICITY
H01
ELECTRIC ELEMENTS
H01
ELECTRIC ELEMENTS
H01M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
H01M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10/00
Secondary cells; Manufacture thereof
10/00
Secondary cells; Manufacture thereof
H01M10/42
Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M10/42
Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells