H
ELECTRICITY
H01
ELECTRIC ELEMENTS
H01M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
H01M50/00
Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
H01M50/10
Primary casings; Jackets or wrappings
H01M50/102
characterised by their shape or physical structure
H01M50/103
prismatic or rectangular