H
ELECTRICITY
H01
ELECTRIC ELEMENTS
H01M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
H01M4/02
Electrodes composed of, or comprising, active material
H01M4/36
Selection of substances as active materials, active masses, active liquids
H01M4/40
Alloys based on alkali metals
H01M4/405
Alloys based on lithium