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IPC Subgroup
H01M 4/7

characterised by shape or form

Introduced: July 1974

Last revised: January 2006

Full Title

Electrodes > Electrodes composed of, or comprising, active material > Carriers or collectors > characterised by shape or form

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC ELEMENTS
Subclass:
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

5 direct subcodes

Child Classifications

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  • H01M 4/75 Wires, rods, or strips
  • H01M 4/76 Containers for holding the active material, e.g. tubes, capsules
  • H01M 4/78 Shapes other than plane or cylindrical, e.g. helical
  • H01M 4/8 Porous plates, e.g. sintered carriers