IPC Subgroup
H01M 4/92 Metals of platinum group
Introduced: July 1974
Last revised: January 2006
Full Title
Electrodes > Inert electrodes with catalytic activity, e.g. for fuel cells > Selection of catalytic material > Metals of platinum group
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
Scope Notes
Limiting references: Non-porous diffusion electrodes, e.g. palladium membranes, ion exchange membranes