IPC Subgroup
H01M 12/08 composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
Introduced: July 1974
Last revised: January 2006
Full Title
Hybrid cells; Manufacture thereof > composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY