IPC Subgroup
H01M 10/2 Semi-lead accumulators, i.e. accumulators in which only one electrode contains lead
Introduced: July 1974
Last revised: January 2006
Full Title
Secondary cells; Manufacture thereof > Semi-lead accumulators, i.e. accumulators in which only one electrode contains lead
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
1 direct subcode
Child Classifications
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- H01M 10/22 Selection of materials as electrolytes