IPC Subgroup
H01M 50/35 Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
Introduced: January 2021
Full Title
Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells > Arrangements for facilitating escape of gases > Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2 direct subcodes
Child Classifications
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- H01M 50/358 External gas exhaust passages located on the battery cover or case
- H01M 50/367 Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems