DIFF Subgroup
H01M 8/02 Details (electrodes H01M4/86 - H01M4/98)
Introduced: July 1974
Title
Titles differ between systems:
IPC: Details
CPC: Details (electrodes H01M4/86 - H01M4/98)
Full Title
Full titles differ between systems:
IPC:
Fuel cells; Manufacture thereof > Details
CPC:
Fuel cells; Manufacture thereof > Details (electrodes H01M4/86 - H01M4/98)
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2016.
Child Classifications
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- H01M 8/0202 Collectors; Separators, e.g. bipolar separators; Interconnectors since 2016 +1 CPC IPC+CPC Available in IPC and CPC
- H01M 8/0271 Sealing or supporting means around electrodes, matrices or membranes since 2016 IPC+CPC Available in IPC and CPC
- H01M 8/0289 Means for holding the electrolyte (solid polymer electrolytes H01M8/1018) since 2016 IPC+CPC Available in IPC and CPC
- H01M 8/0297 Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other (H01M8/0271 takes precedence) since 2016 IPC+CPC Available in IPC and CPC