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PCE
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DIFF Subgroup
H01M 8/023

Porous and characterised by the material

Introduced: January 2016

Full Title

Full titles differ between systems:

IPC:

Fuel cells; Manufacture thereof > Details > Collectors; Separators, e.g. bipolar separators; Interconnectors > Porous and characterised by the material

CPC:

Fuel cells; Manufacture thereof > Details (electrodes H01M4/86 - H01M4/98) > Collectors; Separators, e.g. bipolar separators; Interconnectors > Porous and characterised by the material

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

IPC defines codes here since 2016.

Child Classifications

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  • H01M 8/0232 Metals or alloys since 2016 IPC+CPC Available in IPC and CPC
  • H01M 8/0234 Carbonaceous material since 2016 IPC+CPC Available in IPC and CPC
  • H01M 8/0236 Glass; Ceramics; Cermets since 2016 IPC+CPC Available in IPC and CPC
  • H01M 8/0239 Organic resins; Organic polymers since 2016 IPC+CPC Available in IPC and CPC