DIFF Subgroup
H01M 50/40 Separators; Membranes; Diaphragms; Spacing elements inside cells
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 > Separators; Membranes; Diaphragms; Spacing elements inside cells
IPC and CPC are identically structured here. All 6 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2021.
Child Classifications
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- H01M 50/403 Manufacturing processes of separators, membranes or diaphragms since 2021 IPC+CPC Available in IPC and CPC
- H01M 50/409 Separators, membranes or diaphragms characterised by the material since 2021 IPC+CPC Available in IPC and CPC
- H01M 50/46 Separators, membranes or diaphragms characterised by their combination with electrodes since 2021 +1 CPC IPC+CPC Available in IPC and CPC
- H01M 50/463 Separators, membranes or diaphragms characterised by their shape since 2021 IPC+CPC Available in IPC and CPC
- H01M 50/471 Spacing elements inside cells other than separators, membranes or diaphragms (for preventing incorrect contact inside or outside batteries H01M50/584); Manufacturing processes thereof since 2021 IPC+CPC Available in IPC and CPC
- H01M 50/489 Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties since 2021 IPC+CPC Available in IPC and CPC