DIFF Subgroup
H01M 50/131 characterised by physical properties, e.g. gas permeability, size or heat resistance
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 > Primary casings; Jackets or wrappings > characterised by physical properties, e.g. gas permeability, size or heat resistance
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
IPC defines codes here since 2021.
Child Classifications
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