CPC Subgroup
H01M 50/429 Natural polymers
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 > Separators, membranes or diaphragms characterised by the material > Organic material > Natural polymers
1 direct subcode
Child Classifications
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