Inorganic material

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 > Spacing elements inside cells other than separators, membranes or diaphragms (for preventing incorrect contact inside or outside batteries H01M50/584); Manufacturing processes thereof > characterised by the material > Inorganic material