Fig 11. SEM-EDS for CCell cartridge associated with EVALI case.

a) battery contact exhibiting Ni with Cu and Zn. Gasket exhibited Si with O and C. b) Polymer plug exhibiting Si with minor O and C. c) Ceramic exhibiting Si with minor O, Al, K, Na, and P. d) Filament with Fe, Cr, and Ni, and wire lead with Ni. A section of the wire lead near the battery contact (see Fig 2D) also had minor Fe, Cr, and Co. e) fibrous insulation with C, O, and striated profile.