This long-term agreement includes guaranteed purchase and supply volume requirements and a five-year term.

Celgard battery separators are polypropylene (PP), polyethylene (PE), or trilayer PP/PE/PP electrolytic separator membranes. Separators are critical components of a Li-ion battery, providing a barrier between the anode and the cathode while enabling the exchange of lithium ions from one side of the battery to the other.

Polypore International, Inc. is a global high technology filtration company specializing in microporous membranes. Polypore’s flat sheet and hollow fiber membranes are used in specialized applications that require the removal or separation of various materials from liquids, primarily in the ultrafiltration and microfiltration markets.