Separator Sheets
SEI's Li-ion conductive separator is a drop-in replacement for conventional separators that eliminates liquid electrolyte from the separator layer. By transporting Li-ions through a solid-state electrolyte coating layer, it mitigates thermal runaway, reduces cell resistance, and prevents irreversible capacity loss—delivering superior energy output and enhanced safety
-
Lithium-ion conductive separator
Regular price From $499.99 USDRegular priceSale price From $499.99 USD
Custom Separators
SEI also specializes in custom fabrication of separators materials (powders and sheets), engineered for safety, high capacity, long cycle life, fast charging, and reliable low-temperature performance.
-
Custom Li-ion Separator
Regular price From $499.99 USDRegular priceSale price From $499.99 USD