X-SEPA multilayer polyimide separator for high-temperature lithium-ion batteries
A multilayer porous polyimide separator intended to enable high-temperature electrolyte use and extend lithium-ion battery cycle life in hot operating conditions.
Problem solved
Addresses accelerated battery degradation and separator shrinkage risk in high-temperature operation, where conventional polyolefin separators may not wet with viscous high-temperature electrolytes.
Application contexts
- High-temperature electric mobility
- Stationary batteries in hot climates
- Data-center backup power
- Marine battery systems
Technical principle
The company describes X-SEPA as a multilayer separator with uniformly ordered three-dimensional pores in a polyimide substrate. Its porous structure and electrolyte wettability are presented as enabling high-temperature electrolyte uptake.
Typical use cases
- Lithium-ion batteries operating in sustained hot climates
- Battery packs where reduced cooling-system burden is under evaluation
Partnership route
How global engineering teams typically engage this asset.
Helpful to include: cell format and separator dimensions · target operating temperature · electrolyte composition and viscosity · cycle-life target · abuse-test requirements · annual volume
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- Source: 3DOM Alliance: X-SEPA-equipped lithium-ion battery achieves extended life at high temperature
- Original language: JA
- Summary AI-assisted; translation status: Unreviewed