Teijin: Signed license with Shanghai Energy Company, China: LIB solvent separator manufacturing technology

Teijin: Signed license with Shanghai Energy Company, China: LIB solvent separator manufacturing technology

November 21, 2019

Teijin: Shanghai Energy Company, China

Teijin Limited has signed a “Technology License for Solvent-Based Coating Separator Manufacturing” with Shanghai Ongaku New Materials Technology Co., Ltd. (Shanghai Energy).

This technology is used in the manufacture of automotive lithium-ion secondary battery (LIB) separators.

Separator coating technology for improving LIB performance and safety.

background:

EVs are accelerating against the background of global environmental regulations.

Demand for LIBs that can withstand long distances is growing

Teijin’s original technology:

Polyethylene-based meta-aramid “Conex”
Developed separator coated with fluorine compound

Until now, it has been developed for consumer LIBs such as smartphones and notebook PCs.

Future plan:

By combining Teijin’s coating technology for separators with Shanghai Energy’s base material production capacity and cost competitiveness, we will improve our presence in the market. .

This contract:

This is about our solvent-based coating separator technology using our own fluorine-based compounds.

We will improve the performance and safety of LIB for EV.

What is licensed

Patents related to coating composition,
Patents related to production processes

By signing this contract, we will improve the base material production capacity and cost competitiveness of Shanghai Energy.

News | Teijin Limited

https://www.teijin.co.jp/news/2019/20191121_1854.html