Senior Material

Senior Material manufactures separator film and functional membrane solutions for the lithium-ion battery industry. Founded in 2003 in Shenzhen, the company produces separator film, a critical component in lithium-ion cells that governs safe and efficient battery operation, for electric vehicle and energy storage applications. It also supplies a broader portfolio of functional membranes, and describes itself as a world-leading manufacturer of separator film and one of the world's leading providers of functional membrane solutions.

The company's technical base spans separator film manufacturing, functional membrane development and battery safety and efficiency technology. It holds more than 500 patents, reflecting a sustained emphasis on materials research and innovation over more than two decades in operation.

Geographically, Senior Material's founding operations date from Shenzhen, China. In 2021 it established a European headquarters in Eskilstuna, Sweden, extending its presence across European and global markets. The company's work is tied to the lithium-ion battery, electric vehicle and energy storage sectors, and its European expansion is oriented towards the region's electrification of transport and battery manufacturing.