The A123 Systems-backed battery materials tester has secured $20m in a series C round co-led by Flint Hills Resources that took its overall funding to more than $70m.
Fuel and chemical producer Flint Hills Resources had co-led a $20m series C round for US-based battery materials developer Wildcat Discovery Technologies with battery technology incubator InoBat and investment firm IPM Group.
The round also featured existing backers that included venture capital firms Presidio Partners, 5AM Ventures and Infield Capital.
Wildcat tests and synthesises possible materials for use in advanced batteries, and also works with partners on materials for technologies such as thermoelectrics – where electricity is generated through temperature…