Aceleron, the UK company which is pioneering sustainable battery technology, has raised a further £2.5m as it continues to expand its global sales. The latest funding has come from existing investors BGF, the MEIF Proof of Concept & Early Stage Fund, which is managed by Mercia and part of the Midlands Engine Investment Fund, and Mercia's EIS funds. It brings the total raised by the company so far to £5.4m.