SAIC Motor, Applied Materials and an undisclosed automotive manufacturer combined for a round that followed the battery developer's $6.7m round last year.

US-based advanced battery developer SolidEnergy received $12m in series B funding on Friday from backers including Applied Materials and automotive manufacturer SAIC Motor.

The round was led by an undisclosed “major” US carmaker, while Applied participated through its Applied Ventures unit. SolidEnergy previously raised $6.7m from undisclosed backers in a round that closed in September 2015.

Founded in 2012, SolidEnergy is working on an ‘anode-free’ lithium-ion battery that could hypothetically be denser and safer than existing technology. It will ultimately…