Researchers at the Korea Institute of Science and Technology created a sodium high-capacity material that can store 1.5 times more electricity than the graphite anode.
The increase, which will bring total annual sales volumes to 13.8 million tonnes, comes on top of the half a million tonne output increase the company announced on June 7.
European carmakers are hoping to cut dependence on Asian cell suppliers as they roll out all-electric models to meet stricter emissions targets in the EU.
The province tightened up Tailings Storage Facilities regulations after a tailings pond at the Mount Polley copper mine collapsed, flooding Hazeltine Creek and Quesnel Lake with slurry.