NanoGraf, an advanced battery materials company and enabler of the world's most energy-dense lithium-ion 18650 cell, today announced that it has raised $65 million in an oversubscribed Series B funding round.

The funding round was co-led by Volta Energy Technologies and CC Industries (CCI) with participation from GIC, Emerald Technology Ventures, Material Impact, Arosa Capital, Nabtesco Technology Ventures, and TechNexus. Existing investors including Hyde Park Angels, Evergreen Climate Innovations, and Goose Capital also participated in the round. NanoGraf had previously raised a total of $27 million in funding from a mix of venture, angel and non-dilutive funding sources.

NanoGraf is an advanced battery material company whose patented silicon-anode technology enables longer-lasting, higher-energy, and higher-power lithium-ion batteries. NanoGraf works with more than 50 companies, including some of the world's leading consumer electronics, household appliance, and power tool brands, and over 12 strategic partners in electric mobility (from startups to Fortune 100s). NanoGraf is a spinout of Northwestern University and Argonne National Laboratory.