NanoGraf Corporation

NanoGraf Corporation, based in Chicago since 2012, develops advanced silicon-graphene anode materials for lithium-ion batteries, increasing energy density by up to 50%. Their innovative technology supports electric vehicles, consumer electronics, and military applications, strengthening the U.S. battery supply chain.

Company Location

Country:

United States

City:

Chicago, IL

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Company Overview

NanoGraf Corporation is a leading developer of advanced silicon-based anode materials for lithium-ion batteries. Founded in 2012 in Chicago, IL, the company’s mission is to deliver superior energy storage solutions through innovative silicon-graphene technology for electric vehicles, consumer electronics, and military applications in the U.S. battery supply chain.

Battery Technology

Proprietary silicon-oxide anode material combining silicon with graphene to address volume expansion, offering up to 50% increased energy density, 20% extended EV range, over 1,000 cycles to 80% capacity, 90% retention after three months at high temperature, reduced expansion, and cost parity with synthetic graphite.

Products

Silicon-oxide anode materials featuring 50% higher energy density vs. graphite, 20–28% EV range increase, >1,000 cycle life, 90% capacity retention at high temperature, reduced volume expansion; 3.8 Ah 18650 cells certified to UL1642 and IEC62133 for mass production.

Recent Projects

Late 2024: $60 million DOE grant for a $175 million plant in Flint, Michigan to produce 2,500 t/year of silicon anode material supporting 1.5 million EVs; new Chicago facility at 455 N. Ashland Ave creating 60 jobs; UL1642 and IEC62133 certifications for 3.8 Ah 18650 cell enabling 2024 mass production.

Investors

Series B round raised $65M, co-led by Volta Energy Technologies and CC Industries; additional investors include GIC, Emerald Technology Ventures, Material Impact, Arosa Capital Management, Evergreen Climate Innovations, GOOSE Capital, Hyde Park Angels, Nabtesco Technology Ventures, and TechNexus Venture Collaborative.

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