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Energy Tech Series C Founded 2017

Coreshell

Coreshell develops battery technology utilizing metallurgical silicon anodes to deliver high-performance, low-cost energy storage for electric vehicles and broader electrification applications. The company patented technology enables the use of metallurgical-grade silicon, an unprocessed and naturally abundant form of silicon that can store 10x more energy than traditional graphite anodes, without the expense and…

📍 San Leandro, United States · Energy Storage Tech

Funding snapshot

Last roundSeries C
Amount$46M
Date20 March 2026
Total raised$88M
Valuation9,439,518 (Feb 1, 2019)
Team size59

About

Coreshell develops battery technology utilizing metallurgical silicon anodes to deliver high-performance, low-cost energy storage for electric vehicles and broader electrification applications. The company patented technology enables the use of metallurgical-grade silicon, an unprocessed and naturally abundant form of silicon that can store 10x more energy than traditional graphite anodes, without the expense and scalability challenges of highly processed synthetic silicon. This approach provides the fastest path to decarbonization by leveraging Earth most abundant materials while achieving radically lower battery costs. Coreshell has launched 60 Ah battery cells and its technology addresses key battery industry challenges including driving range, cost reduction, and supply chain security. The company American-sourced anodes are already NDAA-compliant, enabling onshore manufacturing of the entire battery supply chain in the United States, which is critical for national security and defense applications. Coreshell partners with Ferroglobe for battery-grade metallurgical silicon production and has won the East Bay Innovation Award. The company has been featured in TechCrunch, Forbes, Reuters, and CleanTechnica for its breakthrough approach to making affordable LFP batteries without sacrificing range. Founded in 2017 and headquartered in San Leandro, California, Coreshell has raised approximately $88 million in Series C funding from investors including Foothill Ventures, Entrada Ventures, Translink Investment, Industry Ventures, Helios Climate Ventures, Trousdale Ventures, Ferroglobe, Lane VC, and the California Energy Commission.

Business model

Energy Storage Tech > Battery > Components > Nano Coatings

Founders & team highlights

Serial Founder

Team background

Top Rated Teams > Serial Entrepreneur,

College Wise > University of California (Berkeley)

Institutional investors

SBIR California Energy Commission Alchemist Accelerator Foothill Ventures Entrada Ventures Baruch Future Ventures Berkeley SkyDeck Translink Investment Industry Ventures Helios Climate Ventures Asymmetry Ventures Trousdale Ventures Zeon Ventures Ferroglobe Lane VC

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