Coreshell Raises $24M to Scale Silicon-Based EV Battery Production

Battery innovator Coreshell secures funding to accelerate manufacturing of high-density, fast-charging EV batteries that reduce reliance on graphite.

Scaling a New Era of EV Batteries

California-based Coreshell has raised $24 million to expand production of its silicon-based electric vehicle (EV) batteries, which offer higher energy density, faster charging, and lower costs than traditional graphite-based alternatives.

Founded in 2017, Coreshell has developed a metallurgical silicon anode that boosts battery energy density by 30-40%, enabling longer driving ranges with smaller, lighter batteries. The technology also allows EVs to charge in under 15 minutes, addressing a major pain point in battery adoption.

CEO Jonathan Tan emphasized that supply chain resilience is as critical as battery performance:

"Automakers recognize that range, cost reduction, and reliance on foreign graphite are key adoption barriers. Coreshell’s domestically sourced silicon solution strengthens the supply chain and improves sustainability."

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Strategic Funding & Industry Backing

The funding round was anchored by Ferroglobe, one of the world’s largest silicon metal producers, along with Zeon Ventures. Other investors include:

• Lane Ventures
• Entrada Ventures
• Helios Climate Ventures
• Trousdale Ventures

Ferroglobe’s Benoist Ollivier highlighted Coreshell’s potential:

"After rigorous lab testing, we believe Coreshell’s technology is key to cutting EV costs and securing a domestic battery supply chain."

Expanding Production & Industry Adoption

Coreshell will use the funding to scale its California production plant and open an additional facility. The company plans to start delivering battery samples to global automakers this year.

With its cost-effective and U.S.-sourced battery materials, Coreshell is positioned to drive EV adoption while reducing dependence on Chinese graphite imports.

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