# Blue Current

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/blue-current

- Industry: Energy Storage & Batteries
- Headquarters: Hayward, US
- Website: www.bluecurrent.com
- Total disclosed funding: $111M
- Latest round: Series D (Sep 22, 2025)
- Investors on record: 5

## About

Founded in 2015, and based in California, US, Blue Current, Inc. makes solid-state silicon elastic ceramic batteries for the new energy economy. As of December 2025, Susan Stone is the CEO of the company. In September 2025, Blue Current Inc. raised USD 81 million in series D funding led by Amazon, with participation from Piedmont Capital Investments, Rusheen Capital Management, Allen & Company, and Koch Strategic. The round was the part of larger USD 111 million series D funding

The company manufactures completely dry silicon elastic composite solid-state batteries to power the new energy economy including electric vehicles, grid storage, and consumer electronics. The firm's technology combines the mechanical elasticity and adhesive capabilities of polymers with the ionic conductivity of glass-ceramics to create a fully dry solid-state battery with a high silicon content anode to increase energy density. 

The organization plans to use the September 2025 funding to accelerates the commercialization phase of its silicon composite battery platform.

## Funding rounds

- Series D, Sep 22, 2025, $81M — Allen & Company, Koch Disruptive Technologies, Amazon, Rusheen Capital Management
- Series D, Jan 10, 2022, $30M — Koch Strategic Platforms

## Investors

- Koch Strategic Platforms (https://capitalatlas.ai/funds/koch-strategic-platforms) — Series D
- Allen & Company — Series D
- Koch Disruptive Technologies (https://capitalatlas.ai/funds/koch-disruptive-technologies) — Series D
- Amazon (https://capitalatlas.ai/funds/amazon) — Series D
- Rusheen Capital Management (https://capitalatlas.ai/funds/rusheen-capital-management) — Series D