# Blue Current, Inc.

> Blue Current is a Hayward, California solid-state battery developer building what it calls a 'silicon-first,' fully dry battery platform. Its Silicon Elastic Composite chemistry ties glass-ceramic electrolyte particles to silicon anode particles with compliant polymers, constraining silicon swelling so high-silicon cells can cycle stably at low pressure without flammable liquids or PFAS. Positioned as a safety-focused, B2B licensing and pilot-manufacturing company, Blue Current targets electric mobility, grid-scale storage, and consumer devices, and closed an $80M+ Series D extension led by Amazon in December 2025.

- **Founded:** 2014
- **Headquarters:** Hayward, California, United States
- **Founders:** Nitash Balsara (Co-Founder, Scientific Adviser & Board Member (UC Berkeley professor)), Joseph M. DeSimone (Co-Founder & Board Adviser), Kevin Wujcik (Co-Founder & Chief Technology Officer), Alexander A. Teran (Co-Founder (early electrolyte research))
- **Team size:** ~60 employees
- **Products:** Silicon Elastic Composite Solid-State Battery, Pilot-Line Sample Cells, Technology Licensing & Joint Development
- **Notable:** Closed $80M+ Series D extension led by Amazon (December 2025), Operational pilot line producing 2Ah pouch cells (2025), 25+ patent families spanning materials, integration, and manufacturing

## Products & services

- **Silicon Elastic Composite Solid-State Battery** — A fully dry (liquid-free) all-solid-state cell that binds glass-ceramic electrolyte particles to high-content silicon anode particles using compliant polymers, constraining silicon swelling and preventing extra SEI formation so cells cycle stably at low pressure. Company-stated specs include ~750 Wh/L energy density, 1,000-1,500 cycles at 80%+ retention, and 15-minute charge to 50%.
- **Pilot-Line Sample Cells** — 2Ah pouch cells produced on an operational pilot line at the Hayward facility for customer testing and qualification, manufacturable on existing lithium-ion equipment and eliminating costly formation/aging steps.
- **Technology Licensing & Joint Development** — B2B licensing of the dry silicon solid-state chemistry to battery and automotive manufacturers, plus joint development agreements integrating partner battery materials.

## Achievements

- Closed $80M+ Series D extension led by Amazon (December 2025)
- Operational pilot line producing 2Ah pouch cells (2025)
- 25+ patent families spanning materials, integration, and manufacturing
- Third-party-validated safety testing (nail, crush, overcharge) with no thermal runaway
- Secured strategic investment from Koch (2022) and Umicore joint development
- Amazon's James Hamilton joined the board (2025)

## Latest updates

- **2025-12** — Closed an $80M+ Series D extension led by Amazon; James Hamilton (Amazon SVP) joined the board.
- **2025-03** — Pilot line milestones and industry coverage of the dry silicon composite chemistry; 2Ah pouch cells for customer qualification.
- **2024-12** — Susan Stone appointed CEO to lead the company's battery-safety strategy.
- **2024-06** — CTO Kevin Wujcik presented at the Solid-State Battery Summit 2024.

## Links

- Website: https://bluecurrent.com
- LinkedIn: https://www.linkedin.com/company/blue-current-inc
- Twitter/X: https://twitter.com/Solid_Battery

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Profile page: https://yespress.io/blue-current-inc
Published by YesPress — https://yespress.io
Last updated: 2026-07-22