eJoule Inc.
PrivateLast Round
Series D
Dec 25, 2025
Company Overview
eJoule Inc. operates in Energy & Sustainability and is based in Fremont, California. It was founded in 2013.
eJoule Inc. is a materials science company that develops and produces cathode active materials (CAM) and solid-state electrolytes (SSE) for lithium-ion batteries using a proprietary Dynamic Crystallization Process (DCP).
Sector
Energy & Sustainability
Verticals
Advanced Materials, Energy Storage, Electric Vehicles, Clean Manufacturing
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
eJoule Inc. Comparables
Compare eJoule Inc. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| ACT-ion Battery Technologies | 82% | |
| 6K | 82% | |
| Sylvatex | 82% |
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eJoule Inc. Funding Rounds
Historical fundraising activity
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eJoule Inc. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| TransLink Capital | Series A |
| UMC Capital | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jan 1, 2026
Participating in the Silicon Dragon CES 2026 event.
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Recent news
Latest coverage and updates
- is_developingOct 27, 2026
eJoule Inc partners with Taiwan’s ITRI to develop mid- and high-nickel nickel-manganese-cobalt (NCM) batteries for drones, electric vehicles, autonomous robots and energy storage systems, combining cathode materials and cell engineering to improve cycle life and performance.
- is_developingOct 27, 2026
eJoule Inc and ITRI are developing mid- and high-nickel NCM batteries for drones, EVs, autonomous robots and energy storage systems by combining single-crystal cathode materials with cell-engineering expertise in Taiwan and the United States on Oct 27th '26.
- is_developingOct 26, 2026
eJoule Inc partners with ITRI to develop long-life NCM batteries for drones, autonomous robots, electric vehicles, and energy storage systems in Taiwan on Oct 26th '26.
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eJoule Inc. Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about eJoule Inc.'s valuation, stock price, and market status.
Is eJoule Inc. a public or private company?
eJoule Inc. is a private company.
What is the current stock price of eJoule Inc.?
eJoule Inc. is a private company, so its shares have no public market price. Caplight tracks eJoule Inc.'s secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is eJoule Inc. worth (valuation)?
Valuation information for eJoule Inc. is not publicly available.
Can I buy eJoule Inc. stock?
eJoule Inc. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was eJoule Inc.'s last funding round?
eJoule Inc.'s most recent funding round was Series D on December 25, 2025.
Who are the main investors in eJoule Inc.?
Key investors in eJoule Inc. include TransLink Capital, UMC Capital.
Will eJoule Inc. IPO soon?
No public IPO plans have been announced for eJoule Inc..
How can I track eJoule Inc. secondary market activity?
Caplight tracks bids, offers, and trades in eJoule Inc.'s shares on secondary markets.