# Top 10 Solid-State Battery Startups Worldwide by Funding (2026)

> The 10 best-funded solid-State battery startups worldwide, ranked by total funding raised: $301M combined.

Source: https://millionrounds.com/top-lists/solid-state-battery-startups (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Solid Power** Solid Power is a developer of all-solid-state battery cells that provide enhancements over traditional lithium-ion batteries.](https://millionrounds.com/company/solid-power) Solid Power is a developer of all-solid-state battery cells that provide enhancements over traditional lithium-ion batteries. *Founded* 2011 Louisville, United States **$130M** last round Jan 2026
- 2 [**Sakti3** Sakti3 develops solid-state rechargeable lithium ion battery technology.](https://millionrounds.com/company/sakti3) Sakti3 develops solid-state rechargeable lithium ion battery technology. *Founded* 2007 United States **$50M** last round Mar 2015
- 3 [**ION Storage Systems** ION Storage Systems, based in Beltsville, Maryland, specializes in the manufacturing of advanced solid-state batteries (SSBs) designed for high energy density a](https://millionrounds.com/company/ion-storage-systems) ION Storage Systems, based in Beltsville, Maryland, specializes in the manufacturing of advanced solid-state batteries (SSBs) designed for high energy density a *Founded* 2019 Beltsville, United States **$35M** last round Jun 2026
- 4 [**LiNa Energy** LiNa Energy is commercialising a safe, cobalt and lithium free solid-state sodium battery.](https://millionrounds.com/company/lina-energy) LiNa Energy is commercialising a safe, cobalt and lithium free solid-state sodium battery. *Founded* 2017 Lancaster, United Kingdom **$31M** last round Jul 2026
- 5 [**LionVolt** LionVolt is a Dutch battery scale-up company founded in 2020, emerging from TNO's research efforts.](https://millionrounds.com/company/lionvolt) LionVolt is a Dutch battery scale-up company founded in 2020, emerging from TNO's research efforts. *Founded* 2020 Eindhoven, Netherlands **$16M** last round Feb 2024
- 6 [**Soelect** Soelect provides engineering solutions and develops solid-state battery components for electric vehicles, power tools, and electronics.](https://millionrounds.com/company/soelect) Soelect provides engineering solutions and develops solid-state battery components for electric vehicles, power tools, and electronics. *Founded* 2018 Greensboro, United States **$11M** last round Feb 2022
- 7 [**Solithor** SOLiTHOR is a Belgian deep-tech company that specializes in developing, manufacturing, and commercializing intrinsically safe all-solid-state lithium battery te](https://millionrounds.com/company/solithor) SOLiTHOR is a Belgian deep-tech company that specializes in developing, manufacturing, and commercializing intrinsically safe all-solid-state lithium battery te *Founded* 2021 Landen, Belgium **$10M** last round May 2022
- 8 [**BTRY** BTRY is developing the industry's first energy-dense solid-state battery, using sophisticated semiconductor manufacturing technologies.](https://millionrounds.com/company/btry) BTRY is developing the industry's first energy-dense solid-state battery, using sophisticated semiconductor manufacturing technologies. *Founded* 2023 Dubendorf, Switzerland **$8.3M** last round Jun 2026
- 9 [**TaiSan** TaiSan is a UK-based battery materials startup founded in 2022 by Sanzhar Taizhan, an expert in Automotive Engineering.](https://millionrounds.com/company/taisan) TaiSan is a UK-based battery materials startup founded in 2022 by Sanzhar Taizhan, an expert in Automotive Engineering. *Founded* 2022 Cambridge, United Kingdom **$7.9M** last round Jul 2026
- 10 [**Piersica** A solid state lithium ion battery technology company](https://millionrounds.com/company/piersica) A solid state lithium ion battery technology company *Founded* 2019 Sunrise, United States **$1.0M** last round Sept 2024

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose own description names this theme, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

Open any company for its rounds and investors, or search the investors who back solid-State battery startups worldwide in the app, with filters, lists and exports.

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## More lists worldwide

[See all](https://millionrounds.com/top-lists?r=Global)

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