Group14 Technologies
Silicon-carbon anode material for lithium-ion batteries
Ranked #2 in Best Battery Startups, and on 1 more ranking.
Group14 Technologies, founded in 2015 and based in Woodinville, Washington, makes SCC55, a silicon-carbon anode material that lets lithium-ion cells hold more energy and charge faster. In August 2025 it closed a $463 million Series D and took full ownership of its battery materials factory in South Korea.
At a glance
| Price from | Custom |
| Best for | Cell makers and device brands seeking faster charging and higher energy |
From Group14 Technologies's own website.
What stands out
- Drop-in material for existing cell factories
- Large customer base
Worth knowing
- Supplies materials, not finished batteries
- Competes with other silicon anode makers
How it ranks
Group14 Technologies is ranked 2nd of 10 in Best Battery Startups (Lister Score 95.7) and 7th of 10 in Best Climate Tech Startups (Lister Score 89.2).
#2 in Best Battery Startups · Lister Score 95.7
Group14 says more than 150 customers worldwide use its silicon battery technology..
| Rank | Best Battery Startups | Score |
|---|---|---|
| 1 | Form Energy | 97.0 |
| 2 | Group14 Technologies | 95.7 |
| 3 | Lyten | 94.4 |
| 4 | Verkor | 93.1 |
| 5 | Peak Energy | 91.8 |
| 6 | Nyobolt | 90.5 |
| 7 | EnerVenue | 89.2 |
| 8 | Base Power | 87.9 |
| 9 | Alsym Energy | 86.6 |
| 10 | Echion Technologies | 85.3 |
#7 in Best Climate Tech Startups · Lister Score 89.2
Group14 Technologies, founded in 2015 and based in Woodinville, Washington, makes silicon-carbon anode material for lithium-ion batteries. It closed a $463 million Series D led by SK in August 2025 and took full ownership of its factory in Sangju, South Korea.
Group14's 10 GWh factory in Sangju, South Korea, began deliveries in September 2024..
| Rank | Best Climate Tech Startups | Score |
|---|---|---|
| 1 | Redwood Materials | 96.9 |
| 2 | Octopus Energy | 95.6 |
| 3 | Fervo Energy | 94.4 |
| 4 | Form Energy | 93.1 |
| 5 | Antora Energy | 91.8 |
| 6 | Watershed | 90.5 |
| 7 | Group14 Technologies | 89.2 |
| 8 | Twelve | 87.9 |
| 9 | Heirloom | 86.6 |
| 10 | Rondo Energy | 85.3 |
Frequently asked questions
How does Group14 Technologies rank on Lister?
Group14 Technologies is ranked 2nd of 10 in Best Battery Startups (Lister Score 95.7) and 7th of 10 in Best Climate Tech Startups (Lister Score 89.2).
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