Sila, a US-based battery materials company, has raised $300 million to accelerate the expansion of its silicon anode factory in Moses Lake, Washington, aiming to bolster domestic battery supply chains against heavy Chinese market dominance.
- Sila’s silicon anode tech offers ~20% higher energy density than graphite.
- Funding round includes In-Q-Tel, signaling strategic national security interest.
- Expansion aims to challenge China’s dominant role in battery materials.
What happened
Sila, formerly Sila Nanotechnologies, announced a $300 million private equity funding round led by Atreides Management and Sutter Hill Ventures. Other investors include 8VC, Bessemer Venture Partners, Matrix Partners, T Rowe Price, and In-Q-Tel, the intelligence community’s venture capital arm. This increase brings Sila’s total funding well above $1 billion.
The capital injection will fund Phase 2 expansion of Sila’s silicon anode facility in Moses Lake, Washington. The plant initially opened in late 2025 with a 2 gigawatt-hour capacity. Sila’s goal is to scale production up to 250 gigawatt-hours within five years, positioning this as one of the largest battery material manufacturing sites worldwide.
Why it matters
Sila’s silicon anode technology replaces traditional graphite anodes in lithium-ion batteries, delivering about 20% more energy storage by weight. This advancement has already been commercialized in consumer products such as the WHOOP fitness band and is set to debut in automotive applications through the Mercedes-Benz EQG electric vehicle.
The new funding and production scale-up come amid growing concerns over the US and global dependency on China, which currently controls more than 90% of global anode processing and over 80% of battery cell production. Developing a robust domestic supply chain for critical battery materials is increasingly viewed as essential for economic competitiveness and national security.
What to watch next
Key metrics to monitor include Sila’s ability to meet its ambitious production scale targets and transition from small-scale commercial products to high-volume automotive battery supply. Achieving rapid gigawatt-hour scale production would establish Sila as a viable US alternative in a market currently dominated by Chinese suppliers.
The involvement of In-Q-Tel highlights the strategic interest of US defense and intelligence agencies in domestic battery material supply. Sila’s progress will be significant in the broader race to deploy next-generation battery chemistries, including solid-state and advanced anode technologies, fueling electrification of transportation and portable electronics.