Battery materials startup Sila raised $300 million to expand its factory in Washington state, led by Atreides Management and Sutter Hill Ventures with participation from 8VC, Bessemer Venture Partners, Matrix Partners and funds advised by T. Rowe Price Associates. The round, announced this week, brings Sila's total funding to roughly $1.6 billion across its history and lands deliberately against the grain of a broader EV sales slowdown that's cooled enthusiasm for adjacent supply-chain bets.
Sila's core product, called Titan Silicon, is a silicon-carbon material engineered to replace the graphite traditionally used in lithium-ion battery anodes, delivering 20% to 40% higher energy density in testing. The company already supplies the material to Mercedes and Panasonic under existing commercial agreements -- real revenue-generating deals, not just pilot programs, which is part of what let Sila raise a materials-manufacturing round at a moment when pure EV-demand bets have gotten harder to underwrite.
“That's a materially different risk profile than betting on EV demand itself.”
The new capital funds a straightforward scale-up: expanding the Washington factory's current 2-gigawatt-hour annual capacity to tens of gigawatt-hours, enough anode material to supply more than 100,000 electric vehicles a year once fully ramped. That's a manufacturing bet, not a research bet -- the material and customer relationships already exist, and this money buys physical capacity to fill demand Sila has already contracted.
The distinction investors are drawing here matters: EV unit sales growth has slowed, but the batteries in whatever EVs do sell still need better anode materials, and automakers locked into multi-year supply agreements with Sila aren't walking away from a performance upgrade because overall category growth cooled. That's a materially different risk profile than betting on EV demand itself.
What to watch: whether Sila lands additional automaker customers beyond Mercedes and Panasonic as its expanded capacity comes online, and whether the broader EV slowdown eventually pressures automakers to delay drawing down their contracted anode-material volumes.