Nano-composite silicon could mean 10-minute EV charge times

Nano-composite silicon could mean 10-minute EV charge times

Sila says the high-performance anode material also promises a 20% EV range boost.

Sila has announced the availability of its high-performance nano-composite silicon (NCS) anode, Titan Silicon, which the company says is a safe and clean full graphite anode replacement engineered for mass scale to boost EV performance and address key consumer pain points.

The company claims Titan Silicon can deliver a 20% increase in EV range, with a development runway to double those gains in future releases. Titan Silicon can also improve battery charging times by charging a battery from 10% to 80% in 20 minutes even in cases when charge time is currently as long as 60 minutes, and future releases will reduce that time to approximately 10 minutes, the company says.

Sila adds that Titan Silicon achieves these gains “without sacrificing cycle life or safety while maintaining low swell, comparable to graphite anodes,” adding that with Titan Silicon, automakers can benefit from up to a 15% reduction in battery weight and 20% increase in space.

Sila says it has optimized its high-performance nano-composite silicon for mass production, which is scheduled to come online in the second half of 2024 in Sila’s facility in Moses Lake, Washington. Sila plans to manufacture enough material to power one million EVs in the next five years.

The company listed additional key features of Titan Silicon, which include:

  • Drop-in solution: The company says Titan Silicon anode is 100% compatible with any cell form factor (e.g., cylindrical, pouch, and prismatic) and any gigafactory.
  • Full or partial replacement: The company says Sila offers the choice of full or partial graphite replacement based on an automaker’s or cell manufacturer’s performance goals and product roadmaps.
  • Mass produced: The company says Titan Silicon solutions are manufactured in the U.S. to automotive quality standards. Sila is also ISO 9001:2015 certified.
  • Syncs with existing supply chain: The company says Titan Silicon can work with any co-product, which eliminates the need to change partners or operations.
  • Lower CO2 footprint vs. graphite: The company says Titan Silicon generates 50-75% less CO2 per kWh than graphite during production.

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