1414 Degrees has achieved a major technical milestone in the development of our SiNTL™ silicon anode battery material, reaching 500 mAh/g specific capacity – the program’s first target – months ahead of schedule.
This result aligns with current best-in-class commercial silicon-enhanced anode materials, validating both the SiNTL composite architecture and low-temperature synthesis process. Importantly, we have now established a clear and repeatable development pathway toward 600 mAh/g, a level that would represent an improvement of around 20% over typical current commercial benchmarks.
Reaching this performance range is widely considered a key threshold where silicon-enhanced anodes can deliver meaningful improvements in lithium-ion battery energy density while remain gin compatible with existing manufacturing processes.
Alongside this progress, testing is underway to incorporate pristine graphitic carbon produced via our SiPHyR™ process into the SiNTL synthesis pathway. Over time, this work may support additional downstream value opportunities across our silicon platform, including battery anode production and other high-value carbon applications.
Chief Technology & Operations Officer Dr Peter Yaron said the milestone reinforces SiNTL’s commercial relevance:
“This result demonstrates that SiNTL is not just a research program — it is a commercial platform in development. As performance improves and scalability is validated, its strategic relevance to battery manufacturers and OEM supply chains becomes increasingly clear.”
The SiNTL program is underpinned by a development framework that directly links battery performance to material properties across multiple formulations. Combined with a scalable, low-temperature synthesis process compatible with existing anode manufacturing infrastructure, this approach supports a clear pathway toward production-scale manufacturing.