Group1.ai’s core technology is Kristonite™, a 4V Potassium Prussian White cathode material for Potassium-ion batteries. It enables fast charging, enhanced safety, and seamless integration with existing lithium-ion manufacturing infrastructure. The company developed the world’s first 18650-format Potassium-ion cells using commercial graphite anodes, separators, and electrolytes, achieving excellent cycle life and discharge performance.
18650-format Potassium-ion battery featuring a 4V Kristonite™ cathode, superior charging speeds, enhanced safety, compatibility with standard 18650 production lines, and optimized for heavy-duty vehicles and stationary storage.
2024: Introduced 18650 Potassium-ion battery and delivered sample batches to major OEMs and cell manufacturers.
2023: Secured exclusive license agreement with Sharp Corporation for Potassium-based cathode patents.
The company has raised $7.5M to date, including $250k in 2023 from Discovery to Impact at The University of Texas at Austin’s Seed Fund. Additional investors include Steel Atlas and Impatient Capital, with potential involvement from Hayman Capital.