Sion Power Corporation stands as a prominent developer of advanced lithium-metal battery technology, specializing in high-energy rechargeable solutions. Founded in 1989 as Moltech, a spin-off from Brookhaven National Laboratory, the company has established itself through research, development, and innovation in battery systems. Based in Tucson, Arizona, Sion Power’s main focus is the Licerion® technology platform, which delivers exceptional energy density and cycle life improvements compared to traditional lithium-ion batteries. The company’s extensive research and development efforts have resulted in over 430 international patents and patent applications, positioning it as a significant contributor to the electric vehicle and energy storage sectors.
Battery Technology
The company’s flagship Licerion® technology represents a significant advancement in lithium-metal battery systems. This proprietary technology achieves energy densities of up to 1,300 Wh/L, marking a substantial improvement over conventional lithium-ion cells. The system incorporates a specialized lithium metal anode and optimized electrolyte composition, enabling fast charging capabilities without external heating requirements.
Sion Power’s technology addresses critical safety concerns through innovative dendrite-resistant systems and compression techniques that enhance longevity and charging rates. The Licerion® cells demonstrate impressive power output ratings of 4,000 W/kg, making them particularly suitable for automotive applications. The technology operates effectively across temperatures from -30°C to 45°C and exceeds industry standards with more than 800 cycles of sustained performance. Additionally, the system’s compatibility with various cathode materials allows for customization according to specific application requirements.
Recent Projects
In 2024, Sion Power secured a $75 million Series A funding round, led by LG Energy Solution, to advance the commercialization of its Licerion® technology. The company appointed Pamela Fletcher, a former GM executive, as CEO in August 2024, strengthening its leadership team. Sion Power is currently expanding its manufacturing operations in Tucson, Arizona, with completion expected by 2026. This expansion will create over 150 new jobs and generate an economic impact of $341 million over five years. The company plans to launch its cell construction pilot line by 2025 for OEM validation.
Investors
Sion Power’s investor base includes several notable organizations. LG Energy Solution leads the investment group through its ventures arms, LG Technology Ventures and Bricks Capital Management. Euclidean Capital, owned by mathematician Jim Simons, maintains its position as an existing investor. Hillspire LLC, owned by former Google CEO Eric Schmidt, joined as a new investor in the recent funding round. Additionally, Cummins Inc. holds a minority stake in the company, supporting the development of lithium-metal technology for commercial vehicles.
Business Details
Location: Tucson, Arizona, USA
Website: https://sionpower.com
LinkedIn: https://www.linkedin.com/company/123252
