Sion Power Corporation

Sion Power Corporation, headquartered in Tucson since 1989, specializes in advanced lithium-metal batteries with its Licerion® platform. Offering high energy density and extended cycle life, their technology supports electric vehicles and energy storage solutions. Backed by leading investors, Sion Power drives innovation in high-performance battery systems.

Company Location

Country:

United States

City:

Tucson, Arizona

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Company Overview

Sion Power Corporation, founded in 1989 as Moltech, a spin-off from Brookhaven National Laboratory, is based in Tucson, Arizona. It develops advanced lithium-metal battery technology, specializing in high-energy rechargeable solutions through its Licerion® platform, holding over 430 international patents for electric vehicle and energy storage applications.

Battery Technology

The proprietary Licerion® lithium-metal technology achieves energy densities up to 1,300 Wh/L, using a specialized lithium metal anode and optimized electrolyte for fast charging without external heating. It features dendrite-resistant systems, compression techniques, power output of 4,000 W/kg, operating range –30 °C to 45 °C, over 800 performance cycles, and compatibility with various cathode materials.

Products

Licerion® cells offering up to 1,300 Wh/L energy density, 4,000 W/kg power output, fast charging, over 800 cycles, and –30 °C to 45 °C operating range, customizable with different cathodes for automotive and energy storage applications.

Recent Projects

In 2024, secured a $75 million Series A led by LG Energy Solution; appointed Pamela Fletcher as CEO; expanding manufacturing in Tucson, Arizona (completion by 2026) with 150+ new jobs and $341 million economic impact; launching a cell construction pilot line by 2025.

Investors

Series A was led by LG Energy Solution via LG Technology Ventures and Bricks Capital Management, with participation from existing investor Euclidean Capital and new investor Hillspire LLC. Cummins Inc. holds a minority stake.

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