Solid State Cathode

Since 2017, Solid Energies Inc. (SEI), through its Solid Master Battery division and strategic partners, has pioneered high-performance battery materials in the United States. Engineered specifically for demanding applications in electric vehicles, aerospace, and defense, our materials deliver exceptional reliability, higher energy density, faster charge-discharge rates, and improved thermal and structural stability compared to other state-of-the-art lithium-ion solutions.

Solid Energies Inc. (SEI) is an industry-leading manufacturer and supplier of high-performance cathode materials, offering advanced powders and engineered sheets to the industry. Our portfolio is designed for demanding applications, delivering high voltage, exceptional capacity, and superior chemical, electrochemical, and structural stability.

See the flyer for more information and specifications on our cathode materials.

Flyer

Powders

For years, Solid Energies Inc. (SEI) has produced and supplied high-performance cathode powders to the industry. SEI also specializes in custom synthesis of cathode materials, engineered for safety, high capacity, long cycle life, fast charging, and reliable low-temperature performance.

Sheets

In addition, SEI provides cathode materials in sheet form cast on aluminum foil. Ready to utilize in roll to roll battery assembly.