Factorial Inc., a pioneering U.S.-based company in solid-state battery technology, has introduced a breakthrough with its 40Ah Solstice™ all-solid-state battery cells. Built on the company’s proprietary FEST® (Factorial Electrolyte System Technology) and Solstice™ platforms, these batteries leverage innovative solid electrolytes and advanced materials to deliver superior performance, safety, and scalability. A key highlight is the novel dry cathode coating process used in manufacturing, which eliminates hazardous solvents, reduces energy consumption, and lowers production costs. The development of these cells marks a significant step toward commercialization, with Factorial forging partnerships with leading automakers like Mercedes-Benz, Stellantis, Hyundai, and Kia to ensure seamless integration into existing manufacturing pipelines.
The Solstice™ battery cells exemplify Factorial’s commitment to sustainable innovation. By achieving a 40Ah capacity with an all-solid-state design, these cells offer up to 80% higher energy density compared to conventional lithium-ion batteries. The elimination of energy-intensive processes like solvent evaporation and formation further underscores their environmental and economic benefits. Additionally, lifecycle testing of smaller prototypes has demonstrated impressive durability, with over 2,000 charge cycles. These advancements position Solstice™ batteries as a game-changer for electric mobility applications, ranging from passenger vehicles to energy storage and consumer electronics.
Factorial’s leadership in battery innovation is underscored by its state-of-the-art development center in Massachusetts, where the 40Ah cells were created using custom equipment. According to Factorial’s CEO Dr. Siyu Huang, the scalability and technical maturity of these cells set a new benchmark for commercial viability in the automotive sector. CTO Alex Yu emphasized the transformative potential of the dry electrode coating process, which enhances performance while reducing costs and lead times. As electric vehicle manufacturers demand safer, longer-lasting, and cost-efficient energy solutions, Factorial’s Solstice™ batteries are poised to meet these needs, heralding a new era in solid-state battery technology.
