Factorial Inc., a US-based solid-state battery developer, and Cartesian Growth Corporation III announced that Factorial has signed a memorandum of understanding (MOU) for a strategic manufacturing collaboration with Philenergy, a South Korean battery equipment and production systems provider. The agreement is intended to support the scale-up of Factorial’s Solstice all-solid-state battery platform.
Under the collaboration, the companies will explore integrating Philenergy’s production infrastructure and supply chain capabilities with Factorial’s solid-state battery architecture. The focus is on evaluating scalable manufacturing approaches for next-generation battery systems.
Philenergy’s production capabilities include automated laser notching, precision stacking systems, advanced winding technologies, and modular assembly infrastructure. These processes are commonly used in lithium-ion battery manufacturing and may be adapted for solid-state cell production.
Factorial’s Solstice platform is an all-solid-state battery design intended to deliver higher energy density compared to conventional lithium-ion systems, along with reported operation at temperatures up to 90° C. Improvements in energy density and thermal stability are areas of active development across multiple sectors, including electric transportation, where battery performance and manufacturability remain key constraints.
The platform also incorporates a dry cathode architecture designed to reduce solvent use and shorten formation times. If validated at scale, such process changes could lower manufacturing energy consumption relative to conventional wet-coating lithium-ion production methods.
The collaboration is focused on assessing the manufacturability of solid-state cells at larger production volumes. Scaling remains one of the primary technical and economic challenges for solid-state battery commercialization across transportation, defense, and industrial applications.
The collaboration aims to assess the manufacturability of solid-state cells at volumes relevant to automotive applications. Scaling production remains one of the primary challenges for solid-state battery commercialization, particularly for electric vehicle platforms that require consistent quality, safety validation, and cost competitiveness.
Further details regarding production timelines or commercial deployment have not been disclosed.
Filed Under: Batteries, Technology News