ProLogium and OPmobility have signed a Memorandum of Understanding to jointly develop solid-state battery modules for EV applications, pairing ProLogium’s lithium ceramic cells with OPmobility’s battery module and pack engineering capabilities.
ProLogium will provide cells for electrical performance testing under agreed protocols, while OPmobility will develop modules around those cells, with the goal of producing a system-level solution OEMs can evaluate for future EV platforms.
ProLogium’s stated cell specs for its Superfluidized All Inorganic Solid-state Lithium Ceramic Battery are 900 Wh/L energy density and 380 Wh/kg specific energy. Cycle life exceeds 1,200 cycles, and the cells retain more than 95% discharge performance at -20 °C.
These are cell-level figures; the module-level equivalents are what the collaboration intends to establish. Cell-level metrics don’t translate directly to pack-level performance once thermal management, structural design, electrical interconnects and BMS requirements are factored in. OPmobility’s C Power business group has industrial module and pack development experience across multiple OEM programs.
ProLogium says it has shipped more than 800,000 cells from its GWh-class gigafactory in Taoyuan, Taiwan, opened in 2024. Its first overseas production facility in Dunkirk, France is expected to begin construction in 2026. Ramp-up is planned for Q4 2028-Q1 2029 and mass production for Q2 2029.
“For solid-state batteries to be truly adopted by the market, the key is system integration and validation—from cells to modules and packs,” said Vincent Yang, founder and CEO of ProLogium. “Our shared goal is an OEM-adoptable module solution.”
Source: ProLogium
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