SM Bexel LMR Battery Project Advances Cylindrical Cell Testing

SM Bexel Develops Cylindrical Battery Technology With U.S. Automaker

The SM Bexel LMR battery project involves collaboration with a U.S.-based global automaker to develop technologies for designing, manufacturing, and evaluating cylindrical secondary batteries using next-generation lithium manganese-rich (LMR) cathode materials. Multiple local media outlets reported the collaboration on September 9. The project focuses on applying LMR materials to actual cells while establishing processes that can assess how material characteristics influence battery performance. The work also gives SM Bexel an evaluation framework that can later be used to examine other cathode, anode, electrolyte, and additive materials under practical cell conditions.

Companies Divide Battery Development Responsibilities

Under the project, the U.S. automaker is responsible for designing cylindrical batteries that account for the characteristics of LMR materials. Its responsibilities also include optimizing formation process conditions and analyzing changes in battery performance associated with material changes. SM Bexel, meanwhile, is responsible for reviewing electrode design conditions, manufacturing electrodes, and assembling and producing cells on its pilot-scale production line. This division places battery design and process optimization alongside practical electrode and cell manufacturing work, allowing the partners to evaluate the material within an actual cylindrical-cell development process.

LMR Materials Will Be Evaluated in Actual Cells

The two companies plan to apply LMR materials to actual cells and evaluate their performance and applicability. This approach allows the project to move beyond material-level consideration toward assessment within completed battery cells, where electrode design, manufacturing conditions, and formation processes can influence results. The evaluation is being conducted through cooperation between SM Bexel and the U.S.-based automaker, with the objective of establishing technologies for cylindrical secondary batteries. The resulting evaluation capabilities are intended to help determine whether different material combinations can be practically applied under cell-level conditions.

Evaluation Technology Could Support Broader Material Testing

SM Bexel plans to use the evaluation technology established through the project to verify the applicability of various materials in actual cells. The planned scope extends beyond LMR cathodes to high-nickel and lithium iron phosphate (LFP) cathode materials, as well as lithium manganese iron phosphate (LMFP) materials. The company also intends to evaluate silicon-based anode materials, electrolytes, and additives. By establishing a common cell-level evaluation capability, South Korea-based SM Bexel can apply the project’s technology to a broader range of battery material combinations while retaining a focus on practical cell performance and applicability.

Practical Cell Manufacturing Is Central to the Project

The pilot-scale production line operated by SM Bexel provides the manufacturing stage required to assemble and produce cells after electrode design conditions are reviewed and electrodes are manufactured. This makes the project relevant not only to material selection but also to the practical steps required to translate material characteristics into cylindrical battery cells. The collaboration combines battery design, formation optimization, material-change analysis, electrode production, and cell assembly within the same development effort. The resulting process is designed to support systematic evaluation of different materials using actual cells rather than relying solely on material-level assessment.

Industry Impact & Outlook

The project could strengthen battery-development capabilities by connecting next-generation cathode materials with cylindrical-cell design, pilot-scale manufacturing, and performance evaluation. For South Korea, the work highlights the role of domestic battery technology capabilities in evaluating a broader range of material chemistries, while the automaker’s participation links those capabilities to global vehicle-industry requirements. The most immediate significance is the creation of a repeatable evaluation approach that can be applied across LMR, high-nickel, LFP, LMFP, silicon-based anode, electrolyte, and additive technologies. Further progress will depend on the performance and applicability results obtained from the actual cells produced under the project.

Frequently Asked Questions

What is SM Bexel developing with the U.S. automaker?
The companies are developing technologies for designing, manufacturing, and evaluating cylindrical secondary batteries using next-generation lithium manganese-rich cathode materials. SM Bexel is handling electrode design reviews, electrode manufacturing, and pilot-line cell production, while the automaker is responsible for cylindrical battery design, formation optimization, and performance analysis. The partners will apply LMR materials to actual cells to evaluate performance and applicability. SM Bexel also plans to use the resulting evaluation technology to assess high-nickel, LFP, LMFP, silicon-based anode materials, electrolytes, and additives.