June 02, 2026

Sumitomo Heavy Industries, Ltd. (President and CEO: Toshiro Watanabe), together with Cosmo Oil Co., Ltd., a subsidiary of Cosmo Energy Holdings Co., Ltd., National University Corporation Kyoto University, I'MSEP Co., LTD., and SEC CARBON, LIMITED, have commenced bench-scale testing for the production of CO₂-derived solid carbon using molten salt electrolysis technology.

Through this initiative, the parties will examine the feasibility of applying technologies that convert CO₂ into solid carbon from both process and materials perspectives.

For further details, please refer to the PDF below.