Maxell and JAXA Collaborate on Advanced All-Solid-State Battery Research
Maxell has partnered with JAXA under the JAXA-STEPS program to develop high-heat-resistant all-solid-state batteries for satellite use. This initiative aims to reduce spacecraft weight and enhance design flexibility by minimizing temperature control systems.

Maxell, Ltd. has been selected for the JAXA Space Technologies Rapid Evaluation Program on Small Satellite (JAXA-STEPS) to conduct joint research on high-heat-resistant all-solid-state batteries. This collaboration seeks to address challenges related to satellite weight and temperature tolerance limitations of conventional lithium-ion batteries, which struggle at temperatures exceeding 60°C.
The research will focus on achieving energy density similar to lithium-ion batteries while ensuring stable performance across a wide temperature range. Successful implementation of these batteries may significantly reduce satellite weight and improve design flexibility, lessening the need for extensive temperature control equipment. This advancement could open new applications for all-solid-state batteries in the aerospace sector.




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