Tohoku University Technology: High-Efficiency MgSn TE Material: T20-641
zT > 0.8 with MgSnThermoelectric Material
Thermoelectric (TE) materials, which have the ability to convert heat into electricity, play a significant role in the utilization and management of thermal energy. Mg2Sn is a potential thermoelectric (TE) material that exhibits environmental compatibility since it is not-toxic and .not contains rare materials. However, as existing Mg2Sn materials have low electric conductivity and high thermal conductivity, it results in low zT value. This invention is related to Mg2Sn material contains Sb and B as doping materials, and Mg vacancies with high Power Factor and low thermal conductivity, which contribute to improve zT value. zT > 0.8 are achieved by our materials mentioned above.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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