Tohoku Univ. Technology : Cathode material for rechargeable magnesium batteries : T22-266
Activating disordered rocksalt oxides for cathode materials
Rechargeable magnesium batteries (RMBs) have been developed as post lithium-ion batteries. Previously, only the Chevrel compounds were known to be available as a cathode material for RMBs. However, practical RMBs require cathode materials, which could deliver high capacity with higher electrochemical potential. The present invention provides cathode materials with a disordered rocksalt structure for RMBs. The novel chemical composition of the present material successfully enables reversible and substantial Mg intercalation, which has been previously believed to be difficult, especially in the rocksalt structure. The materials of this patent will expectedly yield cathode materials with higher capacity and electrode potential.
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The revenue generated from technology transfer is reinvested into universities and researchers as new research funding, which is used to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will actively promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by concluding basic technology transfer agreements with the following universities (as of April 1, 2026): - 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 - Showa Medical University - Asahikawa Medical University
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