Tohoku Univ. Technology:Technology of electrolyte for lithium / sodium metal anode storage battery: T20-2755
More suppression of dendrite growth than conventional level!
As represented by smartphone, PC, etc., the number of devices equipped with lithium-ion battery is increasing day by day. This is supported by the battery high capacity, but the use of metallic lithium is required to have even higher capacity, so research & development are underway. Up to now, one of the factors that prevented the practical use of metallic lithium was the formation of dendrite by metallic lithium due to the diffusion control during charge/discharge, which led to a decrease in battery performance. This invention is about an electrolyte that solves the above issues. It has demonstrated that the smooth surface is maintained even after many charge/discharge cycles by controlling the rate-determining process. The same effect has been confirmed for sodium-ion battery, so the applicability of this invention is not limited to lithium-ion battery.
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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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