Tohoku University Technology: Polyelectrolyte that easily expands and contracts with small force: T19-753
Contribute to the realization of safer battery with less risk of ignition and rupture
Since lithium-ion battery using liquid electrolyte has risk of ignition and rupture, practical application of safe solid electrolyte is expected. Among solid electrolytes, those using polymers have an excellent ability of forming and processing. This allows to use different shape of polyelectrolyte, but high stress is applied to the electrolyte. This invention is about a polyelectrolyte with excellent elasticity and flexibility. Since this polyelectrolyte can be highly elongated with little force, the applied stress can be easily dispersed, and shows high durability.
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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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