Amorphous silicon can be fabricated by liquid quenching method! Application to anode materials, etc.
Silicon (Si) has been attracting attention as an anode material for lithium-ion batteries and as an electrode material for next-generation batteries because its weight capacity density is more than 10 times that of graphite. However, there are problems such as the volume expansion of about four times during charging, which causes the electrode to break down and prevents excellent cycle performance, and this is an obstacle to its practical use as an anode material. In all-solid-state batteries, thin-film amorphous silicon is used as an anode material, and although excellent cycle characteristics have been reported, it is fabricated by vacuum evaporation or vapor-phase growth methods, which poses a problem for mass production. The present invention solves the above problem and relates to a method for mass production of amorphous silicon having a porous structure.
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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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