Commercialization of graphene-silicon lithium batteries

by:CTECHi     2021-07-28

Recently, SiNodeSystems, a US-based developer of silicon graphene materials for lithium-ion batteries, and Tokyo-based specialty chemicals manufacturer JNC, announced that they will jointly establish a joint venture NanoGraf, dedicated to promoting graphene-silicon lithium ion Commercialization of batteries and advanced materials, the joint venture has invested 4.5 million US dollars so far to promote the research and development of new technologies for power batteries.

It is understood that NanoGraf battery materials can be customized to achieve a capacity between 1000mAh/g and 2500mAh/g, providing higher battery-level energy density and Faster charge and discharge efficiency. Nanograf uses a wet chemical process that is highly scalable and has been proven on a trial production line in Japan. The anode material is added to the existing electrode mixing and coating equipment, and is proven in large battery manufacturing facilities around the world. NanoGraf will use the new funds to expand the production scale of its silicon-graphene composite anode materials and continue to develop more material platforms. Through the cooperation agreement, NanoGraf will obtain production facilities in Japan, expanded global distribution channels, more than 50 patents and two research institutions. NanoGraf's technology aims to improve the performance of battery materials using a proprietary graphene-coated silicon anode originally invented at Northwestern University. According to reports, the unique combination of a silicon-based alloy and a flexible 3D graphene network helps stabilize the active material during charging and discharging. NanoGraf material shows that it can increase battery energy and power density by up to 50%, and provide the best cycle life compared to similar products.

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