Graphite, silicon markets cautious on Tesla’s move into silicon metal

By Jon Stibbs, Sybil Pan
Published: Wednesday, 23 September 2020

The global market for graphite and the European silicon market have reacted with caution to news that US electric vehicle maker Tesla plans to pursue the use of silicon rather than graphite in its battery anode material.

Tesla plans to use silicon metal, rather than graphite or costlier engineered silicon materials, to make battery anodes, and announced on Tuesday September 22 that it had overcome the problem of silicon expanding.

"Silicon stores as much as nine times more energy than graphite," chief executive officer Elon Musk said...

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