Tesla’s silicon battery anode tease stands out, but what is the commercial reality?

“By leveraging the silicon to its potential we can increase the range of our vehicles by 20%,” Tesla’s Senior Vice President, Drew Baglino of Powertrain and Energy Engineering explained at the long awaited Battery Day 2020.

It was one of the headline grabbers on an evening in California that witnessed nine major claims or innovations across the lithium ion battery supply chain, which if all came true, would drop cell costs by nearly 50%.

Yet while the potential of silicon anodes is and has been huge since research began in the early 1990s, the commercial advent of pure (100 . . .


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