https://techcrunch.com/2020/01/28/with-tony-fadells-help-advano-is-building-battery-components-to-power-an-electric-future/

Using scrap silicon as its feedstock, a New Orleans-based company called Advano has raised $18.5 million to manufacture battery components to enable more powerful, smaller, and longer lasting batteries.

The technology was innovative enough to earn the Lousiana-based startup a place in Y Combinator’s famed accelerator and has now attracted the attention of Mitsui Kinzoku, which is investing in the company as a strategic partner, and Tony Fadell, the famous product designer known as ‘the father of the iPod’ and the founder of the smart thermostat company, Nest .