https://www.globenewswire.com/news-release/2020/08/12/2077244/0/en/HPQ-Silicon-Well-Funded-to-Accelerate-Leading-Nano-Silicon-Initiatives-for-Batteries-and-Other-Renewable-Energy-Applications-for-2020-and-Beyond.html

https://stockhouse.com/companies/bullboard?symbol=v.hpq&postid=31400934

HOW METALLURGICAL-GRADE SILICON IMPROVES THE ALUMINUM ALLOY INDUSTRY