I found another article on vanadium worth reading imoBattery...

I found another article on vanadium worth reading imo

Battery storage is the fastest-growing industry sector on the planet (which could save the planet)

“The generally-held belief that there was no way to store electricity has been disproved. The battery boom means it is now just a question of finding the easiest and most economic way of doing it”
"One of the latest advances is to use another rare metal, vanadium. Vanadium flow batteries are large static batteries that last for decades and can be charged and discharged completely thousands of times." 

Enjoy the information: 
https://www.vanadiumcorp.com/news/industry/battery-storage-is-the-fastest-growing-industry-sector-on-the-planet-which-could-save-the-planet/