VSUN Energy mentioned in the news, we’re not currently developing a vanadium flow battery, but we are working with a variety of manufacturers to increase the adoption of this Australian-invented technology into the Australian energy storage market:

http://reneweconomy.com.au/charging-ahead-how-australia-is-innovating-battery-technology-23628/

https://theconversation.com/charging-ahead-how-australia-is-innovating-in-battery-technology-90169