Austrian researchers have replaced heavy metals and rare earths with conventional vanillin in a redox flow battery. The Graz University of Technology team now wants to bring this technology to market.
![](https://ecolyte.at/wp-content/uploads/2022/03/RedoxFlowBatterie-bynghammer-tugraz-e1601564288494-1200x800-1-1024x683.jpg)
Link to Article: https://www.pv-magazine.com/2020/10/05/more-sustainable-redox-flow-batteries-with-vanillin/