Figure 7. Reduction of oxygen (1), iron(III)sulfate (2) und p-benzoquinone (3)

From

Organic Redox-Flow Batteries Using Hair Dyes and Pharmaceuticals

Dominique Rosenberg, Svenja Pansegrau, Mirco Wachholz, Anja Köppen, Maike Busker, Walter Jansen

World Journal of Chemical Education. 2018, 6(1), 63-71 doi:10.12691/wjce-6-1-10