Figure 6

Reaction mechanism of 3D porous ZnO–CuO HNCs electrodes.
(the image of the flask are painting according to the model in our experiment by Lin Xu, one of the auther of this article).
Reaction mechanism of 3D porous ZnO–CuO HNCs electrodes.
(the image of the flask are painting according to the model in our experiment by Lin Xu, one of the auther of this article).