Understanding oxygen reactions in aprotic Li-O2batteries
Ma Shunchao1, 2, †, , Zhang Yelong1, 2, †, , Cui Qinghua1, 2, Zhao Jing1, 2, Peng Zhangquan1, ‡,
       

(a) Output potential during Li-O2galvanostatic discharge in the bulk electrolysis cell at the current densities given in the legend. (b) Experimental Tafel plots for Li-O2discharge (ORR, blue triangles) and for charging following discharge (OER, red squares).[32]