Figure 4.

a) Voltage profile of discharge process of Li—S cell. b) Arrhenius plots of the line relationship of charge transfer resistance and temperatures from 1.8–2.1 V. c) Activation energy profiles at different voltages. Reproduced with permission.^{[ 40 ]} Copyright 2021, Wiley VCH. d) Alteration of reaction pathway for binding configuration. e) Binding energies and adsorption configurations of CoP, CoS₂, Co₃O₄, and Co₄N to Li₂S₆. f) DOS analysis of d and p band for of CoP, CoS₂, and Co₃O₄, respectively. Reproduced with permission.^{[ 12 ]} Copyright 2018, Elsevier.