Fig. 8.

a Energy barrier for Na diffusion through g-C₃N₄, b corresponding Na diffusion path. c Energy barriers for Na diffusion through P-g-C₃N₄, d corresponding Na diffusion path. Reproduced with permission from Ref. [32]. e Adsorption energies of LiPSs on transition metal embedded C₂N monolayers. f Adsorption energies of long-chain LiPSs with transition metal embedded C₂N, 1,2-dimethoxyethane (DME) and 1,3-dioxolane (DOL). Reproduced with permission from Ref. [28]. Copyright permissions from Springer Nature and Elsevier. (Color figure online)