Fig. 2 | Nature Communications

Fig. 2

From: Rational design of spontaneous reactions for protecting porous lithium electrodes in lithium–sulfur batteries

Fig. 2

Coating Li by solubilized BiF3. a Charge density difference plots showing the adsorption of a Li adatom on the substrate of LiF (111) (left) and Li3Bi (111) (right) (top row); the diffusion pathways of Li adatoms on the corresponding surfaces (bottom row). The green, purple and brown balls represent lithium, fluorine and bismuth atoms, respectively. b Comparison of diffusion energy barriers on Li (001), LiF (111) and Li3Bi (111) facets. c The proposed reaction products of the complexation between BiF3 and P2S5, and 31P NMR solution spectra of the supernatants of BiF3 and P2S5 mixture at different molar ratios (BiF3:P2S5) as labeled. d Photography of the mixtures of BiF3-P2S5 with different molar ratios (BiF3:P2S5) in DME. e A cartoon showing the coating strategy to derive MFC-Li/CNF

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