Fig. 2: Design principle for PVA/Cu(TFSI)2-GdmCl hydrogels with metal coordination and ion-preferential association. | Nature Communications

Fig. 2: Design principle for PVA/Cu(TFSI)2-GdmCl hydrogels with metal coordination and ion-preferential association.

From: Ion-engine hydrogel based solar desalination for water-electricity cogeneration with milliampere level current

Fig. 2

A MD snapshots of PVA/Cu(TFSI)2 (System I). B MD snapshots of PVA/Cu(TFSI)2-GdmCl (System Ⅱ). C RDFs and CNs of Cu2+-OPVA. D Binding energies of Cu2+-TFSI− and Gdm+-TFSI−, with an inset showing the corresponding structure and electrostatic potential distribution. E Diffusion coefficients calculated from MD simulations.

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