Fig. 1: Regulation principles of high electrode potential.
From: Manipulating anion intercalation enables a high-voltage aqueous dual ion battery
a Schematic of energy barriers between solvated ions, isolated ions, and intercalant state, corresponding to the desolvation process and intercalation process of anions insertion into graphite; b illustration exhibiting the electrode potential (ε) is calculated by Gibbs free energy (∆G) and should located within the electrochemical stability windows of electrolytes; n (mol) is the electron transfer number and F is the Faraday constant, ε+limit is the cathode limit potential of electrolyte.
