fig6

Figure 6. Characteristics and electrochemical performance of LHCEs. (A) Rate performance of Li-S batteries using HCE and LHCE, and the self-diffusion coefficients of each component in the LHCE. Reproduced with permission^[119] (copyright 2013, IOP Publishing). (B) Charge/discharge curve of graphite||Li cells under different solvent/diluent ratios (1 M LiTFSI-xG3-yHFE). Reproduced with permission^[120] (copyright 2015, American Chemical Society). (C) Wettability of dilute electrolyte, HCE and LHCE towards polyethylene separators. (D) N 1s spectra of SEI in three electrolytes at different sputtering depths. Reproduced with permission^[94] (copyright 2018, Elsevier). LHCE: Localized highly concentrated electrolyte; HCE: highly concentrated electrolyte; HFE: hydrofluoroether.