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Page 16 of 30 Mazzapioda et al. Energy Mater 2023;3:300019 https://dx.doi.org/10.20517/energymater.2023.03

Figure 6. (A) Radar chart of the LIBs based on different electrolytes. conventional organic electrolytes, all-solid-state electrolytes, and
quasi-solid-state electrolytes This figure is quoted with permission from Lv et al. [133] . (B) Ion transport across the phase boundary
between a LE and an ISE showcasing the transport of ions across the phase boundary and the SLEI are dominant factors for the overall
impedance (upper) and working principle of the 4P set-up for electrochemical impedance spectroscopy (EIS) measurements on the
LE|SSE|LE cell (bottom). This figure is quoted with permission from Busche et al. [135] . (C) SEM images of (a) as-synthesized LLZT and
(b) LLZT after being soaked in LE. Capacity and efficiency values of Li|LLZTO|LiFePO cell, employing hybrid electrolyte with n-BuLi at
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different current densities and room temperature. EIS results of the Li|LiFePO cell without (bottom, on the left) and (bottom, on the
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right) with n-BuLi before and after the cycling tests. Reprinted (adapted) with permission from Xu et al. [137] . Copyright (2017) American
Chemical Society. (D) Illustration of lithium ion and electron fluxes inside the conventional cathode. (Top), comparison of
electrochemical impedance spectra of the symmetric cell with a structure of Li|GC-LATP|Li and Li|LE|GC-LATP|LE|Li. The volume of LE
is 2 µL. Charge and discharge curves and rate performance of Li|LiFePO employing GC LATP/LE hybrid electrolytes. This figure is
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quoted with permission from Wang et al. [139] .