A flexible composite solid electrolyte with a highly stable interphase for dendrite-free and durable all-solid-state lithium metal batteries

Abstract

Composite solid-state electrolytes (CSEs) that integrate the merits of different components are considered to be promising candidate for the next-generation high-energy density lithium metal batteries. Herein, we have successfully designed...

Ionic Conductivity of Na3V2P3O12 as a Function of Electrochemical Potential and its Impact on Battery Performance

“…More details of the C‐rate tests can be found in Figure S2 in the supporting information. Similar phenomenon can also be observed in batteries with LiFePO 4 as the positive electrode material, as shown in Figure 4b with data taken from a previous report [23] . Na‐ASSB cells prepared by chemical infiltration have similar internal resistance as cells with liquid electrolyte [9,12a] .…”

“… a) The charge/discharge curves of an infiltrated NVP|NZSP|Na ASSB cell operating at different C‐rates (here n C means the cell is fully charged/discharged in 1/ n hours, a shifted capacity ( , see text for more information) is chosen as x‐axis for a better comparison of polarization; b) the charge/discharge curves of a polymer‐based battery cell using LiFePO 4 as the positive electrode material, data obtained from Zhang et al. ; [23] c) the typical shape of charge/discharge curves of an NVP|NZSP|Na ASSB cell, with Na concentration as the x‐axis; d) contribution of ohmic resistance to the charge/discharge curve of an ASSB cell; e) The influence of increasing current on charge/discharge curve of a typical NVP|NZSP|Na ASSB cell.…”

“…Similar phenomenon can also be observed in batteries with LiFePO 4 as the positive electrode material, as shown in Figure 4b with data taken from a previous report. [23] Na-ASSB cells prepared by chemical infiltration have similar internal resistance as cells with liquid electrolyte. [9,12a] Thus, there must exist other factors that prevent the ASSB cells from fast charging/discharging.…”

In‐Situ Intermolecular Interaction in Composite Polymer Electrolyte for Ultralong Life Quasi‐Solid‐State Lithium Metal Batteries

“…Theo ligomers also serve as disrupting agent for PEO chains,leading to the generation of amorphous region for Li ion immigration. As ac onsequence,the assembled cells utilizing the optimized composite [46][47][48][49][53][54][55][56][57][58][59][60][61][62][63] e) Safety test for the asobtained solid electrolyte under cutting and burning conditions.…”

Gel-polymer electrolytes based on polyurethane ionomers for lithium power sources

“…[31][32][33][34][35][36][37][38][39] Retention of lithium ions solutions by a polymer matrix leads to the formation of polymer gel electrolytes (GPE), 40 which simplify the technology of manufacturing various electrochemical devices with effective electrode-electrolyte contacts. [24][25][26][27][28] At this moment, polymer matrices based on polyethylene oxide (PEO), [41][42][43][44][45] polycarbonate (PC), 46,47 polyacrylonitrile (PAN), 48 poly(methyl methacrylate) (PMMA) 49,50 and polyvinylidene uoride (PVDF) 51 are well studied. GPEs obtained from these polymer systems have a fairly high ionic conductivity, reaching about 10 À3 S cm À1 .…”