Journal of Inorganic Materials, Volume. 35, Issue 12, 1357(2020)
Figures & Tables(8)
1. Schematic illustration of ASLB structure prepared via (a) ex-situ and (b) in-situ methods with p-LLZTO as ceramic fillers
2. (a) XRD patterns of standard LLZO, the as-prepared LLZTO powders and p-LLZTO; (b) Cross sectional SEM image of p-LLZTO; (c) Pore size distribution of p-LLZTO; (d) EIS plots of dense LLZTO and p-LLZTO at room temperature with inset showing the partial magnified spectrum of the dense LLZTO
3. (a) FT-IR spectra of PEGMEA, P(PEGMEA), and P(PEGMEA) from the 3D composite; (b) 1H NMR spectra of PEGMEA and P(PEGMEA) from the 3D composite(the solvents are deuterated N ,N -dimethylformamide) with insets showing the corresponding structural formula of PEGMEA and P(PEGMEA); (c) Thermal evolution of ohmic resistance at 60 ℃ for steel|3D composite|steel symmetrical cell with inset showing the digital image of PEGMEA with/without p-LLZTO after heat-treatment at 60 ℃ for 24 h; (d) Relation between ionic conductivity of electrolyte and temperature for P(PEGMEA) and 3D composite; (e) Cross sectional SEM image and element mapping analysis of the 3D composite
4. EIS plots of (a-c) pre- and (d-f) post-treated Li-Li symmetrical batteries based on (a, d) PEGMEA, (b, e) LLZTO, (c, f) 3D composites; (g) Ohmic and (h) interfacial resistance comparison of pre- and post-treated Li-Li symmetrical cells; (i) DC galvanostatic cycle of Li-Li symmetrical batteries based on P(PEGMEA) and the 3D composite under room temperature at 0.1 mA·cm-2 with insets showing D.C. galvanostatic cycle of Li-Li symmetrical battery based on LLZTO(up) and the magnified profile of Li|3D composite|Li(down)
5. (a) Cycle performances of in-situ LiCoO2|3D composite|Li, in-situ LiCoO2|P(PEGMEA)|Li, ex-situ LiCoO2|3D composite|Li ASLBs; (b) Charge-discharge curves of in-situ LiCoO2|3D composite|Li, in-situ LiCoO2|P(PEGMEA)|Li, ex-situ LiCoO2|3D composite|Li ASLBs; Cross-sectional SEM images of the LiCoO2/3D composite interface from the disassembled (c) in-situ and (d) ex-situ LiCoO2|3D composite|Li ASLBs
S1. Linear sweep voltammetry measurement for 3D composite at room temperature
S2. Current variation with time during polarization of (a) Li|P(PEGMEA)|Li and (b) Li|3D composite|Li symmetrical cell at room temperature
Table 1. Conductivities $(\sigma_{Li^+})$ of different solid electrolytes at room temperature
View tableView in ArticleTable 1. Conductivities $(\sigma_{Li^+})$ of different solid electrolytes at room temperature
Electrolyte Lithium salt EOa : Li+ Conductivity of polymer/(S·cm-1) Conductivity of composite/(S·cm-1) Promotion factor Ref. PEO/LATP particles LiClO4 15 : 1 1.3×10-6 9.5×10-6 7.5 [ 25 ]PEO/LLZO fibers LiTFSIb - 2.5×10-6 2.7×10-5 11 [ 26 ]PEO/LATPc fibers LiTFSI 8 : 1 3.2×10-6 4.9×10-5 15 [ 27 ]PEO/3D LLZO LiTFSI 10 : 1 1.8×10-6 8.5×10-5 47 [ 19 ]PEO/3D LLTO d LiTFSI 10 : 1 2.2×10-6 8.8×10-5 40 [ 18 ]
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Yiyuan YAN, Jiangwei JU, Meiyan YU, Shougang CHEN, Guanglei CUI.
Paper Information
Category: RESEARCH PAPER
Received: Mar. 23, 2020
Accepted: --
Published Online: Mar. 10, 2021
The Author Email: Shougang CHEN (sgchen@ouc.edu.cn), Guanglei CUI (cuigl@qibebt.ac.cn)
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