会议论文详细信息
International Conference on Advanced Manufacturing and Industry Applications
Composite Cathode of NCM Particles and Li3PS4-LiI Electrolytes Prepared using the SEED Method for All-Solid- State Lithium Batteries
机械制造;工业技术
Matsuda, R.^1 ; Hirabara, E.^1 ; Phuc, N.H.H.^1 ; Muto, H.^1 ; Matsuda, A.^1
Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku, Aichi, Toyohashi
441-8580, Japan^1
关键词: All-solid state;    All-solid-state lithium battery;    Cath-ode materials;    Cathode active material;    Composite cathode;    Energy dispersive x-ray;    Liquid Phase;    Liquid process;   
Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/429/1/012033/pdf
DOI  :  10.1088/1757-899X/429/1/012033
学科分类:工业工程学
来源: IOP
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【 摘 要 】

Li7P2S8I (LPSI) electrolytes were directly produced on a cathode active material LiNi1/3Mn1/3Co1/3O2 (NMC) using the new liquid process which is named 'SEED method'. The formation of electrolytes on NMC was confirmed using scanning electron microscopy and energy dispersive X-ray mapping. The ionic conductivities of the LPSI electrolyte prepared by the SEED method were evaluated and the LPSI electrolyte showed 2.5 × 10-4 Scm-1 at room temperature which is almost equal to that of the LPSI electrolyte prepared by the previous liquid-phase shaking process. All-solid- state cells composed of [90MNC⋅10LPSI composite | Li3PS4 | In-Li] were fabricated and the electrochemical properties of the cells were evaluated. The cell fabricated using this composite as cathode material exhibited enhanced performance in comparison with the cell using the cathode material prepared by hand mixing LPSI with NMC.

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