期刊
SOLID STATE IONICS
卷 285, 期 -, 页码 112-117出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ssi.2015.09.010
关键词
All-solid-state batteries; Solid electrolytes; Cross-sectional observations; Lithium-ion batteries
The effect of the particle sizes of LiNi1/3Co1/3Mn1/3O2 and Li2S-P2S5 solid electrolytes (SEs) on the electrode morphology was investigated. Smaller-sized SE particles were advantageous in fabricating dense and homogeneous electrode layers with an effective lithium-ion conduction pathway and a large electrode-electrolyte interfacial contact area because of the unique mechanical properties of sulfide-based SEs. The homogeneous distribution of the SE is also effective in the suppression of cracking and fracturing of LiNi1/3Co1/3Mn1/3O2 because of the favorable mechanical properties of the sulfide-based SEs. The capacity of the all-solid-state cells under high rate operation was thus remarkably improved. (C) 2015 Elsevier B.V. All rights reserved.
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