Conductivity of LiClO4/PC-DME Solution Impregnated in LiCoO2 Powder

Yoshimasa SUZUKI; Hideshi MAKI; Masaki MATSUI; Minoru MIZUHATA

doi:10.5796/electrochemistry.19-00044

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Conductivity of LiClO₄/PC-DME Solution Impregnated in LiCoO₂ Powder

Yoshimasa SUZUKI, Hideshi MAKI, Masaki MATSUI, Minoru MIZUHATA

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Keywords: Lithium Ion Battery, Ion Transport in Porous Electrode Materials, Binary Solvent

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Supplementary material

2019 Volume 87 Issue 5 Pages 294-296

DOI https://doi.org/10.5796/electrochemistry.19-00044

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Abstract

Electrical conductivity of LiClO₄ solution in binary solvent of propylene carbonate (PC) and 1,2-dimethoxyethane (DME) coexisting with LiCoO₂ powder was measured. Maximum value of conductivity in LiClO₄/PC-DME solution observed at ca. 1:1 of volume fraction shifted toward lower content of DME. In higher LiClO₄ concentration reached to 3 mol L⁻¹, the conductivity of LiClO₄-PC₁₋_xDME_x increased with DME content even if LiCoO₂ was added. The results of FT-IR measurement support the results of conductivity measurement for PC solvation of the slurry sample of LiCoO₂/LiClO₄/PC-DME system.

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