Conductivity test and analysis methods for research of lithium batteries

doi:10.12028/j.issn.2095-4239.2018.0162

Abstract

Abstract: Lithium ionic conductivity, electronic conductivity of active electrode materials and lithium ionic conductivity of electrolyte materials are closely related to the dynamic behavior of lithium batteries. Therefore, conductivity test and analysis contribute the understanding of electrochemical properties of materials, including direct current method (DC), alternating current impedance (AC impedance), and direct current polarization method (DC polarization). Based on the different conductivity characteristics of electrolyte materials and active electrode materials, this paper introduced the methods, principles, equipments, test procedures and precautions of conductivity test. Besides, the analysis of data was illustrated with specific cases of lithium batteries.

Key words: conductivity, direct current method, alternating current impedance, direct current polarization method, lithium batteries

CLC Number:

TM911

XU Jieru, LING Shigang, WANG Shaofei, PAN Du, NIE Kaihui, ZHANG Hua, QIU Jiliang, LU Jiaze, LI Hong. Conductivity test and analysis methods for research of lithium batteries[J]. Energy Storage Science and Technology, 2018, 7(5): 926-957.

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