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Improving electrocatalytic activity of fluorinated multi-walled carbon nanotubes modified with tetraaminophthalocyanines for lithium/thionyl chloride battery

Authors
  • Zhang, Ying1
  • Wang, Tingli1
  • Zhang, Ronglan1
  • Yang, Weixing1
  • Luo, Kai1
  • Zhang, Weiping1
  • Zhao, Jianshe1
  • 1 Northwest University, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, National Demonstration Center for Experimental Chemistry Education, College of Chemistry and Materials Science, National Demonstration Center for Experimental Chemistry Education (Northwest University), Xi’an, Shaanxi, 710069, People’s Republic of China , Xi’an (China)
Type
Published Article
Journal
Ionics
Publisher
Springer Berlin Heidelberg
Publication Date
Mar 01, 2019
Volume
25
Issue
4
Pages
1459–1469
Identifiers
DOI: 10.1007/s11581-019-02911-y
Source
Springer Nature
Keywords
License
Yellow

Abstract

A series of metal 1, 8, 15, 22-tetraaminophthalocyanines [1, 8, 15, 22-TAPcM, M = Mn(II), Fe(II), Ni(II), Cu(II), Zn(II)] are synthesized and used to chemically modify fluorinated multi-walled carbon nanotubes (F-MWCNTs) with the formation of certain chemical bonds on the surface of carbon nanotubes, and the corresponding composites 1, 8, 15, 22-TAPcM/MWCNTs are obtained. The electrocatalytic activities of the samples are studied by adding them into lithium/thionyl chloride (Li/SOCl2) batteries. The results indicate that the composites 1, 8, 15, 22-TAPcM/MWCNTs can improve the discharge voltage and lengthen the discharge time of the batteries much more than 1, 8, 15, 22-TAPcM, and the order of the electrocatalytic activities of 1, 8, 15, 22-TAPcM/MWCNTs and 1, 8, 15, 22-TAPcM with different metal ions in center is both Mn(II) > Ni(II) > Zn(II) > Fe(II) > Cu(II). It is also found that the discharge time and maximal discharge voltage and capacity for the battery contains 1, 8, 15, 22-TAPcMn/MWCNTs can be improved by 68.19%, 9.41%, and 82.6%, respectively.

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