Synthesis, Characterization and Electrochemistry Behavior of a Lower-symmetrical Alkylthioporphyrazine

Abstract

Abstract: A lower symmetrical alkylthioporphyrazine, 2,3,7,8,12,13-hexakis(methylthio)-17,18-mono(dithiin)porphyrazine, [H₂Pz(dtn)(mt)₆] , and their derivatives MPz(dtn)(mt)₆ [M=Cu, Zn, Co] were prepared and characterized by the methods of elemental analysis, mass spectra, ¹H NMR, IR and UV-Vis spectra. The electrochemical behavior of H₂Pz(dtn)(mt)₆ was studied in DMF solution with the method of CV. The results show that the electron transfer is quasi-one-electron chemical-electronic transfer process. The modification on the cathode materials MnO₂ in lithium ion battery was studied. The results shows that the initial charging and discharging capacity as well as the cyclic number are all increased.

Key words: Porphyrazine, Metallic complex, Electronic spectra, Electrochemical property, Lithium ion battery

CLC Number:

O614

TrendMD:

LIU Yong-Zhou, WANG Hai-Chuan, PENG Zheng-He, ZHAN Hui, ZHOU Yun-Hong. Synthesis, Characterization and Electrochemistry Behavior of a Lower-symmetrical Alkylthioporphyrazine[J]. Chem. J. Chinese Universities, 2004, 25(4): 598.

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Synthesis, Characterization and Electrochemistry Behavior of a Lower-symmetrical Alkylthioporphyrazine

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