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The synthesis and electrochemical performance of aniline based conducting polymers as cathode materials for lithium ion batteries

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3 Author(s)
Su-Ryeon Yun ; Department of Chemistry, University of Ulsan, Daehak-ro 93, Nam-gu, Ulsan, 680-749, Korea ; Yongku Kang ; Kwang-Sun Ryu

The PDTDA and P(2-ATP), which have polyaniline main chain and bonds structure, were easily polymerization by chemical oxidation method. Although doped polyaniline was not soluble, doped PDTDA and P(2-ATP) were soluble. The chemical structure of dedoped and doped PDTDA and P(2-ATP) was characterized by FT-IR and XPS analysis. We studied the electrochemical performance such as the charge-discharge ability, discharge capacity, and cyclic voltammogram of them. The discharge capacities of PDTDA and P(2-ATP) after 50th cycle were ~38 and ~37mAh/g. The discharge capacities of PDTDA and P(2-ATP) as a function different current after initial stabilized step were measured. Recovering rates after high C-rate at 0.1C are ~92 % (PDADT) and ~50 %(P(2-ATP).

Published in:

Strategic Technology (IFOST), 2012 7th International Forum on

Date of Conference:

18-21 Sept. 2012