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Improved electrochemical redox performance of 2,5-dimercapto-1,3,4-thiadiazole by poly(3-methoxythiophene)

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Abstract

High electrocatalytic activity of an electropolymerized film of poly(3-methoxythiophene) (PMOT) is reported toward the redox reaction of 2,5-dimercapto-1,3,4-thiadiazole (DMcT) as a promising cathode material for the lithium ion battery. Cyclic voltammetry showed improved electrochemical performance of DMcT on PMOT-coated Pt electrode, indicating accelerated redox kinetics. Moreover, charge-discharge tests exhibited higher discharge capacity and slower capacity fading of the PMOT-doped DMcT composite cathode compared with pure DMcT.

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Acknowledgements

The authors wish to acknowledge financial support by the Scientific Research Foundation for Returned Overseas Chinese Scholars from the State Education Ministry, the China Postdoctoral Science Foundation (2004036514), and the State Key Scientific and Technological Project “Industrial Experimental Study of the Production of Lithium Carbonate Concentrate Extracted from Brine from Zabuye Salt Lake” (2001BA602B-02).

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Authors and Affiliations

  1. School of Chemistry & Environmental, South China Normal University, Guangzhou, 510006, P.R. China

    Dong Shu & Hongyu Chen

  2. Institute of Energy & Environment Materials, School of Physics Science & Engineering, Sun Yat-Sen University, Guangzhou, 510275, P.R. China

    Dong Shu, Jinghua Zhang & Yuezhong Meng

  3. Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing, 100037, P.R. China

    Jinghua Zhang, Yongsheng Zhang & Mianping Zheng

  4. Nanoarchitectonics Research Center (NARC), National Institute of Advanced Industrial Science and Technology (AIST), Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki, 305-8565, Japan

    Chun He

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  1. Dong Shu
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  2. Jinghua Zhang
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  3. Chun He
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  4. Yuezhong Meng
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  5. Hongyu Chen
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Correspondence to Yuezhong Meng.

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Shu, D., Zhang, J., He, C. et al. Improved electrochemical redox performance of 2,5-dimercapto-1,3,4-thiadiazole by poly(3-methoxythiophene). J Appl Electrochem 36, 1427–1431 (2006). https://doi.org/10.1007/s10800-006-9246-4

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  • DOI: https://doi.org/10.1007/s10800-006-9246-4

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