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Yin C, Yang C, Jiang M, et al. A Novel and Facile One-Pot Solvothermal Synthesis of PEDOT-PSS/Ni-Mn-Co-O Hybrid as an Advanced Supercapacitor Electrode Material. ACS Appl Mater Interfaces. 2016;8(4):2741-52doi: 10.1021/acsami.5b11022.
Yin, C., Yang, C., Jiang, M., Deng, C., Yang, L., Li, J., & Qian, D. (2016). A Novel and Facile One-Pot Solvothermal Synthesis of PEDOT-PSS/Ni-Mn-Co-O Hybrid as an Advanced Supercapacitor Electrode Material. ACS applied materials & interfaces, 8(4), 2741-52. https://doi.org/10.1021/acsami.5b11022
Yin, Chengjie, et al. "A Novel and Facile One-Pot Solvothermal Synthesis of PEDOT-PSS/Ni-Mn-Co-O Hybrid as an Advanced Supercapacitor Electrode Material." ACS applied materials & interfaces vol. 8,4 (2016): 2741-52. doi: https://doi.org/10.1021/acsami.5b11022
Yin C, Yang C, Jiang M, Deng C, Yang L, Li J, Qian D. A Novel and Facile One-Pot Solvothermal Synthesis of PEDOT-PSS/Ni-Mn-Co-O Hybrid as an Advanced Supercapacitor Electrode Material. ACS Appl Mater Interfaces. 2016 Feb 03;8(4):2741-52. doi: 10.1021/acsami.5b11022. Epub 2016 Jan 21. PMID: 26794146.
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ACS Appl Mater Interfaces. 2016 Feb 03;8(4):2741-52. doi: 10.1021/acsami.5b11022. Epub 2016 Jan 21.

A Novel and Facile One-Pot Solvothermal Synthesis of PEDOT-PSS/Ni-Mn-Co-O Hybrid as an Advanced Supercapacitor Electrode Material.

ACS applied materials & interfaces

Chengjie Yin, Chunming Yang, Min Jiang, Cuifen Deng, Lishan Yang, Junhua Li, Dong Qian

Affiliations

  1. College of Chemistry and Chemical Engineering, Hunan Normal University , Changsha 410081, P.R. China.
  2. College of Chemistry and Chemical Engineering, Central South University , Changsha 410083, P.R. China.
  3. State Key Laboratory of Powder Metallurgy, Central South University , Changsha 410083, P.R. China.

PMID: 26794146 DOI: 10.1021/acsami.5b11022

Abstract

In this work, a novel and facile one-pot method has been developed for the synthesis of a hybrid consisting of Ni-Mn-Co ternary oxide and poly(3,4-ethylenedioxythiophene)-polystyrenesulfonate (PEDOT-PSS/NMCO) with a hierarchical three-dimensional net structure via a solvothermal-coprecipitation coupled with oxidative polymerization route. Apart from the achievement of polymerization, coprecipitation, and solvothermal in one pot, the hydroxyl (OH(-)) ions generated from the oxidative polymerization of organic monomer by neutral KMnO4 solution were skillfully employed as precipitants for metal ions. As compared with the PEDOT-PSS/Ni-Mn binary oxide, PEDOT-PSS/Co-Mn binary oxide, and PEDOT-PSS/MnO2, PEDOT-PSS1.5/NMCO exhibits overwhelmingly superior supercapacitive performance, more specifically, a high specific capacitance of 1234.5 F g(-1) at a current density of 1 A g(-1), a good capacitance retention of 83.7% at a high current density of 5 A g(-1) after 1000 cycles, an energy density of 51.9 W h kg(-1) at a power density of 275 W kg(-1), and an energy density of 21.4 W h kg(-1) at an extremely elevated power density of 5500 W kg(-1). Noticeably, the energy density and power density of PEDOT-PSS/NMCO are by far higher than those of the existing analogues recently reported. The exceptional performance of PEDOT-PSS/NMCO benefits from its unique mesoporous architecture, which could provide a larger reaction surface area, faster ion and electron transfer ability, and good structural stability. The desirable integrated performance enables the multicomponent composite to be a promising electrode material for energy storage applications.

Keywords: 3D net structure; Ni−Mn−Co ternary oxide; PEDOT−PSS; supercapacitor; synthesis

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