Effect of doping on the performance of high-crystalline SrMnO3 perovskite nanofibers as a supercapacitor electrode

doi:10.1016/j.ceramint.2018.08.313

Title: Effect of doping on the performance of high-crystalline SrMnO ₃ perovskite nanofibers as a supercapacitor electrode

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Abstract

Perovskite oxides are promising multi-functional materials with enhanced physical and chemical properties. In this study, high-crystalline SrMnO ₃ perovskite oxide nanofibers have been successfully synthesized by sol–gel electrospinning followed by calcination at different temperatures, using polyvinylpyrrolidone as a sacrificial polymeric binder. The change in porosity and grain size with calcination temperature imparted a substantial effect on the electrochemical properties of the obtained SrMnO ₃ nanofibers. The SrMnO ₃ nanofiber electrode calcined at 700 °C exhibits an electrochemical capacitance of 321.7 F g ^–1 at a discharge current density of 0.5 A g ^–1. Here, the effect of doping Ba/Ca on Sr, and Co/Fe/Ni on Mn, respectively, on the specific capacitance of SrMnO ₃ nanofibers is studied. 20 mol% Ba loading shows the best performance as a supercapacitor electrode with a specific capacitance of 446.8 F g ^–1 at a discharge current density of 0.5 A g ^–1. The nanofibers retained 87% its initial capacitance after 5000 successive cycles. The device fabricated using the nanofibers show an energy density of 37.3 W h kg ^–1 at a power density of 400 W kg ^–1, and it is retained as 15.7 W h kg ^–1 even at a high-power density of 8006more »« less

Authors:

George, Gibin ^[1]; Jackson, Shanell L. ^[1]; Luo, Charles Q. ^[1]; Fang, Dong ^[2]; Luo, Duan ^[3]; Hu, Dongli ^[3]; Wen, Jianguo ^[3]; Luo, Zhiping ^[1]

Fayetteville State Univ., Fayetteville, NC (United States)
Kunming Univ. of Science and Technology, Kunming (People's Republic of China)
Argonne National Lab. (ANL), Argonne, IL (United States)

Publication Date:: 2018-08-28

Research Org.:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Org.:: National Science Foundation (NSF); U.S. Department of Defense (DOD); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)

OSTI Identifier:: 1572464

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: Ceramics International

Additional Journal Information:: Journal Volume: 44; Journal Issue: 17; Journal ID: ISSN 0272-8842

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; SrMnO3; doping; electrode; electrospun nanofiber; perovskite; supercapacitor

Citation Formats


                    George, Gibin, Jackson, Shanell L., Luo, Charles Q., Fang, Dong, Luo, Duan, Hu, Dongli, Wen, Jianguo, and Luo, Zhiping. Effect of doping on the performance of high-crystalline SrMnO3 perovskite nanofibers as a supercapacitor electrode.  United States: N. p., 2018. 
        Web.  doi:10.1016/j.ceramint.2018.08.313.

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                    George, Gibin, Jackson, Shanell L., Luo, Charles Q., Fang, Dong, Luo, Duan, Hu, Dongli, Wen, Jianguo, & Luo, Zhiping. Effect of doping on the performance of high-crystalline SrMnO3 perovskite nanofibers as a supercapacitor electrode.  United States.  doi:10.1016/j.ceramint.2018.08.313.

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                    George, Gibin, Jackson, Shanell L., Luo, Charles Q., Fang, Dong, Luo, Duan, Hu, Dongli, Wen, Jianguo, and Luo, Zhiping. Tue .  
        "Effect of doping on the performance of high-crystalline SrMnO3 perovskite nanofibers as a supercapacitor electrode".  United States.  doi:10.1016/j.ceramint.2018.08.313.  https://www.osti.gov/servlets/purl/1572464.

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@article{osti_1572464,

  title        = {Effect of doping on the performance of high-crystalline SrMnO3 perovskite nanofibers as a supercapacitor electrode},

  author       = {George, Gibin and Jackson, Shanell L. and Luo, Charles Q. and Fang, Dong and Luo, Duan and Hu, Dongli and Wen, Jianguo and Luo, Zhiping},

  abstractNote = {Perovskite oxides are promising multi-functional materials with enhanced physical and chemical properties. In this study, high-crystalline SrMnO3 perovskite oxide nanofibers have been successfully synthesized by sol–gel electrospinning followed by calcination at different temperatures, using polyvinylpyrrolidone as a sacrificial polymeric binder. The change in porosity and grain size with calcination temperature imparted a substantial effect on the electrochemical properties of the obtained SrMnO3 nanofibers. The SrMnO3 nanofiber electrode calcined at 700 °C exhibits an electrochemical capacitance of 321.7 F g–1 at a discharge current density of 0.5 A g–1. Here, the effect of doping Ba/Ca on Sr, and Co/Fe/Ni on Mn, respectively, on the specific capacitance of SrMnO3 nanofibers is studied. 20 mol% Ba loading shows the best performance as a supercapacitor electrode with a specific capacitance of 446.8 F g–1 at a discharge current density of 0.5 A g–1. The nanofibers retained 87% its initial capacitance after 5000 successive cycles. The device fabricated using the nanofibers show an energy density of 37.3 W h kg–1 at a power density of 400 W kg–1, and it is retained as 15.7 W h kg–1 even at a high-power density of 8006 W kg–1, indicating the potential of this electrode material for high-rate charge/discharge operations in supercapacitors.},

  doi          = {10.1016/j.ceramint.2018.08.313},

  journal      = {Ceramics International},

  number       = 17,

  volume       = 44,

  place        = {United States},

  year         = {2018},

  month        = {8}

}

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DOI: 10.1016/j.ceramint.2018.08.313

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Title: Effect of doping on the performance of high-crystalline SrMnO 3 perovskite nanofibers as a supercapacitor electrode

Abstract

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Title: Effect of doping on the performance of high-crystalline SrMnO ₃ perovskite nanofibers as a supercapacitor electrode