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Surfactant-Assisted Perovskite Nanofillers Incorporated in Quaternized Poly (Vinyl Alcohol) Composite Membrane as an Effective Hydroxide-Conducting Electrolyte

Author

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  • Selvaraj Rajesh Kumar

    (Department of Chemical and Materials Engineering, and Green Technology Research Center, Chang Gung University, Guishan District, Tao-yuan 333, Taiwan)

  • Wei-Ting Ma

    (Department of Chemical and Materials Engineering, and Green Technology Research Center, Chang Gung University, Guishan District, Tao-yuan 333, Taiwan)

  • Hsin-Chun Lu

    (Department of Chemical and Materials Engineering, and Green Technology Research Center, Chang Gung University, Guishan District, Tao-yuan 333, Taiwan)

  • Li-Wei Teng

    (Department of Chemical and Materials Engineering, and Green Technology Research Center, Chang Gung University, Guishan District, Tao-yuan 333, Taiwan)

  • Hung-Chun Hsu

    (Department of Chemical and Materials Engineering, and Green Technology Research Center, Chang Gung University, Guishan District, Tao-yuan 333, Taiwan)

  • Chao-Ming Shih

    (Department of Chemical and Materials Engineering, and Green Technology Research Center, Chang Gung University, Guishan District, Tao-yuan 333, Taiwan)

  • Chun-Chen Yang

    (Department of Chemical Engineering and Battery Research Center of Green Energy, Ming Chi University of Technology, New Taipei City 24301, Taiwan)

  • Shingjiang Jessie Lue

    (Department of Chemical and Materials Engineering, and Green Technology Research Center, Chang Gung University, Guishan District, Tao-yuan 333, Taiwan
    Department of Radiation Oncology, Chang Gung Memorial Hospital, Kwei-shan, Tao-yuan 333, Taiwan
    Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan)

Abstract

Perovskite LaFeO 3 nanofillers (0.1%) are incorporated into a quaternized poly(vinyl alcohol) (QPVA) matrix for use as hydroxide-conducting membranes in direct alkaline methanol fuel cells (DAMFCs). The as-synthesized LaFeO 3 nanofillers are amorphous and functionalized with cetyltrimethylammonium bromide (CTAB) surfactant. The annealed LaFeO 3 nanofillers are crystalline without CTAB. The QPVA/CTAB-coated LaFeO 3 composite membrane shows a defect-free structure while the QPVA/annealed LaFeO 3 film has voids at the interfaces between the soft polymer and rigid nanofillers. The QPVA/CTAB-coated LaFeO 3 composite has lower methanol permeability and higher ionic conductivity than the pure QPVA and QPVA/annealed LaFeO 3 films. We suggest that the CTAB-coated LaFeO 3 provides three functions to the polymeric composite: increasing polymer free volume, ammonium group contributor, and plasticizer to enhance the interfacial compatibility. The composite containing CTAB-coated LaFeO 3 results in superior cell performance. A maximum power density of 272 mW cm −2 is achieved, which is among the highest power outputs reported for DAMFCs in the literature.

Suggested Citation

  • Selvaraj Rajesh Kumar & Wei-Ting Ma & Hsin-Chun Lu & Li-Wei Teng & Hung-Chun Hsu & Chao-Ming Shih & Chun-Chen Yang & Shingjiang Jessie Lue, 2017. "Surfactant-Assisted Perovskite Nanofillers Incorporated in Quaternized Poly (Vinyl Alcohol) Composite Membrane as an Effective Hydroxide-Conducting Electrolyte," Energies, MDPI, vol. 10(5), pages 1-22, May.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:5:p:615-:d:97364
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    References listed on IDEAS

    as
    1. Stoševski, Ivan & Krstić, Jelena & Vokić, Nikola & Radosavljević, Miljan & Popović, Zorica Kačarević & Miljanić, Šćepan, 2015. "Improved Poly(vinyl alcohol) (PVA) based matrix as a potential solid electrolyte for electrochemical energy conversion devices, obtained by gamma irradiation," Energy, Elsevier, vol. 90(P1), pages 595-604.
    2. Francesco Cordero & Floriana Craciun & Francesco Trequattrini, 2017. "Ionic Mobility and Phase Transitions in Perovskite Oxides for Energy Application," Challenges, MDPI, vol. 8(1), pages 1-18, February.
    3. Jia-Shuin Lin & Wei-Ting Ma & Chao-Ming Shih & Bor-Chern Yu & Li-Wei Teng & Yi-Chun Wang & Kong-Wei Cheng & Fang-Chyou Chiu & Shingjiang Jessie Lue, 2016. "Reorientation of Magnetic Graphene Oxide Nanosheets in Crosslinked Quaternized Polyvinyl Alcohol as Effective Solid Electrolyte," Energies, MDPI, vol. 9(12), pages 1-13, November.
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    Cited by:

    1. Yu, Bor-Chern & Wang, Yi-Chun & Lu, Hsin-Chun & Lin, Hsiu-Li & Shih, Chao-Ming & Kumar, S. Rajesh & Lue, Shingjiang Jessie, 2017. "Hydroxide-ion selective electrolytes based on a polybenzimidazole/graphene oxide composite membrane," Energy, Elsevier, vol. 134(C), pages 802-812.
    2. Shingjiang Jessie Lue & Nai-Yuan Liu & Selvaraj Rajesh Kumar & Kevin Chi-Yang Tseng & Bo-Yan Wang & Chieh-Hsin Leung, 2017. "Experimental and One-Dimensional Mathematical Modeling of Different Operating Parameters in Direct Formic Acid Fuel Cells," Energies, MDPI, vol. 10(12), pages 1-14, November.
    3. Yang, Yunfei & Ye, Niya & Chen, Shaoshuai & Zhang, Dengji & Wan, Ruiying & Peng, Xiaomeng & He, Ronghuan, 2020. "Surfactant-assisted incorporation of ZrO2 nanoparticles in quaternized poly(2,6-dimethyl-1,4-phenylene oxide) for superior properties of anion exchange membranes," Renewable Energy, Elsevier, vol. 166(C), pages 45-55.

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