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Information Journal Paper

Title

Study the Effect of Acid-heat Pretreatment of Nafion Membrane on the Performance of Multi-cell Stack of Vanadium Redox Flow Battery

Pages

  64-72

Abstract

 In recent years, extensive research has been focused on the key materials of vanadium redox flow batteries (VRFBs) to improve the power and energy density. In a VRFB system, the ion-exchange Membrane is an important component, because it is used to separate the positive and negative electrolytes and to allow the transfer of ions. Nafion Membrane is now widely used in VRFBs due to its high proton conductivity and remarkable chemical stability. In the present study, the Nafion 117 Membrane was subjected to Acid-heat pretreatment for utilizing in VRFBs. Three-cell stacks of VRFB were assembled using bare and pretreated Membranes, and their performances were evaluated during charge/discharge cycles. The results indicate that acid and heat pretreatment on the Nafion 117 Membrane improves the VRFB energy density up to 30%. In addition, the average discharge voltage, which is one of the key parameters in the VRFB performance, is increased from 3. 57 V (for the bare Membrane) to 3. 9 V (for the pretreated Membrane). This helps to reduce the weight of the VRFB stack as well as the cost of the battery manufacturing. On the other hand, the acid and heat pretreatment of the Membrane improves the energy and voltage efficiencies of VRFB from 66. 9% and 76. 8% to 73% and 87%, respectively.

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    APA: Copy

    Zarei Jelyani, Mohammad, Loghavi, Mohammad Mohsen, babaiee, Mohsen, EQRA, RAHIM, & Masoomi, Masood. (2022). Study the Effect of Acid-heat Pretreatment of Nafion Membrane on the Performance of Multi-cell Stack of Vanadium Redox Flow Battery. JOURNAL OF SPACE SCIENCE, TECHNOLOGY AND APPLICATIONS, 2(1 ), 64-72. SID. https://sid.ir/paper/986111/en

    Vancouver: Copy

    Zarei Jelyani Mohammad, Loghavi Mohammad Mohsen, babaiee Mohsen, EQRA RAHIM, Masoomi Masood. Study the Effect of Acid-heat Pretreatment of Nafion Membrane on the Performance of Multi-cell Stack of Vanadium Redox Flow Battery. JOURNAL OF SPACE SCIENCE, TECHNOLOGY AND APPLICATIONS[Internet]. 2022;2(1 ):64-72. Available from: https://sid.ir/paper/986111/en

    IEEE: Copy

    Mohammad Zarei Jelyani, Mohammad Mohsen Loghavi, Mohsen babaiee, RAHIM EQRA, and Masood Masoomi, “Study the Effect of Acid-heat Pretreatment of Nafion Membrane on the Performance of Multi-cell Stack of Vanadium Redox Flow Battery,” JOURNAL OF SPACE SCIENCE, TECHNOLOGY AND APPLICATIONS, vol. 2, no. 1 , pp. 64–72, 2022, [Online]. Available: https://sid.ir/paper/986111/en

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