Preparation and Electrochemical Performance of PVdF Ultrafine Porous Fiber Separator-Cum-Electrolyte for Supercapacitor

Preparation and Electrochemical Performance of PVdF Ultrafine Porous Fiber Separator-Cum-Electrolyte for Supercapacitor

Poly (vinylidene fluoride) (PVdF) ultrafine porous fiber membranes with a three-dimensional network structure, high porosity and electrolyte uptake are prepared via a blend electrospinning and phase separation process under ultrasonic-assisted vibration. The structure and morphology of PVdF fiber me...

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Veröffentlicht in:Journal of the Electrochemical Society 2017-01, Vol.164 (13), p.E379-E384
Hauptverfasser: He, Tieshi, Jia, Rui, Lang, Xiaoshi, Wu, Xianyan, Wang, Youjiang
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container_end_page E384
container_issue 13
container_start_page E379
container_title Journal of the Electrochemical Society
container_volume 164
creator He, Tieshi
Jia, Rui
Lang, Xiaoshi
Wu, Xianyan
Wang, Youjiang
description Poly (vinylidene fluoride) (PVdF) ultrafine porous fiber membranes with a three-dimensional network structure, high porosity and electrolyte uptake are prepared via a blend electrospinning and phase separation process under ultrasonic-assisted vibration. The structure and morphology of PVdF fiber membranes are investigated by the scanning electron microscope and porous structure parameter analyzer. The electrochemical performances of supercapacitor constructed with PVdF ultrafine porous fiber membrane as separator-cum-electrolyte are investigated. PVdF ultrafine porous fiber membranes possess high electrolyte uptake (360 wt%) and wide electrochemical stability windows (0.0 to 3.3 V). The activated electrode supercapacitor constructed by PVdF ultrafine porous fiber separator-cum-electrolyte exhibits superior specific capacity (39.5 F·g−1) even under high current density (100 mA·g−1).
doi_str_mv 10.1149/2.0631713jes
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The activated electrode supercapacitor constructed by PVdF ultrafine porous fiber separator-cum-electrolyte exhibits superior specific capacity (39.5 F·g−1) even under high current density (100 mA·g−1).</abstract><pub>The Electrochemical Society</pub><doi>10.1149/2.0631713jes</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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