Cellulose Gel Polymer Electrolytes and Its Application in Supercapacitors

Chinese Journal of Applied Chemistry ›› 2020, Vol. 37 ›› Issue (5): 0-.

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Cellulose Gel Polymer Electrolytes and Its Application in Supercapacitors

ZHANG Xiaobo^a,XIN Haiying^a,XU Shuang^a,ZHANG Xinghai^b^*(),WANG Liqiu^a^c^*()

^aCollege of Environmental and Chemical Engineering,Yanshan University,Qinhuangdao,Hebei 066004,China
^bSchool of Physical Education,Yanshan University,Qinhuangdao,Hebei 066004,China
^cKey Laboratory of Advanced Energy Materials Chemistry(Ministry of Education),College of Chemistry,Nankai University,Tianjin 300071,China

Received:2019-12-01 Published:2020-05-01 Online:2020-07-09
Contact: ZHANG Xinghai,WANG Liqiu
Supported by:
Supported by Hebei Natural Science Foundation(No.B2019203500), the Open Fund of Key Laboratory of Advanced Energy Materials Chemistry, Ministry of Education(2018) and Hebei Social Science Foundation(No.HB18TY020)

Abstract

Abstract:

A cellulose gel electrolyte (XWD-NaOH) was obtained through static hydration and crosslinking of cellulose pulp viscose solution, followed by introducing potassium ferrocyanide into XWD-NaOH to give a gel electrolyte (XWD-NaOH-K₄[Fe(CN)₆]). XWD-NaOH-K₄[Fe(CN)₆] has excellent redox activity and ionic conductivity (15.3 mS/cm). At 0.5 A/g current density, XWD-NaOH-K₄[Fe(CN)₆] electrolyte supercapacitor exhibits an increase of the electrode specific capacitance, power density and energy density by 57%, 111% and 214% compared to those of XWD-NaOH system. The XWD-NaOH-K₄[Fe(CN)₆] system has low internal resistance, charge transfer resistance and high cycle stability

Key words: cellulose pulp, gel polymer electrolyte, potassium ferrocyanide, supercapacitor

ZHANG Xiaobo, XIN Haiying, XU Shuang, ZHANG Xinghai, WANG Liqiu. Cellulose Gel Polymer Electrolytes and Its Application in Supercapacitors[J]. Chinese Journal of Applied Chemistry, 2020, 37(5): 0-.

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Cellulose Gel Polymer Electrolytes and Its Application in Supercapacitors

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