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Surfactant-assisted preparation of all-gel-state flexible supercapacitor with remarkable electrochemical performance based on polyaniline-polyacrylamide/sodium alginate hydrogels

文献类型： 外文期刊

作者： Song, Chunlin 1 ; Yu, Liqun 1 ; Liu, Hailong 2 ; Yang, Zhizhou 1 ; Wu, Yue 1 ; Liu, Fang 3 ; Zhang, Sheng 4 ; Gao, Sheng 1 ; Li, Mei 1 ;

作者机构： 1.Qilu Univ Technol, Shandong Acad Sci, Sch Mat Sci & Engn, Jinan 250353, Shandong, Peoples R China

2.Shandong Dongyue Organ Silicon Mat Co Ltd, Zibo 256401, Shandong, Peoples R China

3.Shandong Acad Agr Sci, Inst Vegetables, Jinan 250100, Shandong, Peoples R China

4.Shandong Shengdu Energy Saving Technol Co Ltd, Jinan 261200, Shandong, Peoples R China

关键词： Polyaniline-based all-gel-state supercapacitors; Flexible electronics; Surfactant; Sodium dodecylbenzene sulfonate

期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.2； 五年影响因子：7.8 ）

ISSN： 0141-8130

年卷期： 2024 年 263 卷

页码：

收录情况： SCI

摘要： The electrochemical performance of polyaniline-based all -gel -state supercapacitor (AGSSC) is significantly depended on the dispersity and mass loaded of polyaniline (PANI). In this manuscript, inspired by the properties of surfactant, sodium dodecylbenzene sulfonate (SDBS) was introduced to prepare various PANI-polyacrylamide/ sodium alginate/SDBS (PANIy-PSSx) AGSSCs. With presence of SDBS, the electrochemical performance of PANIy- PSSx AGSSCs was greatly improved, displaying a trend of initial rise and then decrease with increasing concentration of SDBS from 0 to 0.75 wt%. As the content of SDBS was 0.5 wt%, the resulting PANI1.0-PSS0.5 AGSSC displayed the optimum electrochemical properties with area capacitance and energy density of 913.79 mF/cm2 and 81.23 mu Wh/cm2, respectively. The capacitance rate of PANI1.0-PSS0.5 AGSSC was still more than 93 % after 2000 cycles of sequential CV scans at the scan rate of 200 mV/s. These data were greatly higher than many reported PANI-based AGSSCs. Moreover, the resultant PANI1.0-PSS0.5 AGSSC could maintain high electrochemical performance even after various operations, such as compression, puncture, fluctuating temperature, bending situations and various voltage windows and series -parallel connections. The resultant PANI1.0-PSS0.5 AGSSC had the wide potentials to satisfy the real application requirements. This study offered a facile strategy for design and preparation of flexible supercapacitor with excellent electrochemical performance.

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