Quaternary ammonium functionalized poly(arylene ether sulfone)/poly(vinylpyrrolidone) composite membranes for electrical double-layer capacitors with activated carbon electrodes
Journal of Membrane Science, ISSN: 0376-7388, Vol: 505, Page: 148-156
2016
- 28Citations
- 27Captures
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Article Description
A series of quaternary ammonium functionalized poly(arylene ether sulfone)/poly(vinylpyrrolidone) (PAES-Q/PVP) composite membranes for separators and composite polymer electrolytes (CPEs) of electrical double-layer capacitors (EDLCs) were prepared by solution blending. EDLCs were then fabricated with the composite membranes and activated carbon electrodes. The optimized solid-state EDLC with PAES-Q/PVP composite membrane containing 40 wt% PVP entrapping 6 M KOH served as CPE exhibited a specific capacitance of 140.85 F g −1 and an energy density of 4.81 W h kg −1 at a current density of 0.1 A g −1. Electrochemical cycle performance of the solid-state EDLC indicated almost 100% cycling retention and near 97% coulombic efficiency over 5000 charge-discharge cycles at 0.5 A g −1. Additionally, the mechanical properties, thermal stability and electrochemical performance of the composite membranes with various contents of PVP were investigated as well.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0376738816300266; http://dx.doi.org/10.1016/j.memsci.2016.01.025; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84956685279&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0376738816300266; https://dx.doi.org/10.1016/j.memsci.2016.01.025
Elsevier BV
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