A novel mediator-containing polyvinylidene fluoride/lithium trifluoromethanesulfonate polymer electrolyte membrane for low-temperature solid-state supercapacitors
By Cai, Jinshu; Wang, Yuchen; Qiao, Xiaoyao; Zhou, Xiangyang; Mansour, Azzam N.
Published in Materials Letters
2019
Abstract
One of most difficult technical barriers for developing solid-state supercapacitors is low ionic conductivity of the polymer electrolyte at low temperature below the freezing point and at room temperature. In this work, a method which incorporates the addition of a small quantity of K4Fe(CN)6/K3Fe(CN)6 mediators in the PVDF-LiTFS polymer electrolyte membrane was used to achieve high conductivity at ?20
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