Preparation PVA·-KOH-·Hz alkaline gelpolymerelectrolyte MA Yue—li,ZHANG Ming—yu,LI Zheng—fu,LIMing—kao ofMaterialScienceand (Faculty Engineering,KunmingUniversity and ofScience 650093,China) Technology,Kunming alkaline was Abstract:Polyvinylalcohol(PVA)一KOH-H20gelpolymerelectrolyte by prepared ...
In this study, the PVA-based electrolyte has been synthesized with potassium hydro-oxide (KOH) as ionic migration agent, which may enhance the electronic double-layers capacitance (EDLC) phenomena. In order to mechanically strengthen the graphene-based activated carbon, larger pore fabric is ...
KOHalkalinegelpolymerelectrolytemembranes(R.T.) 为了考察该类碱性凝胶聚合物电解质的电化学稳定性能, 选用组成为 PVA:PAA:KoH 一10:50 :4O(质量比)的薄膜进行了循环伏安(cV)测试.图 3 为该组份薄膜循环 100 周期前 后的循环伏安曲线. 从图中可以看出,该薄膜的电化学稳定窗口在 2.0V 以上,这个电压范...
The development of PVA-KOH gel electrolytes doped with various concentrations of TiO 2 nanoparticles was investigated to enhance the electrochemical performance and stability of symmetric supercapacitors (SSCs). The optimized SSC, with 0.30% TiO 2 doping, demonstrated superior electrochemical performance, ...
Alkali and potassium ferricyanide doped polyvinyl alcohol gel electrolyte is prepared.The PVA–KOH–K3[Fe(CN)6] gel electrolyte can also be used as separator.The introduction of K3[Fe(CN)6] increases the ionic conductivity of electrolyte.The supercapacitor exhibits flexible and wide potential ...
Yu H, Wu J, Fan L et al (2011) Improvement of the performance for quasi-solid-state supercapacitor by using PVA–KOH–KI polymer gel electrolyte. Electrochim Acta 56:6881–6886S28 Yu, H. et al., Improvement of the performance for quasi-solid-state supercapacitor by using PVA-KOH-KI ...
gel polymer electrolyte;PVA blend;potassium hydroxide;XRD and ATR-FTIR;TGA-DTG;ionic conductivity;cyclic voltammetry study;Zn–air battery 1. Introduction Polymer electrolytes have been considered as a possible ionically active material since Fenton and coworkers discovered the poly(ethylene oxide) (PEO...