A UV cross-linked gel polymer electrolyte enabling high-rate and high voltage window for quasi-solid-state supercapacitors

Bai, Yuge; Yang, Chao; Yuan, Boheng; Li, Hongjie; Chen, Weimeng; Yin, Haosen; Zhao, Bin; Shen, Fei; Han, Xiaogang

doi:10.1016/j.jechem.2022.09.015

Cited by 15 publications

(2 citation statements)

References 63 publications

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“…To better meet the demands of supercapacitor development, research on ionic liquid gel electrolytes has gained more attention in recent years [17][18][19]. Ionic liquids (ILs) exhibit non-volatility, non-combustion, easy conduction, and a wide electrochemical window, enabling the fabrication of ionic liquid gel polymer electrolytes (IL-GPEs) that possess some properties of both hydrogels and organic gel polymer electrolytes, such as excellent ionic conductivity and a wide working potential range [20][21]. Furthermore, ionic liquid gel polymer electrolytes exhibit a broad operating temperature range and possess the potential for self-repair under speci c conditions.…”

Section: Introductionmentioning

confidence: 99%

Insight of super-capacitive properties of flexible gel polymer electrolyte containing butyl imidazole ionic liquids with different anions based on PVDF-HFP

Sun,

Liu

2024

J Polym Res

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Capacitors based on ionic liquid gel polymer electrolytes (GPEs) have received wide attention as an environmentally friendly energy source due to their good speci c capacitance, good cycling capacity, and stability. Herein, exible gel polymer electrolyte (GPE) lms were prepared and applied using three butyl imidazole ionic liquids containing different anions as additives based on polyvinylidene uoride hexa uoropropylene (PVDF-HFP). The structural and mechanical properties of GPE lms have been characterized by SEM, XRD, FTIR, TGA, stress-strain, and DFT calculations, and their ionic conductivity has been tested by stainless steel methods. The assembled symmetric supercapacitor underwent testing via cyclic voltammetry, electrochemical impedance, and constant current charge-discharge methods. The objective was to assess the impact of various gel electrolytes utilized in the experiment. This work is useful to further verify the in uence of the anionic component of ionic liquids on the physical and chemical properties of gel electrolytes and to prepare more excellent solid electrolytes for supercapacitors.

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Section: Introductionmentioning

confidence: 99%

Insight of super-capacitive properties of flexible gel polymer electrolyte containing butyl imidazole ionic liquids with different anions based on PVDF-HFP

Sun,

Liu

2024

J Polym Res

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“…7 Until now, diverse nanostructured electrode materials have been devoted to tailoring the performance of FSCs. 8–19 Among them, carbon nanomaterials have been widely used as electrode materials for FSCs due to their high conductivity, and high specific surface areas. It has been reported that microporous carbons with pore sizes smaller than 2 nm are not fully electrochemically accessible, which decreased the rate performance of microporous carbon.…”

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confidence: 99%