2022
DOI: 10.1002/celc.202200662
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Ionic Conductivity Enhancement Achieved by Binder in Electrodes and Its Influence in Supercapacitor

Abstract: Ionic conductivity is a critical factor affecting the electrochemical performance of double layer capacitor. Therefore, additional ion transport channels are introduced by using Nafion as binder in electrode. In this study, carbonized maple as active substance was mixed with binder of Nafion or PVDF to form electrodes. The electrode structures were obtained by scanning electron microscopy and N2 adsorption‐desorption isotherms with the aim of clarifying negligible differences in the microstructure and binding … Show more

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Cited by 7 publications
(4 citation statements)
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“…A novel approach to enhancing the proton conductivity of supercapacitor electrodes was explored by Jia and coworkers. [47] The research specifically examined the use of Nafion as a binder mixed with carbonized maple wood as a biochar active material with high electrical conduction. This combination improved the specific capacitance in H 2 SO 4 electrolytes considerably compared to electrodes using polyvinylidene difluoride (PVDF) binders because the existence of H 3 O + transport channel in Nafion could lead protons to reach the bilayer reaction interface quickly (Figure 7a).…”
Section: Supercapacitorsmentioning
confidence: 99%
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“…A novel approach to enhancing the proton conductivity of supercapacitor electrodes was explored by Jia and coworkers. [47] The research specifically examined the use of Nafion as a binder mixed with carbonized maple wood as a biochar active material with high electrical conduction. This combination improved the specific capacitance in H 2 SO 4 electrolytes considerably compared to electrodes using polyvinylidene difluoride (PVDF) binders because the existence of H 3 O + transport channel in Nafion could lead protons to reach the bilayer reaction interface quickly (Figure 7a).…”
Section: Supercapacitorsmentioning
confidence: 99%
“…A novel approach to enhancing the proton conductivity of supercapacitor electrodes was explored by Jia and co‐workers [47] . The research specifically examined the use of Nafion as a binder mixed with carbonized maple wood as a biochar active material with high electrical conduction.…”
Section: Energy Storage Systemsmentioning
confidence: 99%
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“…A binder is a significant contributor to the evolution of the electrode structure. The development of new binders with different functions has gradually become a key to solve the low ion transport performance. Building the efficient ion transport channels inside the electrodes and realizing the high-speed transport is one of the key research directions for future battery technologies. More specifically, the binder determines the microscopic and interfacial evolution during electrode fabrication through its own physical and chemical properties. Poly­(vinylidene fluoride) (PVDF) is a commonly used binder in LIBs owing to its electrochemical stability. However, the low ionic conductivity of PVDF results in a slow Li + diffusion rate, which, in turn, affects the reaction kinetics and further restricts the application of high-rate LIBs. Therefore, new binders with good adhesion properties and high-rate properties are significant for the manufacture of high-power LIBs.…”
Section: Introductionmentioning
confidence: 99%