Oriented Polyaniline Nanowire Arrays Grown on Dendrimer (PAMAM) Functionalized Multiwalled Carbon Nanotubes as Supercapacitor Electrode Materials

Jin, Lin; Yu, Jiang; Zhang, Mengjie; Li, Honglong; Xiao, Linghan; Li, Ming

doi:10.1038/s41598-018-24265-7

Cited by 38 publications

(23 citation statements)

References 42 publications

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“…The peaks at 1300 and 1242 cm −1 are caused by the C=N and C–N stretching, respectively. In addition, the peaks at 1130 and 827 cm −1 are associated with the stretching of N=Q=N and bending vibration of C–H [26,34]. These characteristic peaks demonstrate the successful polymerization of the PANI on CC.…”

Section: Resultsmentioning

confidence: 99%

Hierarchical PANI/NiCo-LDH Core-Shell Composite Networks on Carbon Cloth for High Performance Asymmetric Supercapacitor

Plachý

et al. 2019

Nanomaterials

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In this work, a facile two-step strategy is adopted to construct hierarchical polyaniline/NiCo-layered double hydroxide (PANI/NiCo-LDH) core-shell composite nanofiber networks on carbon cloth (CC). Three-dimensional (3D) porous PANI nanofiber networks are firstly uniformly anchored on CC by in-situ oxidative polymerization, followed by growth of NiCo-LDH nanoflakes on the crosslinked PANI framework via electrochemical deposition. The morphology and electrochemical properties of PANI/NiCo-LDH composites are controlled by the deposition time of LDH. Benefiting from rapid electron transport and ion diffusion, the well-defined PANI/NiCo-LDH hierarchical composite with 200 s deposition of LDH delivers a large capacitance of 1845 F g−1 at 0.5 A g−1 and excellent cycling stability of 82% capacitance retention after 5000 cycles at a very high current density of 10.0 A g−1. Furthermore, an asymmetric supercapacitor (ASC) assembled with PANI/NiCo-LDH as a positive electrode and activated carbon (AC) as a negative electrode exhibits a high capacitance of 147.2 F g−1 in a potential range from 0 to 1.5 V and superior energy density of 46.0 Wh kg−1 at a power density of 351.6 W kg−1.

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Section: Resultsmentioning

confidence: 99%

Hierarchical PANI/NiCo-LDH Core-Shell Composite Networks on Carbon Cloth for High Performance Asymmetric Supercapacitor

Plachý

et al. 2019

Nanomaterials

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“…On the CF/RuO 2 -TiO 2 spectrum, no signal is attributed to RuO 2 . All the peaks are assigned to the anatase, this is due to the analyzed area which is possibly disabled in ruthenium (Fig , 1510, and 1595 cm -1 ; they are assigned to C-H bending of the quinoid and benzenoid ring, C-N + stretching vibration, , C=C stretching of the benzenoid ring, and C=C stretching of the quinoid rings (Jlassi et al, 2014;Jin, 2018). It is noted that the Raman response of the cellulose is hidden by TiO 2 which absorbs strongly in the same zone as cellulose.…”

Section: Ramanmentioning

confidence: 97%

Mixed oxide-polyaniline composite-coated woven cotton fabrics for the visible light catalyzed degradation of hazardous organic pollutants

et al. 2020

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Clean water and sea free of organic pollutants are among the 17 United Nation Sustainable Development Goals (SDGs). In this global concern, the design of efficient, stable and recyclable catalytic materials remains challenging. In this context, we designed a series of mixed oxide-modified cotton fabrics and their related composites and interrogated their propensity to catalyze the degradation of methyl orange (MO) (a model pollutant). More specifically, functional cotton fabrics (CF) coated with RuO 2 -TiO 2 based-photocatalysts were obtained by dip-coating method at neutral pH. A layer of Polyaniline (PANI) was prepared by in situ oxidative polymerization of the aniline monomer on 4-diphenylamine diazonium salt (DPA) modified-RuO 2 -TiO 2 nanoparticles (NPs) coated-CF. The modified CFs catalyzed photodegradation and mineralization of MO under visible light, which depended on polyaniline mass loading. The CF/RuO 2 -TiO 2 /DPA@PANI obtained by in situ polymerization was the best catalyst due to DPA adhesive layer for polyaniline to RuO 2 -TiO 2 , and the strong attraction force between cellulose OH groups and anilinium during polymerization. The photodegradation rate constant was 0.101, 0.0532, 0.0775 and 0.0828 min -1 for RuO 2 -TiO 2 /DPA@PANI, RuO 2 -TiO 2 , RuO 2 -TiO 2 /PANI and RuO 2 -TiO 2 /DPA/PANI coated-CFs, respectively. The catalytic activity is favored by the photoactive species (OH  , 2 − ) which are formed by the excitation of electrons under visible light but also by the electronic exchanges at the RuO 2 //TiO 2 , RuO 2 -TiO 2 //PANI and RuO 2 -TiO 2 /PANI//CF interfaces.CF/RuO 2 -TiO 2 /DPA/PANI photocatalyst was stable under simulated sunlight and reusable three times. A mechanism is proposed to account for the efficient CF catalytic properties.

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“…However, we could also evidence that in order to improve the interaction between PAni and CNTs, a multi‐amino dendrimer (PAMAM) was used. The fabricated electrode composed of PAni‐PAMAM‐CNT composite (568 Fg −1 ) exhibited much higher specific capacitance than PAni and PAni/CNT–based supercapacitors …”

Section: Application Of Polyaniline In the Field Of Supercapacitorsmentioning

confidence: 99%

An overview on the recent developments in polyaniline‐based supercapacitors

Banerjee

Dutta

Kader

et al. 2019

Polymers for Advanced Techs

102

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With the ever-increasing depletion of nonrenewable fossil fuel reserve, greater attention has been directed towards renewable energy storage devices. One of the most important of such devices is the supercapacitor, which exhibits high specific capacitance. Polyaniline (PAni) is a versatile conducting polymer, which has demonstrated excellent electrochemical properties along with good stability and ease of synthesis.Therefore, PAni has been extensively used in the fabrication of supercapacitors. In the last few decades, researchers have studied the effect of morphology, developed during the synthesis of PAni, on its electrochemical properties. It is known that the electrical conductivity and the electrochemical properties of PAni get influenced by the level and type of dopant used, the method of synthesis adopted, and the surface area and porosity possessed. However, it has been realized that supercapacitors based on PAni suffer from short cycle life. This led to development of PAni composites with carbon-based materials and transition metal oxides. In this review, focus has been laid on the achieved performance levels of the recently developed PAni-based supercapacitors. In addition, an attempt has been made to study the fundamental aspects of the conductivity and the electrochemical properties of PAni and their effect on the supercapacitor performance. Moreover, several new interesting applications of PAni-based supercapacitors have also been included in this review.1 | INTRODUCTION Supercapacitors, for the last few decades, have accrued immense attention from the scientific society for their unique properties like long cycle life, wide operating temperature window, high power density, and fast charge-discharge cycle. 1,2 It can store charge in two different ways-either by electrostatic way (electrical double layer capacitors, EDLCs) or by thorough fast and reversible Faradaic reaction (pseudocapacitors). In case of EDLCs, the opposite charges are stored on the surface of the two parallel conductive plates with electrolytes between them that help in shuttling of ions between the two.EDLCs type of supercapacitors have shown higher power densities and hence higher rate capabilities. It has been studied that carbon-based materials have shown EDLC-type behavior with high power density, low cost, and tunable porosity but lacks in energy density. [3][4][5] Pseudocapacitors store charges through fast and reversible reaction, which can store charges near the surface of the electrode, and thus possess high capacitance but low power density. Transition metal oxides (TMOs), mixed TMOs, 6 and conducting polymers (CPs) exhibit pseudocapacitance. TMOs exhibit multiple oxidation states with low activation energy but lack high capacitance and flexibility and suffer from instability. In recent years, extensive studies have been done on TMOs and carbon-based materials. Another group of fascinating materials is CPs, which show high specific capacitance, flexibility, and ease of fabrication. The performance of the supercapacitor is...

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Oriented Polyaniline Nanowire Arrays Grown on Dendrimer (PAMAM) Functionalized Multiwalled Carbon Nanotubes as Supercapacitor Electrode Materials

Cited by 38 publications

References 42 publications

Hierarchical PANI/NiCo-LDH Core-Shell Composite Networks on Carbon Cloth for High Performance Asymmetric Supercapacitor

Hierarchical PANI/NiCo-LDH Core-Shell Composite Networks on Carbon Cloth for High Performance Asymmetric Supercapacitor

Mixed oxide-polyaniline composite-coated woven cotton fabrics for the visible light catalyzed degradation of hazardous organic pollutants

An overview on the recent developments in polyaniline‐based supercapacitors

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