Scalable fabrication of a flexible interdigital micro-supercapacitor device by in-situ polymerization of pyrrole into hybrid PVA-TEOS membrane

Torvi, Anand I.; Munavalli, Balappa B.; Naik, Satishkumar R.

doi:10.1016/j.electacta.2018.06.034

Cited by 29 publications

(9 citation statements)

References 76 publications

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“…Conducting polymers such as polypyrrole and polyaniline store electrical charges through surface redox reactions, thereby producing a considerably higher specific capacitance than carbonaceous electrode materials. − Such conducting polymers exhibit additional advantages of flexibility, light weight, and low cost in the fabrication of flexible supercapacitors. − Conducting polymer-based electrode materials, however, suffer from significant capacitance fading at a high rate during a long cycle life. − As pseudocapacitive reactions generally occur at the near-surface of the electrode or electrolyte interface, it is difficult for the electrolyte ions to access the buried active sites within the bulk of the electrode, causing a significant decrease in rate performance. , The repetitive oxidation/reduction of polymers during cycling leads to polymer swelling and shrinkage; thus, the stressed mechanical disorder of the polymer chain is inefficient for long-term stability …”

Section: Introductionmentioning

confidence: 99%

Large-Area and 3D Polyaniline Nanoweb Film for Flexible Supercapacitors with High Rate Capability and Long Cycle Life

Park

Jeong

Kim

et al. 2020

ACS Appl. Energy Mater.

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Flexible, thin, and lightweight supercapacitors have been regarded as important power sources for portable and wearable electronics; however, these are usually limited by relatively low areal or volumetric performances compared to their gravimetric performance. In this paper, a large-area, thin, and flexible three-dimensional (3D) polyaniline nanoweb film with controlled nanomorphology is reported for the improvement of the areal and volumetric performances of supercapacitors. The 3D nanoweb structure provides large ion accessible active sites, short ion diffusion distance, and enhanced mechanical tolerance during electrochemical reactions. The resulting polyaniline nanoweb film electrodes exhibit a high areal capacitance of 303 mF/cm 2 at 10 mV/s, a high capacitance retention of 73% even at a high scan rate of 1000 mV/s, and long-term cycle stability (98.9% capacitance retention over 10000 cycles). The all-solid-state flexible supercapacitors deliver high device area-specific and volume-specific energy densities of 12.7 μWh/cm 2 and 1.0 Wh/L, respectively.

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Section: Introductionmentioning

confidence: 99%

Large-Area and 3D Polyaniline Nanoweb Film for Flexible Supercapacitors with High Rate Capability and Long Cycle Life

Park

Jeong

Kim

et al. 2020

ACS Appl. Energy Mater.

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“…The resulting specific capacitance is much superior to specific capacitance reported in our previous work. [50] The variation of specific capacitance to current density is shown in Figure 10b. Only 29.62 % capacitance loss was observed with increasing the current density from 0.2 to 2.0 mA g À 1 , implying low electrode polarization.…”

Section: Electrochemical Performances Of the Nanocomposite Membranesmentioning

confidence: 99%

Fabrication and Evaluation of Flexible Micro‐Supercapacitor from MWCNTs‐Ag Nanohybrid‐Sulfonated PANI Nanocomposite Embedded PVA‐TEOS Membrane

et al. 2021

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The flexible nanocomposite membranes were developed by incorporating the multiwalled carbon nanotubes-silver nanoparticle-sulfonated polyaniline (MWCNTsÀ Ag-SPANI) nanocomposite in TEOS crosslinked PVA matrix. The physicochemical properties of the resulting ternary nanocomposite membranes were investigated systematically by different techniques. The electrochemical performance of all the nanocomposites was evaluated by cyclic voltammetry, galvanostatic charge-discharge and electrochemical impedance spectroscopy. The nanocomposite containing 1 : 1 weight ratios exhibited a maximum specific capacitance of 572.8 F g À 1 with energy density of 79.5 Wh kg À 1 and power density of 9.9 kW kg À 1 . A remarkable electrochemical performance of ternary nanocom-posite was associated due to the synergistic effect of MWCNTs, SPANI and Ag nanoparticles. Around 83.5 % capacitance retention was found even after 2500 cycles, revealing that nanocomposite exhibited an excellent stability. Considering these superior performances, a micro-supercapacitor device was fabricated from the developed nanocomposite membrane and evaluated its electrochemical performance. The fabricated micro-supercapacitor device showed specific capacitance of 60.95 F g À 1 , energy density of 7.46 Wh kg À 1 and power density of 67.81 W kg À 1 at a current density of 5.0 mA g À 1 . Furthermore, the fabrication method adopted here could be easily applied to large-scale fabrication of flexible light-weight micro-supercapacitor devices.

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“…These properties make them a suitable replacement for conventional energy storage systems. Supercapacitors cover a significant range of applications, including aerospace, hybrid vehicles, voltage stabilizers, electronics, and rail transportation [ 10 ]. Typical electrode materials for supercapacitors are composed of metal oxides such as Fe 2 O 3 , NiO, RuO 2 , Co 2 O 3 , and conjugated highly conductive polymers such as polyaniline (PANI), polypyrrole (PPy), polythiophene (PTh), etc.…”

Section: Introductionmentioning

confidence: 99%

Synthesis, Characterization and Electrochemical Performance of a Redox-Responsive Polybenzopyrrole@Nickel Oxide Nanocomposite for Robust and Efficient Faraday Energy Storage

et al. 2022

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A polybenzopyrrole@nickel oxide (Pbp@NiO) nanocomposite was synthesized by an oxidative chemical one-pot method and tested as an active material for hybrid electrodes in an electrochemical supercapattery device. The as-prepared composite material exhibits a desirable 3D cross-linked nanostructured morphology and a synergistic effect between the polymer and metal oxide, which improved both physical properties and electrochemical performance. The unprocessed material was characterized by X-ray diffraction, FTIR and UV–Vis spectroscopy, scanning electron microscopy/energy disperse X-ray analysis, and thermogravimetry. The nanocomposite material was deposited without a binder on gold current collectors and investigated for electrochemical behavior and performance in a symmetrical two- and three-electrode cell setup. A high specific capacity of up to 105 C g−1 was obtained for the Pbp@NiO-based electrodes with a gravimetric energy density of 17.5 Wh kg−1, a power density of 1,925 W kg‑1, and excellent stability over 10,000 cycles.

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Scalable fabrication of a flexible interdigital micro-supercapacitor device by in-situ polymerization of pyrrole into hybrid PVA-TEOS membrane

Cited by 29 publications

References 76 publications

Large-Area and 3D Polyaniline Nanoweb Film for Flexible Supercapacitors with High Rate Capability and Long Cycle Life

Large-Area and 3D Polyaniline Nanoweb Film for Flexible Supercapacitors with High Rate Capability and Long Cycle Life

Fabrication and Evaluation of Flexible Micro‐Supercapacitor from MWCNTs‐Ag Nanohybrid‐Sulfonated PANI Nanocomposite Embedded PVA‐TEOS Membrane

Synthesis, Characterization and Electrochemical Performance of a Redox-Responsive Polybenzopyrrole@Nickel Oxide Nanocomposite for Robust and Efficient Faraday Energy Storage

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