Synthesis of conducting polymer-intercalated vanadate nanofiber composites using a sonochemical method for high performance pseudocapacitor applications

Lee, Se Hun; Park, Changyong; Park, Jong Woo; Kim, Seon Jeong; Im, Seung Soon; Ahn, Heejoon

doi:10.1016/j.jpowsour.2019.01.031

Cited by 38 publications

(14 citation statements)

References 45 publications

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“…It is hypothesized that modifying the interlayer of these materials could result in enhanced interfacial charge transfer and solid-state ion transport, , both of which are necessary for highly reversible, pseudocapacitive charge storage. Methods to tune the interlayer include nanoconfined fluids, , conductive polymers, − and interlayer pillaring via organic intercalants , and metal cations …”

Section: Emerging Pseudocapacitive Materials and Design Strategiesmentioning

confidence: 99%

“…The introduction of electronically conductive polymers into the interlayers of oxides, sulfides, and MXenes can lead to increased electronic and ionic transport. For example, vanadate nanofibers synthesized with poly(3,4-ethylene dioxythiophene) (PEDOT) in the interlayers had an increased interlayer spacing (from 8.9 to10.2 Å) and electronic conductivity (from 2.2 to 41 mS/cm) . Both likely contributed to the enhanced capacity (ca.…”

Section: Emerging Pseudocapacitive Materials and Design Strategiesmentioning

confidence: 99%

“…For example, vanadate nanofibers synthesized with poly(3,4-ethylene dioxythiophene) (PEDOT) in the interlayers had an increased interlayer spacing (from 8.9 to10.2 Å) and electronic conductivity (from 2.2 to 41 mS/cm). 259 Both likely contributed to the enhanced capacity (ca. 4× larger than pristine V 2 O 5 with 9 s charge/discharge) and highly reversible cyclic voltammograms from 3−100 mV/s when cycled in a pH-neutral aqueous electrolyte.…”

Section: Metal−organic Framework and Related Materialsmentioning

confidence: 99%

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Pseudocapacitance: From Fundamental Understanding to High Power Energy Storage Materials

et al. 2020

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There is an urgent global need for electrochemical energy storage that includes materials that can provide simultaneous high power and high energy density. One strategy to achieve this goal is with pseudocapacitive materials that take advantage of reversible surface or near-surface Faradaic reactions to store charge. This allows them to surpass the capacity limitations of electrical double-layer capacitors and the mass transfer limitations of batteries. The past decade has seen tremendous growth in the understanding of pseudocapacitance as well as materials that exhibit this phenomenon. The purpose of this Review is to examine the fundamental development of the concept of pseudocapacitance and how it came to prominence in electrochemical energy storage as well as to describe new classes of materials whose electrochemical energy storage behavior can be described as pseudocapacitive.

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Section: Emerging Pseudocapacitive Materials and Design Strategiesmentioning

confidence: 99%

Section: Emerging Pseudocapacitive Materials and Design Strategiesmentioning

confidence: 99%

Section: Metal−organic Framework and Related Materialsmentioning

confidence: 99%

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Pseudocapacitance: From Fundamental Understanding to High Power Energy Storage Materials

et al. 2020

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“…For example, Lee and co‐workers reported poly (3,4‐ethylene dioxythiophene)‐intercalated ammonium vanadate nanofiber (S‐EAVNF) composites for supercapacitor application where the intercalated poly (3,4‐ethylene dioxythiophene) not only provide a larger interplanar spacing but also offer higher electrical conductivity. [ 122 ] The electrochemical properties of different electrodes were first evaluated by CV in 2 m aqueous KCl electrolyte, as shown in Figure 11d. As it was observed in the figure, the S‐EAVNF electrode demonstrates a pair of redox peaks with a higher peak current, indicating the larger specific capacitance.…”

Section: Types Of Intercalation Compounds and Their Applicationmentioning

confidence: 99%

Regulating Intercalation of Layered Compounds for Electrochemical Energy Storage and Electrocatalysis

Yang

Tamirat

Bin

et al. 2021

Adv Funct Materials

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Layered materials have received extensive attention for widespread applications such as energy storage and conversion, catalysis, and ion transport owing to their fast ion diffusion, exfoliative feature, superior mechanical flexibility, tunable bandgap structure, etc. The presence of large interlayer space between each layer enhances intercalation of the guest ion or molecule, which is beneficial for fast ion diffusion and charge transport along the channels. This intercalation reaction of layered compounds with guest species results in material with improved mechanical and electronic properties for efficient energy storage and conversion, catalysis, ion transport, and other applications. This review extensively discusses the intercalation of guest ionic or molecular species into layered materials used for various types of applications. It assesses the intercalation strategies, mechanism of ionic or molecular intercalation reactions, and highlights recent advancements. The electrochemical performances of several typical intercalated materials in batteries, supercapacitors, and electrocatalytic systems have been thoroughly discussed. Moreover, the challenges in the design and intercalation of layered materials, as well as prospects of future development are highlighted.

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“…AVNF and E‐AVNF were synthesized by the facile sonochemical method according to our previous work. [ 47 ] To synthesize AVNF, 0.4 g of V 2 O 5 (2.2 mmol) and 0.2 g of APS (0.88 mmol) were dissolved in 100 mL of deionized (DI) water, followed by ultrasonication for 30 min. Ultrasonication was conducted with a Vibracell VC505 (Sonics & Materials, USA) equipped with a titanium alloy tip (13 mm diameter).…”

Section: Methodsmentioning

confidence: 99%

Controlling Vanadate Nanofiber Interlayer via Intercalation with Conducting Polymers: Cathode Material Design for Rechargeable Aqueous Zinc Ion Batteries

Kim

Lee

Park

et al. 2021

Adv Funct Materials

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Aqueous zinc ion batteries (ZIBs) are promising energy storage devices due to the high ionic conductivity of the aqueous electrolyte as well as the safety, eco‐friendliness, and low cost. Vanadium oxide‐based materials are attractive cathode materials for aqueous ZIBs because of their high capacity from their layered structure and multiple valences. However, it is difficult to achieve high cycle stability and rate capability due to the low electrical conductivity and trapping of diffused electrolyte cations within the crystal structure, limiting the commercialization of aqueous ZIBs. In this study, the authors propose a facile sonochemical method for controlling the interlayer of the vanadate nanofiber crystal structure using poly(3,4‐ethylene dioxythiophene) (PEDOT) to overcome the shortcomings of vanadium oxide‐based materials. In addition, the electrochemical correlation between the interplanar distance of the expanded vanadate layers by the insertion of PEDOT and the behavior of Zn2+ ions is investigated. As a result, the intercalation of the conducting polymer increases the electron pathway and extends the distance of the vanadate layers, which helps to increase the number of active sites inside the vanadate and accelerate the zinc ion intercalation/de‐intercalation process. Their findings may guide research on the next generation of ZIBs that can replace lithium ion batteries.

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Synthesis of conducting polymer-intercalated vanadate nanofiber composites using a sonochemical method for high performance pseudocapacitor applications

Cited by 38 publications

References 45 publications

Pseudocapacitance: From Fundamental Understanding to High Power Energy Storage Materials

Pseudocapacitance: From Fundamental Understanding to High Power Energy Storage Materials

Regulating Intercalation of Layered Compounds for Electrochemical Energy Storage and Electrocatalysis

Controlling Vanadate Nanofiber Interlayer via Intercalation with Conducting Polymers: Cathode Material Design for Rechargeable Aqueous Zinc Ion Batteries

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