Polyaniline and its composites engineering: A class of multifunctional smart energy materials

Goswami, S. K.; Nandy, Suman; Fortunato, Elvira; Martins, Rodrigo

doi:10.1016/j.jssc.2022.123679

Cited by 66 publications

(27 citation statements)

References 315 publications

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“…The high-resolution N1s spectrum ( Figure 4 d) at 397.3 and 399.5 eV is assigned to pyridine-type nitrogen (=N-) and pyrrole-type nitrogen (-NH-). These results are in good agreement with the other characterizations [ 34 ].…”

Section: Resultssupporting

confidence: 93%

Nano-Silicon@Exfoliated Graphite/Pyrolytic Polyaniline Composite of a High-Performance Cathode for Lithium Storage

Zhu

Duan

et al. 2023

Materials

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In this paper, a Si@EG composite was prepared by liquid phase mixing and the elevated temperature solid phase method, while polyaniline was synthesized by the in situ chemical polymerization of aniline monomer to coat the surface of nano-silicon and exfoliated graphite composites (Si@EG). Pyrolytic polyaniline (p-PANI) coating prevents the agglomeration of silicon nanoparticles, forming a good conductive network that effectively alleviates the volume expansion effect of silicon electrodes. SEM, TEM, XRD, Raman, TGA and BET were used to observe the morphology and analyze the structure of the samples. The electrochemical properties of the materials were tested by the constant current charge discharge and cyclic voltammetry (CV) methods. The results show that Si@EG@p-PANI not only inhibits the agglomeration between silicon nanoparticles and forms a good conductive network but also uses the outermost layer of p-PANI carbon coating to effectively alleviate the volume expansion of silicon nanoparticles during cycling. Si@EG@p-PANI had a high initial specific capacity of 1491 mAh g−1 and still maintains 752 mAh g−1 after 100 cycles at 100 mA g−1, which shows that it possesses excellent electrochemical stability and reversibility.

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Section: Resultssupporting

confidence: 93%

Nano-Silicon@Exfoliated Graphite/Pyrolytic Polyaniline Composite of a High-Performance Cathode for Lithium Storage

Zhu

Duan

et al. 2023

Materials

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“…27,28 The advantage of this synthetic technique is its ability to control the desired parameters such as time, working temperature and solvent (acid dopant), which inuence the morphology of the synthesized polymer. 29 It should be noted that the choice of dopants used for the synthesis of this polymer results in a variation in its yield and electron transport dynamics, and consequently its conductivity (Fig. 3).…”

Section: Synthesis Mechanism Of Panimentioning

confidence: 99%

“…In contrast to the above-mentioned route, the plasma polymerization route is initiated via ionization/ excitement of the monomeric precursor, leading to the effective collision of monomeric molecules with a plasma-generated electron from the glow discharge of RF. 29 Furthermore, electroless polymerization is similar to the electrochemical process but its novelty is the use of an electrochemical set-up without the application of an external potential for the deposition of Askwar Hilonga holds a PhD in Chemical Engineering at Hanyang University, South Korea. He is currently a professor of Nanotechnology at the Nelson Mandela African Institution of Science and Technology since 2011 and holds over 19 years of teaching and research experience.…”

Section: Synthesis Mechanism Of Panimentioning

confidence: 99%

Functional impacts of polyaniline in composite matrix of photocatalysts: an instrumental overview

2023

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“…On the other hand, PANI has been one of the most extensively studied conductive polymeric electrode nanomaterials because of its variable oxidation state and outstanding doping and dedoping properties which contributes to the very high pseudocapacitance. PANI has been intensively investigated in recent years due to its low cost, ease of production, good environmental stability besides the unique doping/de‐doping property 14,15 . Thanks to all the aforementioned unique properties, both graphene and PANI have been widely used for electrode making in electrical devices and senso, as has been reported elsewhere 16–19 …”

Section: Introductionmentioning

confidence: 99%

“…PANI has been intensively investigated in recent years due to its low cost, ease of production, good environmental stability besides the unique doping/de-doping property. 14,15 Thanks to all the aforementioned unique properties, both graphene and PANI have been widely used for electrode making in electrical devices and senso, as has been reported elsewhere. [16][17][18][19] More interestingly, combining rGO and PANI produced nanocomposites with enhanced characteristics.…”

Section: Introductionmentioning

confidence: 99%

Shape‐controlled synthesis of polyaniline and its synergistic effect with reduced graphene oxide for the fabrication of flexible electrode

Khaw

Koh

Yeap

et al. 2023

Polymer Engineering & Sci

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Composite of reduced graphene oxide (rGO) and polyaniline (PANI) have gained much attention in industrial applications especially for the fabrication of supercapacitor and flexible sensors. Nevertheless, existing studies mainly focus on the application efficiency and are lacking information on how morphology of the nanoparticles can affect the electrode properties.Herein, the effects of shape of PANI on the electrode resistivity were systematically investigated. PANI of different shapes was synthesized using different reagents, namely H 2 SO 4 , CH 3 COOH, H 2 O, and NH 3 ÁH 2 O, which induced formation of globule, tube, plate, and flake-like PANI. rGO-PANI composite was then produced using ex situ method and cast on a PVC substrate to form a flexible electrode. The rGO-PANI globules displayed superior electrical conductivity owing to its high protonation level. The resistivity of this sample was found to be 0.015 ± 0.002 Ωcm, which is lowest as compared to the counterparts. Interestingly, electrode made of rGO-PANI plates had a slightly lower electrical resistivity than rGO-PANI tubes despite its low protonation level. It is speculate that the aspect ratio characteristic of the PANI might have influence the electron mobility. rGO-PANI electrode was found to exhibit a lower specific resistivity than pure rGO and pure PANI, evincing the presence of synergism.

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Polyaniline and its composites engineering: A class of multifunctional smart energy materials

Cited by 66 publications

References 315 publications

Nano-Silicon@Exfoliated Graphite/Pyrolytic Polyaniline Composite of a High-Performance Cathode for Lithium Storage

Nano-Silicon@Exfoliated Graphite/Pyrolytic Polyaniline Composite of a High-Performance Cathode for Lithium Storage

Functional impacts of polyaniline in composite matrix of photocatalysts: an instrumental overview

Shape‐controlled synthesis of polyaniline and its synergistic effect with reduced graphene oxide for the fabrication of flexible electrode

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