Ultra High Electrical Performance of Nano Nickel Oxide and Polyaniline Composite Materials

Cai, Xiaomin; Cui, Xiuguo; Zu, Lei; Zhang, You; Gao, Xing; Lian, Huiqin; Liu, Yang; Wang, Xiaodong

doi:10.3390/polym9070288

Cited by 35 publications

(17 citation statements)

References 45 publications

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“…2) shows peaks around 38°, 44°, 63°, 75° and 79°. These peaks were assigned to nano-NiO by earlier workers [19,21]. The appearance of PANI peaks centered between 2θ=20°-30° [24] indicates that the PANI stains have adsorbed on the surface of nickel oxide [21].…”

Section: Xrd Analysis Of Pani and Nio-pani Compositementioning

confidence: 74%

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Nio-PANI Composite as Potential Inhibitor for Mild Steel in Acidic Corrosion Environment

P¹,

Sivakumar²,

Selvaraj³

2018

Int. J. Chem. Sci

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Corrosion, a spontaneous process of deterioration of metallic materials by the environment, reflect impact on economic losses and safeties. Apart from the natural commodities, human activities also initiate corrosion. Industrial maintenance work like acid descaling and acid pickling dissolves the machinery parts and reduces their life time. Inhibitors are widely employed for prophylactic action on metal parts [1-3]. The polar functional groups and π-electrons present in the organic inhibitors act as adsorption site for metal-inhibitor interaction [4-6]. The adsorption may be physical due to electrostatic force of attraction between the inhibitors and substrate surface or chemical ascribable to dispense of electrons among inhibitors and metal or both [7,8]. Conducting polymers have been studied extensively in the place of organic compounds owing to their stability and mechanical strength [9,10]. Polyaniline has been explored as good protective abettor against deterioration of metal [11-13]. Pseudocapacitive electrodes have been developed from various transition metal oxides including NiO [14]. Further nickel oxide is used in electrochromic coating [15], as a catalyst [16], as an adhesive in enamels [17] and as an anode layer in solid oxide fuel cells [18]. The above

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Section: Xrd Analysis Of Pani and Nio-pani Compositementioning

confidence: 74%

“…Characterization of NiO-PANI composite FTIR analysis: The FTIR spectrum of nickel oxide (FIG. 1a) contains peak around 470 cm -1 due to Ni-O stretching vibration and a broad peak around 3500 cm -1 due to -OH vibration of water molecule [21]. The absorption bands of PANI (FIG.…”

Section: Resultsmentioning

confidence: 97%

Nio-PANI Composite as Potential Inhibitor for Mild Steel in Acidic Corrosion Environment

P¹,

Sivakumar²,

Selvaraj³

2018

Int. J. Chem. Sci

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“…When the individual advantages of the transition-metal oxides and PANI materials are combined, the resultingc omposites provide synergistic performance as electrode materials. [1,[21][22][23] Ac ore-shell NiCo 2 O 4 @PANI nanorod array exhibited ah ighs pecific capacitance of 901 Fg À1 at 1Ag À1 and outstanding capacitance retention of approximately 91 %a fter 3000 cyclesa t1 0Ag À1 . [24] VO 2 @PANI coaxial nanobelts showedahighers pecific capacitance (246.0 Fg À1 at 0.5 Ag À1 )a nd al onger cycling lifespan (28.6 %, 1000 cycles).…”

Section: Introductionmentioning

confidence: 99%

“…Although transition‐metal oxides and PANI have been widely studied as supercapacitive materials, the use of the respective materials is limited due to their drawbacks, such as the low electronic conductivity of transition‐metal oxides and the poor cycle life of PANI. When the individual advantages of the transition‐metal oxides and PANI materials are combined, the resulting composites provide synergistic performance as electrode materials . A core–shell NiCo 2 O 4 @PANI nanorod array exhibited a high specific capacitance of 901 F g −1 at 1 A g −1 and outstanding capacitance retention of approximately 91 % after 3000 cycles at 10 A g −1 .…”

Section: Introductionmentioning

confidence: 99%

An Advanced NiCoFeO/Polyaniline Composite for High‐Performance Supercapacitors

Liu

Zeng

et al. 2019

Chemistry An Asian Journal

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To reduce the charge‐transfer resistance of supercapacitors and achieve faster reversible redox reactions, ternary Ni‐Co‐Fe layered double hydroxide was prepared by using the urea method and then calcined to give NiCoFe oxide (NiCoFeO). To enhance conductivity, a polyaniline (PANI) conductive layer was assembled on the surface of the NiCoFeO particles by in situ oxidative polymerization of aniline monomers. The as‐prepared NiCoFeO/PANI composite was successful employed as a supercapacitor electrode. It was found that the NiCoFeO/PANI composite displayed good cycling stability, with a capacity loss of only 29.54 % after 5000 cycles. Furthermore, the NiCoFeO/PANI composite also exhibited excellent supercapacitor performance, with a high specific capacity of 843 F g−1 at a current density of 2 A g−1, whereas NiCoFeO showed a specific capacity of only 478 F g−1. This result was attributed to the synergistic effect between NiCoFeO and PANI. The facile synthesis strategy and excellent electrochemical performance suggest that NiCoFeO/PANI is a promising economical electrode material for applications in supercapacitors.

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“…[12][13][14][15] Most of the previousw ork has focused on the introduction of KI speciesi nt he electrolyte. [16][17][18][19] However,i nt he present study,w eh ave investigated the effect of KI addition on the surface of printed graphene electrodes.…”

Section: Introductionmentioning

confidence: 99%

Design and Fabrication of Printed Paper‐Based Hybrid Micro‐Supercapacitor by using Graphene and Redox‐Active Electrolyte

et al. 2018

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Inspired by future needs of flexible, simple, and low-cost energy storage devices, smart graphene-based micro-supercapacitors on conventional Xerox paper substrates were developed. The use of redox-active species (iodine redox couple) was explored to further improve the paper device's performance. The device based on printed graphene paper itself already had a remarkable maximum volumetric capacitance of 29.6 mF cm (volume of whole device) at 6.5 mA cm . The performance of the hybrid electrode with redox-active potassium iodide at the graphene surface was tested. Remarkably, the hybrid device showed improved volumetric capacitance of 130 mF cm . The maximum energy density for a graphene+KI device in H SO electrolyte was estimated to be 0.026 mWh cm . Thus, this work offers a new simple, and lightweight micro-supercapacitor based on low-cost printed graphene paper, which will have great applications in portable electronics.

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Ultra High Electrical Performance of Nano Nickel Oxide and Polyaniline Composite Materials

Cited by 35 publications

References 45 publications

Nio-PANI Composite as Potential Inhibitor for Mild Steel in Acidic Corrosion Environment

Nio-PANI Composite as Potential Inhibitor for Mild Steel in Acidic Corrosion Environment

An Advanced NiCoFeO/Polyaniline Composite for High‐Performance Supercapacitors

Design and Fabrication of Printed Paper‐Based Hybrid Micro‐Supercapacitor by using Graphene and Redox‐Active Electrolyte

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