Unraveling the electrochemical properties and charge storage mechanisms of lactobacillus-mediated synthesized RGO-titanium silver nanocomposite as a promising binder-free electrode for asymmetric supercapacitor device

Shoeb, Mohd; Mashkoor, Fouzia; Khan, Mohammad Naved; Anwer, Abdul Hakeem; Ahmad, Sarfaraz; Yi, Hoon; Jeong, Changyoon

doi:10.1016/j.jallcom.2023.171188

Cited by 14 publications

(3 citation statements)

References 61 publications

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“…For a detail understanding of energy storage mechanism Zn x Co 1-x S/rGO (1:1), electrode was subjected to CV study at different scan rate. The peak current (i) and the scan rate (υ) obey the relation [45][46][47][48][49][50] i ¼ aϑ b (6) where a and b are two empirical parameters. The parameter b, which also indicates the reaction kinetics, may be expressed as…”

Section: Electrochemical Analysismentioning

confidence: 99%

“…For a detail understanding of energy storage mechanism Zn x Co 1– x S/rGO (1:1), electrode was subjected to CV study at different scan rate. The peak current ( i ) and the scan rate ( υ ) obey the relation [ 45–50 ]

i = a \left(\vartheta\right)^{b}

where a and b are two empirical parameters. The parameter b , which also indicates the reaction kinetics, may be expressed as

$$b \textrm{ } = \textrm{ } \frac{l o g_{i \text{ }} - \textrm{ } l o g_{a}}{l o g_{\vartheta}} \textrm{ } = \textrm{ } \frac{l o g_{i}}{l o g_{\vartheta}} - \textrm{ } l o g_{\vartheta} a \textrm{ } \left(\right.

…”

Section: Electrochemical Analysismentioning

confidence: 99%

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Zinc Cobalt Sulfide/Reduced Graphene Oxide Nanocomposite for High‐Performance Asymmetric Supercapacitor: A Microwave‐Assisted Synthesis

Konwar,

Singh,

Borthakur

2024

Energy Tech

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In this work, the microwave‐assisted synthesis of ZnxCo1–xS/reduced graphene oxide (rGO) nanocomposite and the evaluation of its electrochemical properties for supercapacitor (SC) application are dealt with. The synergistic effect between ZnxCo1–xS and rGO along with the conducting network provided by rGO facilitates the conducive movement of ions and enhances the electrochemical performance of the nanocomposite. The stoichiometric ratio of Zn:Co:rGO plays a crucial role in the SC behavior of the material. In three electrode systems, a material shows a high specific capacitance of 1094 F g−1 at current density 1 A g−1. The material stores charge both diffusively as well as capacitively. An asymmetric SC with acetylene black as the negative electrode and ZnxCo1–xS/rGO as the positive electrode has a stable potential window 0–1.6 V. For the fabrication of the electrodes, Ni foam is used as the current collector. The energy density and power density of the SC are found to be 32.71 and 431.95 W kg−1, respectively. The Coulombic efficiency of the SC is found to be 107% while its capacitance retention is 86% after 10 000 galvanostatic charge–discharge cycles. The energy and power density of the SC are comparatively higher than many recently reported literature. The material exhibits superior electrochemical stability and reversibility and can be a suitable electrode material for SCs.

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Section: Electrochemical Analysismentioning

confidence: 99%

i = a \left(\vartheta\right)^{b}

where a and b are two empirical parameters. The parameter b , which also indicates the reaction kinetics, may be expressed as

$$b \textrm{ } = \textrm{ } \frac{l o g_{i \text{ }} - \textrm{ } l o g_{a}}{l o g_{\vartheta}} \textrm{ } = \textrm{ } \frac{l o g_{i}}{l o g_{\vartheta}} - \textrm{ } l o g_{\vartheta} a \textrm{ } \left(\right.

…”

Section: Electrochemical Analysismentioning

confidence: 99%

Zinc Cobalt Sulfide/Reduced Graphene Oxide Nanocomposite for High‐Performance Asymmetric Supercapacitor: A Microwave‐Assisted Synthesis

Konwar,

Singh,

Borthakur

2024

Energy Tech

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show abstract

“…17 The electrochemical behavior of Mn 2 O 3 combined with Co 3 O 4 was analysed by Shoeb et al . 18 The synergetic effect of calcium-doped manganese oxide with biomass-derived carbon would play an excellent role in enhancing the electrochemical performance of MnO 2 -based supercapacitors.…”

Section: Introductionmentioning

confidence: 99%

Enhancing supercapacitive performance: integration of bio-mass-derived carbon into a CaMn₃O₆ nanocomposite

Rajkumar,

Thirumal,

Iyer

et al. 2023

New J. Chem.

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Effect of mass loading and fabrication of VARTM-based high-performance solid-state supercapacitor device with MXene-NiCo3S4 nanocomposite

Shoeb,

Mashkoor,

Khan

et al. 2024

Journal of Energy Storage

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Unraveling the electrochemical properties and charge storage mechanisms of lactobacillus-mediated synthesized RGO-titanium silver nanocomposite as a promising binder-free electrode for asymmetric supercapacitor device

Cited by 14 publications

References 61 publications

Zinc Cobalt Sulfide/Reduced Graphene Oxide Nanocomposite for High‐Performance Asymmetric Supercapacitor: A Microwave‐Assisted Synthesis

Zinc Cobalt Sulfide/Reduced Graphene Oxide Nanocomposite for High‐Performance Asymmetric Supercapacitor: A Microwave‐Assisted Synthesis

Enhancing supercapacitive performance: integration of bio-mass-derived carbon into a CaMn₃O₆ nanocomposite

Effect of mass loading and fabrication of VARTM-based high-performance solid-state supercapacitor device with MXene-NiCo3S4 nanocomposite

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Unraveling the electrochemical properties and charge storage mechanisms of lactobacillus-mediated synthesized RGO-titanium silver nanocomposite as a promising binder-free electrode for asymmetric supercapacitor device

Cited by 14 publications

References 61 publications

Zinc Cobalt Sulfide/Reduced Graphene Oxide Nanocomposite for High‐Performance Asymmetric Supercapacitor: A Microwave‐Assisted Synthesis

Zinc Cobalt Sulfide/Reduced Graphene Oxide Nanocomposite for High‐Performance Asymmetric Supercapacitor: A Microwave‐Assisted Synthesis

Enhancing supercapacitive performance: integration of bio-mass-derived carbon into a CaMn3O6 nanocomposite

Effect of mass loading and fabrication of VARTM-based high-performance solid-state supercapacitor device with MXene-NiCo3S4 nanocomposite

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Enhancing supercapacitive performance: integration of bio-mass-derived carbon into a CaMn₃O₆ nanocomposite