Enhanced electrochemical properties of Co3O4 with morphological hierarchy for energy storage application: A comparative study with different electrolytes

Chatterjee, Mahasweta; Sain, Sumanta; Roy, Atanu; Das, Sachindranath; Pradhan, S.K.

doi:10.1016/j.jpcs.2020.109733

Cited by 23 publications

(15 citation statements)

References 44 publications

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“…3b corresponds to the (220) and (311) phases of Co 3 O 4 with standard lattice spacing of 2.848 and 2.429Å, respectively. 50 The poly-crystalline nature of Co 3 O 4 is clearly revealed by the selected area electron diffraction (SAED) pattern shown in Fig. 3c.…”

Section: Resultsmentioning

confidence: 96%

“…The specific capacitance (Cs/F g −1 ) of the electrode materials was calculated from the GCD curves by eqn (2). 48–50 where I (A) represents the current density, Δ t (s) represents the discharge time, Δ V (V) represents the operating voltage and m (g) is the loading mass of the active material.…”

Section: Methodsmentioning

confidence: 99%

“…The specific capacitance (Cs/F g À1 ) of the electrode materials was calculated from the GCD curves by eqn (2). [48][49][50]…”

Section: Electrochemical Performance Measurementsmentioning

confidence: 99%

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N-Doped celery-based biomass carbon with tunable Co₃O₄ loading for enhanced-performance of solid-state supercapacitors

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Xie

et al. 2022

New J. Chem.

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Section: Resultsmentioning

confidence: 96%

Section: Methodsmentioning

confidence: 99%

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N-Doped celery-based biomass carbon with tunable Co₃O₄ loading for enhanced-performance of solid-state supercapacitors

Lin

Xie

et al. 2022

New J. Chem.

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“…The oxidation peak seems in the potential range of 0.1 to −0.1 V, whereas the reduction peak appears around 0.5 to 0.65 V, demonstrating the pseudocapacitive performance of the Co 3 O 4 electrode. The redox process can be described by two sequential reactions as 55,56 :

{Co}_{3} O_{4} + {OH}^{-} + H_{2} normalO \leftrightarrow 3CoOOH + e^{-},

CoOOH + {OH}^{-} \leftrightarrow {CoO}_{2} + H_{2} normalO + e^{-} .

…”

Section: Resultsmentioning

confidence: 99%

Superior energy‐power performance of N‐doped carbon nano‐onions‐based asymmetric and symmetric supercapacitor devices

Pallavolu

Neelima

Banerjee

et al. 2021

Intl J of Energy Research

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Summary Highly graphitic nitrogen‐doped carbon nano‐onions (N‐CNO) have attracted much attention in the field of energy storage device applications. Herein, we have synthesized N‐CNO by a simple flame pyrolysis method for symmetric and asymmetric (ASC) supercapacitor devices. The nitrogen doping is performed in‐situ during the pyrolysis of pyrrole. The synthesized N‐CNO has a high surface area of 49 m2 g−1 with 4 at% nitrogen content. The structural properties have confirmed the formation of graphitic N‐CNO with highly ordered concentric graphene layers with proper lattice spacing. The fabricated symmetric and asymmetric devices have shown high specific capacitance and excellent energy‐power performance. Especially, the ASC device shows a specific capacitance value 205 F g−1 with a high energy density (60 Wh kg−1) and power density (5.5 kW kg−1), leading to an increase in the power density by 260% for a mere 60% decrease in the energy density. In addition, both the novel symmetric and asymmetric devices have shown excellent capacity retention of 96% to 98% over 5000 cycles. The demonstrated results show the superior electrochemical performance of the active material, which indicates that the N‐rich‐CNOs can be used as a novel anode material in energy storage devices with high energy density and high power performance.

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“…The ultra-small size of nanomaterials shortens the electron/ion diffusion path, providing favorable transfer pathways [78]. Because the dimension and morphology of the materials play an important role in improving the electrochemical performance, increasingly more attention has been paid to the synthetic materials in micro and nano scale [80]. A variety of Co 3 O 4 nanomaterials have been synthesized, such as nanowires [81], nanofibers [82], nanoparticles [83,84], and nanosheets [85].…”

Section: Co 3 O 4 Nanomaterialsmentioning

confidence: 99%

Transition Metal Oxide Electrode Materials for Supercapacitors: A Review of Recent Developments

et al. 2021

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In the past decades, the energy consumption of nonrenewable fossil fuels has been increasing, which severely threatens human life. Thus, it is very urgent to develop renewable and reliable energy storage devices with features of environmental harmlessness and low cost. High power density, excellent cycle stability, and a fast charge/discharge process make supercapacitors a promising energy device. However, the energy density of supercapacitors is still less than that of ordinary batteries. As is known to all, the electrochemical performance of supercapacitors is largely dependent on electrode materials. In this review, we firstly introduced six typical transition metal oxides (TMOs) for supercapacitor electrodes, including RuO2, Co3O4, MnO2, ZnO, XCo2O4 (X = Mn, Cu, Ni), and AMoO4 (A = Co, Mn, Ni, Zn). Secondly, the problems of these TMOs in practical application are presented and the corresponding feasible solutions are clarified. Then, we summarize the latest developments of the six TMOs for supercapacitor electrodes. Finally, we discuss the developing trend of supercapacitors and give some recommendations for the future of supercapacitors.

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Enhanced electrochemical properties of Co3O4 with morphological hierarchy for energy storage application: A comparative study with different electrolytes

Cited by 23 publications

References 44 publications

N-Doped celery-based biomass carbon with tunable Co₃O₄ loading for enhanced-performance of solid-state supercapacitors

N-Doped celery-based biomass carbon with tunable Co₃O₄ loading for enhanced-performance of solid-state supercapacitors

Superior energy‐power performance of N‐doped carbon nano‐onions‐based asymmetric and symmetric supercapacitor devices

Transition Metal Oxide Electrode Materials for Supercapacitors: A Review of Recent Developments

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Enhanced electrochemical properties of Co3O4 with morphological hierarchy for energy storage application: A comparative study with different electrolytes

Cited by 23 publications

References 44 publications

N-Doped celery-based biomass carbon with tunable Co3O4 loading for enhanced-performance of solid-state supercapacitors

N-Doped celery-based biomass carbon with tunable Co3O4 loading for enhanced-performance of solid-state supercapacitors

Superior energy‐power performance of N‐doped carbon nano‐onions‐based asymmetric and symmetric supercapacitor devices

Transition Metal Oxide Electrode Materials for Supercapacitors: A Review of Recent Developments

Contact Info

Product

Resources

About

N-Doped celery-based biomass carbon with tunable Co₃O₄ loading for enhanced-performance of solid-state supercapacitors

N-Doped celery-based biomass carbon with tunable Co₃O₄ loading for enhanced-performance of solid-state supercapacitors