Honeycomb carbon obtained from coal liquefaction residual asphaltene for high-performance supercapacitors in ionic and organic liquid-based electrolytes

Liu, Baolin; Wang, Xianglong; Chen, Yaoyao; Xie, Heping; Xi-nan, Zhao; Nassr, Abu Bakr Ahmed Amine; Li, Yizhao

doi:10.1016/j.est.2023.107826

Cited by 41 publications

(8 citation statements)

References 57 publications

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“…A diffusion-controlled phenomenon generally exists if the slope is 0.5, usually expressed in battery-type electrodes. If b is equal to 1, a charge storage dominant process is present, characteristic of a capacitive material . Herein, the slopes calculated for both anodic and cathodic peaks of CCO were found to be 0.87 and 0.84, i.e., mostly behaving as a capacitor-type material and indicating a hybrid capacitor behavior (Figure S6).…”

Section: Resultsmentioning

confidence: 88%

“…If b is equal to 1, a charge storage dominant process is present, characteristic of a capacitive material. 71 Herein, the slopes calculated for both anodic and cathodic peaks of CCO were found to be 0.87 and 0.84, i.e., mostly behaving as a capacitor-type material and indicating a hybrid capacitor behavior (Figure S6). From Figures 4f and S7, 22% area is covered by diffusion, i.e., a battery-type electrode material response, whereas 78% current density at 5 mV s −1 is achieved from capacitive current; therefore, pseudocapacitive response dominated the battery-type material.…”

Section: Characterization Techniquesmentioning

confidence: 92%

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Improved Electrochemical Performance of Aqueous Hybrid Supercapacitors Using CrCo₂O₄ Mesoporous Nanowires: An Innovative Strategy toward Sustainable Energy Devices

Ahmad,

Khan,

Javed

et al. 2024

ACS Appl. Mater. Interfaces

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High-rate aqueous hybrid supercapacitors (AHSCs) have attracted relevant scientific significance owing to their expected energy density, supercapacitor-level power density, and battery-level energy density. In this work, a bimetallic nanostructured material with chromium-incorporated cobalt oxide (CCO, i.e., CoCr 2 O 4 ) was prepared via a hydrothermal method to form a stable cubic obelisk structure. Compared with CCO materials prepared using traditional methods, CCO displayed a nanowire structure (50 nm diameter), suggesting an enhanced specific surface area and a large number of active sites for chemical reactions. The electrode possessed a high specific capacitance (2951 F g −1 ) at a current density of 1 A g −1 , minimum R ct (0.135 Ω), and the highest capacitance retention (98.7%), making it an ideal electrode material for AHSCs. Ex situ analysis based on X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) showed a favorable stability of CCO after 10,000 cycles without any phase changes being detected. GGA and GGA + U methods employed in density functional theory (DFT) also highlighted the enhanced metallic properties of CCO originating from the synergistic effect of semiconducting Cr 2 O 3 and Co 3 O 4 materials.

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Section: Resultsmentioning

confidence: 88%

Section: Characterization Techniquesmentioning

confidence: 92%

Improved Electrochemical Performance of Aqueous Hybrid Supercapacitors Using CrCo₂O₄ Mesoporous Nanowires: An Innovative Strategy toward Sustainable Energy Devices

Ahmad,

Khan,

Javed

et al. 2024

ACS Appl. Mater. Interfaces

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“…In ESSD, the metal oxide/sulfide-based materials for energy devices have acquired a lot of importance due to their porous nature and significant redox active sites [7][8][9][10]. Alsaiari et al designed a binary metallic sulfide electrode material and obtained remarkable Qs of 900 C/g.…”

Section: Introductionmentioning

confidence: 99%

Designing high-performance polyaniline @MoS₂@AC hybrid electrode for electrochemical–based Next-generation battery-supercapacitor hybrid energy storage device and hydrogen evolution reaction

Alsaiari,

Imran,

Afzal

et al. 2024

Phys. Scr.

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Polyaniline (PANI), a conducting polymer, has attracted the attention of researchers as a potential candidate due to its higher capacitance and outstanding electrochemical reversibility. In this research, we used the hydrothermal approach to synthesize MoS2@PANI hybrid electrode material that may overcome the low cyclic stability of PANI. The composite material MoS2/PANI (with M/P-25/75 wt%) demonstrated a specific capacity (Qs) with the amount 1087.5 C/g or 1812.5 F/g, much more advanced than reference samples due to the hybrid structural integrity and enhancement of the specific surface area of MoS2 and PANI interaction through electrostatic repulsion and hydrogen bonding. The asymmetric device (MoS2/PANI-25/75wt%//AC) demonstrated an extraordinary value of a Qs of 361 C/g over pure PANI. This novel supercapattery device showed a supreme high energy density of 65.33 Wh/kg and a power density of 1668.83 W/kg. Further, the hybrid electrode is used for the hydrogen evolution reactions and obtained the value of over potential is 43 mV. A small value of the Tafel slope of 39 mV/dec is observed with high stability. The improved energy storage capabilities of MoS2/PANI hybrid electrodes with multiple applications provide a new paragon to design unusual and fast multi-functional devices.

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“…The battery has received considerable interest in research because of its notable attributes, including its potential for efficient energy dissipation, volumetric factors, and storage possibilities [5,6]. Nevertheless, today's technology still faces various limitations, including inadequate power densities and cycling stabilities, which are related to the presence of complicated imperfections that affect the electrochemical volumetric processes [7,8]. In recent studies, it has been expected that supercapacitors offer significant potential as a promising electrochemical energy storage solution.…”

Section: Introductionmentioning

confidence: 99%

High-performance rGO@CNTs@AgNbS nanocomposite electrode material for hybrid supercapacitor and electrochemical glucose sensor

Yasmeen,

Imran,

Akram

et al. 2024

Phys. Scr.

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Due to its outstanding ability to store energy, the hybrid energy storage system known as the supercapattery has attained a lot of attention. These devices give extraordinary power and energy densities than supercapacitors and batteries. In this research, a hydrothermal method is used to synthesize a composite material with equal amounts of both components (a 50/50 weight ratio) of silver niobium sulfide and doped with rGO@CNT. Its potential is evaluated using a variety of electrochemical investigations, including galvanostatic charge-discharge and cyclic voltammetry measurements. The rGO@CNT@AgNbS is considered the most attractive material for electrodes based on the electrochemical analysis results, with a specific capacity of 2750 C/g. Additional investigations, including cyclic voltammetry (CV), galvanostatic charge-discharge (GCD), XRD, SEM, and a 15000-cycle stability test, are carried out to better understand this asymmetric device. The device displayed a significant energy density of 65 Wh/kg and a fantastic power density of 2229 W/kg. Besides, the composite devices are used as an electrochemical glucose sensor to detect glucose. The device showed an extraordinary sensitivity (greater than 95%) up to a small level of glucose. This study demonstrates the excellent achievement of composite rGO@CNT@AgNbS electrodes for supercapattery applications, with tremendous power and energy densities.

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Honeycomb carbon obtained from coal liquefaction residual asphaltene for high-performance supercapacitors in ionic and organic liquid-based electrolytes

Cited by 41 publications

References 57 publications

Improved Electrochemical Performance of Aqueous Hybrid Supercapacitors Using CrCo₂O₄ Mesoporous Nanowires: An Innovative Strategy toward Sustainable Energy Devices

Improved Electrochemical Performance of Aqueous Hybrid Supercapacitors Using CrCo₂O₄ Mesoporous Nanowires: An Innovative Strategy toward Sustainable Energy Devices

Designing high-performance polyaniline @MoS₂@AC hybrid electrode for electrochemical–based Next-generation battery-supercapacitor hybrid energy storage device and hydrogen evolution reaction

High-performance rGO@CNTs@AgNbS nanocomposite electrode material for hybrid supercapacitor and electrochemical glucose sensor

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Honeycomb carbon obtained from coal liquefaction residual asphaltene for high-performance supercapacitors in ionic and organic liquid-based electrolytes

Cited by 41 publications

References 57 publications

Improved Electrochemical Performance of Aqueous Hybrid Supercapacitors Using CrCo2O4 Mesoporous Nanowires: An Innovative Strategy toward Sustainable Energy Devices

Improved Electrochemical Performance of Aqueous Hybrid Supercapacitors Using CrCo2O4 Mesoporous Nanowires: An Innovative Strategy toward Sustainable Energy Devices

Designing high-performance polyaniline @MoS2@AC hybrid electrode for electrochemical–based Next-generation battery-supercapacitor hybrid energy storage device and hydrogen evolution reaction

High-performance rGO@CNTs@AgNbS nanocomposite electrode material for hybrid supercapacitor and electrochemical glucose sensor

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Product

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Improved Electrochemical Performance of Aqueous Hybrid Supercapacitors Using CrCo₂O₄ Mesoporous Nanowires: An Innovative Strategy toward Sustainable Energy Devices

Improved Electrochemical Performance of Aqueous Hybrid Supercapacitors Using CrCo₂O₄ Mesoporous Nanowires: An Innovative Strategy toward Sustainable Energy Devices

Designing high-performance polyaniline @MoS₂@AC hybrid electrode for electrochemical–based Next-generation battery-supercapacitor hybrid energy storage device and hydrogen evolution reaction