A review on biomass-derived activated carbon as electrode materials for energy storage supercapacitors

Journal of Energy Storage, Год журнала: 2022, Номер 55, С. 105839 - 105839

Опубликована: Окт. 12, 2022

Язык: Английский

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Advanced strategies in electrode engineering and nanomaterial modifications for supercapacitor performance enhancement: A comprehensive review

Journal of Energy Storage, Год журнала: 2023, Номер 79, С. 110152 - 110152

Опубликована: Дек. 27, 2023

Язык: Английский

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Iron-catalyzed graphitization for the synthesis of nanostructured graphitic carbons

Journal of Materials Chemistry A, Год журнала: 2022, Номер 10(9), С. 4489 - 4516

Опубликована: Янв. 1, 2022

This review summarizes the field of iron-catalyzed graphitization, which is a simple and flexible route to produce nanostructured graphitic carbons from wide range organic precursors.

Язык: Английский

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Boosting the Electrochemical Performance of Polyaniline by One-Step Electrochemical Deposition on Nickel Foam for High-Performance Asymmetric Supercapacitor

Polymers, Год журнала: 2022, Номер 14(2), С. 270 - 270

Опубликована: Янв. 10, 2022

Energy generation can be clean and sustainable if it is dependent on renewable resources prominently utilized stored efficiently. Recently, biomass-derived carbon polymers have been focused developing less hazardous eco-friendly electrodes for energy storage devices. We boosting the supercapacitor's ability by engineering efficient in this context. The well-known conductive polymer, polyaniline (PANI), deposited nickel foam (NF) used as a positive electrode, while activated derived from jute sticks (JAC) NF negative electrode. asymmetric supercapacitor (ASC) fabricated electrochemical studies found that device has exhibited an density of 24 µWh/cm2 at power 3571 µW/cm2. Furthermore, ASC PANI/NF//KOH//JAC/NF good stability with ~86% capacitance retention even after 1000 cycles. Thus, enhanced performances are congregated depositing PANI boosts electrode's conductivity. Such deposition patterns assured faster ions diffusion, higher surface area, ample electroactive sites better electrolyte interaction. Besides advancing technology, such work also encourages sustainability.

Язык: Английский

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Peat soil-derived silica doped porous graphitic carbon with high yield for high-performance all-solid-state symmetric supercapacitors

Journal of Energy Storage, Год журнала: 2022, Номер 50, С. 104278 - 104278

Опубликована: Фев. 26, 2022

Язык: Английский

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Sulfur nano-confinement in hierarchically porous jute derived activated carbon towards high-performance supercapacitor: Experimental and theoretical insights

Journal of Energy Storage, Год журнала: 2022, Номер 56, С. 105944 - 105944

Опубликована: Окт. 27, 2022

Язык: Английский

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Recent Progress in Carbonaceous and Redox‐Active Nanoarchitectures for Hybrid Supercapacitors: Performance Evaluation, Challenges, and Future Prospects

The Chemical Record, Год журнала: 2022, Номер 22(7)

Опубликована: Апрель 14, 2022

Abstract Due to advancements in technology, the energy demand is becoming more intense with time. The rapid fossil fuels consumption and environmental concerns triggered intensive research for alternative renewable resources, including sunlight wind. Yet, due their time‐dependent operations, significant electric storage systems are required store substantial energy. In this regard, electrochemical devices, like batteries supercapacitors (SCs), have recently attracted much attention. Recent developments SCs demonstrated that hybrid (HSCs), which combine excellent properties of SCs, increase specific energy, power, capacitance, life span. Carbonaceous redox‐active materials been explored as efficient electrode applications HSCs, ultimately enhancing performances. HSCs performance significantly depends on porosity, surface area, conductivity materials. This review article gives an overview recent advances developing high long cyclic‐life. fabrication various using carbonaceous nanoarchitectures characterization in‐depth, development, basic principles, device engineering. A proper investigation has conducted regarding state‐of‐the‐art HSC electrodes. focuses most up‐to‐date, cutting‐edge, performance. possibilities novel impact future also discussed.

Язык: Английский

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Recent Advancements in Electrochemical Deposition of Metal‐Based Electrode Materials for Electrochemical Supercapacitors

The Chemical Record, Год журнала: 2022, Номер 22(7)

Опубликована: Март 21, 2022

Abstract The demand for energy storage devices with high and power densities has increased tremendously in this rapidly growing world. Conventional capacitors, fuel cells, lithium‐ion batteries have been used as the long term. However, supercapacitors are one of most promising because their specific capacitance, density, longer cycle life. Recent research focused on synthesizing transition‐metal oxides/hydroxides, carbon materials, conducting polymers supercapacitor electrode materials. performance can be improved by altering electrolytes, current collectors, experimental temperatures, film thickness. Thousands papers already published, reflecting significance elucidating how much demanding such fast‐growing generation. This review aims to illustrate materials loaded various conductive substrates electrochemical deposition employed provide broad knowledge synthetic pathways, which will pave way future research. We also discussed basic parameters involved studies advantages techniques through literature analysis. Finally, trends directions exploring metals/metal composites toward designing constructing viable, high‐class, even newly featured flexible electrodes, systems presented.

Язык: Английский

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A High‐Energy Asymmetric Supercapacitor Based on Tomato‐Leaf‐Derived Hierarchical Porous Activated Carbon and Electrochemically Deposited Polyaniline Electrodes for Battery‐Free Heart‐Pulse‐Rate Monitoring

Small, Год журнала: 2023, Номер 19(33)

Опубликована: Апрель 24, 2023

A simple and scalable method to fabricate a novel high-energy asymmetric supercapacitor using tomato-leaf-derived hierarchical porous activated carbon (TAC) electrochemically deposited polyaniline (PANI) for battery-free heart-pulse-rate monitor is reported. In this study, TAC prepared by pyrolysis, exhibiting nanosheet-type morphology high specific surface area of ≈1440 m2 g-1 , PANI onto cloth. The TAC- PANI- based demonstrates an electrochemical performance superior that symmetric supercapacitors, delivering capacitance 248 mF cm-2 at current density 1.0 mA . developed shows energy 270 µWh power 1400 µW as well excellent cyclic stability ≈95% retention after 10 000 charging-discharging cycles while maintaining ≈98% Coulombic efficiency. Impressively, the series-connected supercapacitors can operate extremely efficiently upon solar-panel charging under regular laboratory illumination.

Язык: Английский

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Recent Progress in Polyaniline and its Composites for Supercapacitors

The Chemical Record, Год журнала: 2023, Номер 24(1)

Опубликована: Май 24, 2023

Abstract Polyaniline (PANI) has piqued the interest of nanotechnology researchers due to its potential as an electrode material for supercapacitors. Despite ease synthesis and ability be doped with a wide range materials, PANI′s poor mechanical properties have limited use in practical applications. To address this issue, investigated using PANI composites materials highly specific surface areas, active sites, porous architectures, high conductivity. The resulting composite improved energy storage performance, making them promising Here, we provide overview recent developments PANI‐based supercapacitors, focusing on electrochemically carbon redox‐active composites. We discuss challenges opportunities synthesizing supercapacitor Furthermore, theoretical insights into electrical their materials. need review stems from growing improve performance. By examining progress field, comprehensive current state‐of‐the‐art This adds value by highlighting associated utilizing composites, thereby guiding future research directions.

Язык: Английский

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