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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Properties of Electrode Materials and Electrolytes in Supercapacitor Technology

Journal of Chemistry and Environment, Год журнала: 2024, Номер unknown, С. 1 - 45

Опубликована: Фев. 22, 2024

This thorough review article offers a cutting-edge analysis of the essential characteristics and developments in electrode materials electrolytes for supercapacitor technology. We start by going over basics supercapacitors how important characterization methods like electrochemical impedance spectroscopy, galvanostatic charge-discharge, cyclic voltammetry work. Specific capacitance, energy, power densities, three that are crucial assessing performance, carefully covered this also analyze many kinds capacitors, including hybrid supercapacitors, electric double-layer pseudocapacitors, explain their working principles material-specific characteristics. The study highlights importance metal oxides hydroxides, carbon-based materials, conductive polymers, novel such as MXenes metal-organic frameworks. special qualities each material class, large surface area, electrical conductivity, particular redox properties, highlighted section. These maximizing performance supercapacitors. topic is discussed detail, benefits difficulties chances to improve energy storage, stability, affordability. Parallel this, thoroughly examines various electrolyte kinds, sometimes overlooked yet part Discussed include ionic operating voltage windows, safety profiles, stability aqueous, organic, liquid, gel, solid-state electrolytes. paper relationship between type, explaining selection affects total density, operational longevity. covers technology detail with wide scope an invaluable resource. It fundamental work scholars practitioners new area. sophisticated insights may encourage creativity application-specific advancement quickly changing field. presents comprehensive present future technology, establishing it vital resource continuous search storage solutions.

Язык: Английский

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A Review on Biomass-Derived Activated Carbon for Next-Generation Supercapacitors: Cutting-Edge Advances and Future Prospects

Energy & Fuels, Год журнала: 2025, Номер unknown

Опубликована: Янв. 23, 2025

Язык: Английский

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Activated carbon prepared by hydrothermal pretreatment-assisted chemical activation of date seeds for supercapacitor application

Inorganic Chemistry Communications, Год журнала: 2023, Номер 155, С. 111012 - 111012

Опубликована: Июль 1, 2023

Язык: Английский

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Performance optimization of the symmetric supercapacitors based on paddy straw-derived porous activated carbon

Journal of Energy Storage, Год журнала: 2023, Номер 79, С. 110167 - 110167

Опубликована: Дек. 20, 2023

The utilization of porous carbon material derived from sustainable, cost-effective, and renewable biomass for supercapacitor electrode applications has garnered significant attention in recent times. In this work, activated was synthesized via the carbonization paddy straw, succeeded by activation using different molarity levels (3 M to 6 M) activating agent. X-ray diffraction, fourier-transform infrared spectroscopy, N2 physisorption, field-emission scanning electron microscopy were employed characterize various parameters straw (ACP). process considerably increased specific surface area up 1358.087 m2 g−1 establishing a well-developed intercalated tunnelled morphology that promotes charge accumulation. electrochemical characteristics evaluated KOH electrolyte techniques such as cyclic voltammetry, galvanostatic charge-discharge tests, impedance spectroscopy. highest capacitance 396 F at current density 1 A obtained single ACP-5 M. At symmetric based device provided energy 38.8 Wh k power 604 W k−1. straw-derived demonstrates versatile potential an storage due its impressive properties, porosity, remarkable retentions 90.6 % following 10,000 cycles.

Язык: Английский

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Cobalt Oxide‐Based Electrocatalysts with Bifunctionality for High‐Performing Rechargeable Zinc‐Air Batteries

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

Опубликована: Авг. 31, 2023

Abstract In recent years, the rapid growth in renewable energy applications has created a significant demand for efficient storage solutions on large scale. Among various options, rechargeable zinc‐air batteries (ZABs) have emerged as an appealing choice green technology due to their higher density, sustainability, and cost‐effectiveness. Regarding this fact, spotlight is shaded air electrode constructing high‐performance ZABs. Cobalt oxide‐based electrocatalysts gained attention extraordinary features. Particularly, exploration integration of bifunctional behavior remarkably promoted both ORR OER facilitate overall performance battery. The plot review forwarded towards in‐depth analysis latest advancements that are based cobalt oxide possess properties along with introduction fundamental aspects ZABs, Additionally, topic entails examination morphological variations mechanistic details mentioning about synthesis processes. Finally, direction provided future research endeavors through addressing challenges prospects advancement next‐generation empower high‐performing ZABs oxide.

Язык: Английский

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CoFe₂O₄ nanoparticles as a bifunctional agent on activated porous carbon for battery-type asymmetrical supercapacitor

Chemical Synthesis, Год журнала: 2024, Номер 4(2)

Опубликована: Май 14, 2024

The low performance of electrode materials is the main obstacle limiting development supercapacitor industry, which can be solved by doping cobalt ferrate nanoparticles (NPs) with carbon materials. Herein, composites CoFe2O4 based on activated (AC) were successfully prepared using a one-step solvothermal method and subsequently applied in anodes battery-type asymmetrical supercapacitors. effect temperature heating time composite characteristic was systematically evaluated. electrochemical analysis three-electrode system revealed that modified heated at 140 °C for 24 h (140MAC24) displayed excellent specific capacitance 571.36 F/g current density 0.2 A/g due to synergistic double-layer faradic capacitance. Moreover, iron elements could change into oxide form accelerate charge potential range window -1.0 -0.2 V discharge from V, respectively. Meanwhile, result assessing economic feasibility suggested splendid availability 140MAC24 electrodes. Additionally, assembled outstanding 171.31 1.8 energy 43.5 Wh/kg A/g, retention rate 82.49% after 10,000 cycles. properties demonstrated used as bifunctional agent enhancing supercapacitive performance.

Язык: Английский

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Fabrication of ZnCr2O4/MnO2 composite electrodes by Sol gel Synthesis for Advanced Symmetric Supercapacitors

Ceramics International, Год журнала: 2024, Номер unknown

Опубликована: Сен. 1, 2024

Язык: Английский

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Preparation and electrochemical properties of high-performance activated carbon based on self-assembly of seaweed template

Diamond and Related Materials, Год журнала: 2025, Номер 152, С. 111960 - 111960

Опубликована: Янв. 8, 2025

Язык: Английский

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Enhanced capacitive performance and stability of on-chip micro-supercapacitor electrode films via TiN-Mo2N alloying and laminating strategies

Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 159594 - 159594

Опубликована: Янв. 1, 2025

Язык: Английский

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