Preparation of Sulfur‐doped Carbon for Supercapacitor Applications: A Review

ChemSusChem, Год журнала: 2021, Номер 15(1)

Опубликована: Ноя. 8, 2021

Electrochemical capacitors, also known as supercapacitors (SCs), have lately played an important role in energy storage and conversion systems due to their specific characteristics such high strength, durability, environmental friendliness. A wide range of materials is used electrodes for SC applications because the electrochemical efficiency primarily determined by electrode used. Carbonaceous with unique surface, chemical, electrochemical, electronic become attractive research, but they cannot meet rising need power. Besides, heteroatom-doped carbon shown pseudocapacitance improved energy, power, conductivity. This makes them more adaptable application. Among different heteroatom doping carbon, S-doped has gained considerable attention its unpaired electrons easily polarizable nature. materials-based SCs demonstrated enhanced surface wettability, conductivity, induced effect, thereby delivering Many reports on been published, there no Review preparation applications. focuses recent developments field made from materials. Herein, methods were summarized following a brief discussion characterization techniques SCs. Finally, challenges potential prospects discussed give crucial insights into favorable factors future innovations electrodes. aims provide insight further research

Язык: Английский

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A Review of Supercapacitors: Materials Design, Modification, and Applications

Energies, Год журнала: 2021, Номер 14(22), С. 7779 - 7779

Опубликована: Ноя. 19, 2021

Supercapacitors (SCs) have received much interest due to their enhanced electrochemical performance, superior cycling life, excellent specific power, and fast charging–discharging rate. The energy density of SCs is comparable batteries; however, power cyclability are higher by several orders magnitude relative batteries, making them a flexible compromising storage alternative, provided proper design efficient materials used. This review emphasizes various types SCs, such as double-layer capacitors, hybrid supercapacitors, pseudo-supercapacitors. Furthermore, synthesis strategies, including sol-gel, electro-polymerization, hydrothermal, co-precipitation, chemical vapor deposition, direct coating, vacuum filtration, de-alloying, microwave auxiliary, in situ polymerization, electro-spinning, silar, carbonization, dipping, drying methods, discussed. functionalizations SC electrode summarized. In addition potential applications, brief insights into the recent advances associated problems provided, along with conclusions. noteworthy because its simplicity conciseness regard which can be helpful for researchers who not directly involved storage.

Язык: Английский

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Advanced Catalysts for Photoelectrochemical Water Splitting

ACS Applied Energy Materials, Год журнала: 2021, Номер 4(11), С. 12007 - 12031

Опубликована: Окт. 26, 2021

Photoelectrochemical (PEC) water splitting offers a sparkling and sustainable strategy for hydrogen generation, significant research enhancing the conversion efficiency of electrocatalysts is underway, since huge number publications have been reported in this field. Hence, it urgent to write comprehensive updated review order highlight latest progress design, fabrication, modification high-efficiency PEC splitting. In review, we describe basic mechanism utilizing detail. Further, highlighted recent advancements energy conversion. addition, catalysts' surface passivation, heterojunction constructions, defect engineering, photovoltage photocurrent enhancements are also highlighted.

Язык: Английский

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Present Status and Future Prospects of Jute in Nanotechnology: A Review

The Chemical Record, Год журнала: 2021, Номер 21(7), С. 1631 - 1665

Опубликована: Июнь 15, 2021

Abstract Nanotechnology has transformed the world with its diverse applications, ranging from industrial developments to impacting our daily lives. It multiple applications throughout financial sectors and enables development of facilitating scientific endeavors extensive commercial potentials. Nanomaterials, especially ones which have shown biomedical other health‐related properties, added new dimensions field nanotechnology. Recently, use bioresources in nanotechnology gained significant attention community due 100 % eco‐friendly features, availability, low costs. In this context, jute offers a considerable potential. Globally, plant produces second most common natural cellulose fibers large amount sticks as byproduct. The main chemical compositions sticks, trace ash content, are cellulose, hemicellulose, lignin. This makes an ideal source pure nanocellulose, nano‐lignin, nanocarbon preparation. also been used evolution nanomaterials various applications. addition, hemicellulose lignin, extractable could be utilized reductant/stabilizer for preparing nanomaterials. review highlights status prospects Different research areas can applied, such nanocellulose preparation, scaffolds nanomaterials, catalysis, carbon life sciences, coatings, polymers, energy storage, drug delivery, fertilizer electrochemistry, reductant, stabilizer synthesizing petroleum industry, paper polymeric nanocomposites, sensors, electronics, summarized detail. We hope that these will serve precursor jute‐based future.

Язык: Английский

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Perovskite-type lanthanum ferrite based photocatalysts: Preparation, properties, and applications

Journal of Energy Chemistry, Год журнала: 2021, Номер 66, С. 314 - 338

Опубликована: Авг. 16, 2021

Язык: Английский

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Recent Progress in the Synthesis and Applications of Composite Photocatalysts: A Critical Review

Small Methods, Год журнала: 2021, Номер 6(2)

Опубликована: Дек. 16, 2021

Photocatalysis is an advanced technique that transforms solar energy into sustainable fuels and oxidizes pollutants via the aid of semiconductor photocatalysts. The main scientific technological challenges for effective photocatalysis are stability, robustness, efficiency For practical applications, researchers trying to develop highly efficient stable Since literature scattered, it urgent write a critical review summarizes state-of-the-art progress in design variety composite photocatalysts environmental applications. Herein, comprehensive presented overview, history, mechanism, advantages, photocatalysis. Further, recent advancements heterostructure including alloy quantum dots based composites, carbon composites nanotubes, dots, graphitic nitride, graphene, covalent-organic frameworks metal carbides, halide perovskites, nitrides, oxides, phosphides, sulfides, metal-organic plasmonic materials single atom CO2 conversion, H2 evolution, oxidation discussed elaborately. Finally, perspectives further improvement provided.

Язык: Английский

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MXenes as Emerging Materials: Synthesis, Properties, and Applications

Molecules, Год журнала: 2022, Номер 27(15), С. 4909 - 4909

Опубликована: Авг. 1, 2022

Due to their unique layered microstructure, the presence of various functional groups at surface, earth abundance, and attractive electrical, optical, thermal properties, MXenes are considered promising candidates for solution energy- environmental-related problems. It is seen that energy conversion storage capacity can be enhanced by changing material dimensions, chemical composition, structure, surface chemistry. Hence, it also essential understand how one easily improve structure–property relationship from an applied point view. In current review, we reviewed fabrication, potential applications MXenes. addition, properties such as structural, thermal, chemical, mechanical have been discussed. Furthermore, in areas photocatalysis, electrocatalysis, nitrogen fixation, gas sensing, cancer therapy, supercapacitors outlooked. Based on reported works, could observed further applying modification functionalization approaches. This review emphasizes recent developments future perspectives MXenes-based composite materials, which will greatly help scientists working fields academia science.

Язык: Английский

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A review of metal-organic frameworks/graphitic carbon nitride composites for solar-driven green H2 production, CO2 reduction, and water purification

Journal of environmental chemical engineering, Год журнала: 2022, Номер 10(3), С. 107548 - 107548

Опубликована: Март 11, 2022

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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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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