Boron carbon nitride (BCN): an emerging two-dimensional nanomaterial for supercapacitors

Journal of Materials Chemistry A, Journal Year: 2023, Volume and Issue: 11(43), P. 23148 - 23187

Published: Jan. 1, 2023

This review describes the recent developments on synthesis methods and properties of boron carbon nitride (BCN). The supercapacitor electrode preparation testing BCN BCN-based hybrids/heterostructures/nanocomposites are also included.

Language: Английский

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Rapid Synthesis of Hierarchical Tin Disulfide (SnS₂) Nanostructures by a Microwave-Assisted Hydrothermal Method for High-Performance Supercapatteries

ACS Applied Electronic Materials, Journal Year: 2024, Volume and Issue: 6(5), P. 3346 - 3361

Published: April 18, 2024

Supercapatteries bridge the gap between supercapacitors and rechargeable batteries. These electrochemical energy storage devices possess a higher density than higher-power The charge mechanism in supercapattery is similar to that of batteries, i.e., mainly by means diffusion-controlled mechanisms. positrode negatrode should be designed such way achieve maximum performance. Transition metal sulfides are potential candidates as materials for supercapatteries. Herein, we report rapid synthesis flower-like tin disulfide (SnS2) nanostructures microwave-assisted hydrothermal method its application material By varying transition sulfur ratio, SnS2 nanostructure optimized large surface area porous architecture performance when used an electrode-active layered delivered specific capacity 165.6 C/g at scan rates 3 mV/s 2 M KOH (aqueous) electrolyte. electrode exhibits excellent cyclic stability more 5000 cycles. Further, with asymmetric fabricated activated carbon negatrode, device delivers 114.8 corresponding 23.9 Wh/kg tested two-electrode cell compartment using

Language: Английский

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An ammonium vanadate/MXene nanocomposite for high-performance ammonium ion storage

Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(14), P. 8244 - 8253

Published: Jan. 1, 2024

We developed an NH4V4O10-MXene (NVO@MX) nanocomposite as promising positive electrode for advanced ammonium ion hybrid capacitors.

Language: Английский

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Boron Carbon Nitride (BCN): An Emerging Two-Dimensional Material for Rechargeable Batteries

Energy & Fuels, Journal Year: 2024, Volume and Issue: 38(15), P. 13704 - 13721

Published: July 16, 2024

Boron carbon nitride (BCN) is a prominent ultrathin two-dimensional (2D) material that has received significant attention in the recent past. BCN possesses unique properties such as good electronic conductivity, layered 2D architecture, large surface area, chemical and electrochemical stabilities, etc. Rechargeable batteries, lithium-ion batteries (LIBs), have made technological revolution field of energy storage devices. Electrode materials with architectures are highly preferred for application rechargeable batteries. BCN-based electrodes potential candidates battery applications motivated us to write this review on an emerging electrode This discusses lack these literature. Initially, we discuss crystal structure BCN. Further, various available methods synthesize nanostructures hydrothermal methods, vapor deposition, pyrolysis, name few, discussed. Additionally, LIBs, Zn–air Li–O2 Li–sulfur etc., reviewed detail. The present proclaims development novel hierarchical next-generation In addition, it emphasizes difficulties uses systems future.

Language: Английский

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Synthesis and characterization of hierarchical Ti3C2Tx MXene/graphitic-carbon nitride/activated carbon@luffa sponge composite for enhanced water desalination

Open Ceramics, Journal Year: 2024, Volume and Issue: 19, P. 100645 - 100645

Published: July 20, 2024

In this study, advanced solar steam technologies are explored for their potential applications in seawater desalination and wastewater purification. We have developed a three-dimensional photothermal evaporator using MXene, luffa sponge (LS), graphitic-carbon nitride (GCN) activated carbon (AC). The hierarchical Ti3C2Tx MXene/GCN/AC@LS composite exhibits superior thermostability, pH stability, mechanical durability. having dimension of 1.25 cm displays excellent performance, leading to high evaporation rate 2.6 kg m−2h−1 solar-thermal conversion efficiency 96 % under 1 sun illumination. This is attributed the good light absorption by coupled with better wetting through internal microchannels LS, which envisages faster water delivery water. captures residual heat from sidewall surface as an additional source energy.

Language: Английский

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Recent advancements in carbon fiber-based sustainable electrodes for flexible and wearable supercapacitors

RSC Sustainability, Journal Year: 2024, Volume and Issue: 2(9), P. 2403 - 2443

Published: Jan. 1, 2024

Synthesis and characterizations of carbon fiber (CF)-based nanocomposite/hybrid electrodes for flexible supercapacitors are discussed. Furthermore, the electrochemical performance evaluations CF-based reviewed.

Language: Английский

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Breaking barriers in energy storage: 3D printed SiOC/Bi2O3 nanocomposites for high-performance asymmetric supercapacitors

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 159949 - 159949

Published: Jan. 1, 2025

Language: Английский

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Azopyridine as a Linker Molecule in Polyaniline-Grafted Graphene Oxide Nanocomposite Electrodes for Asymmetric Supercapacitors

ACS Applied Energy Materials, Journal Year: 2023, Volume and Issue: 6(20), P. 10442 - 10456

Published: Oct. 3, 2023

Electronically conducting polymers (ECPs)/carbon nanomaterial-based polyaniline electrodes have received great interest in the field of supercapacitors due to their high specific capacitance, good electronic conductivity, mechanical strength, chemical and electrochemical stabilities, etc. Among various available ECPs, they much importance excellent performances. Herein, we report a facile synthesis PANI-grafted graphene oxide (GO)-azopyridine (Azo) (PANI/GO-Azo) nanocomposite use it as for fabricating supercapacitors. The azo units present act spacer between PANI GO. interfacial polymerization method is adopted PANI/GO-Azo nanocomposites. electrode exhibits gravimetric capacitance 426 F g–1 at current density 0.25 A 1 M H2SO4 (aqueous) electrolyte. possesses cycling stability more than 5000 cycles with Coulombic efficiency 98.5%. An asymmetric supercapacitor fabricated positive activated carbon negative delivers an energy 12.45 W h kg–1 power 274.9 kg–1. This study proclaims that highly promising next-generation

Language: Английский

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Titanium Carbide MXenes Cocatalyst with Graphitic Carbon Nitride for Photocatalytic H₂ Production, CO₂ Reduction, and Reforming Applications: A Review on Fundamentals and Recent Advances

Energy & Fuels, Journal Year: 2023, Volume and Issue: 37(17), P. 12623 - 12664

Published: Aug. 15, 2023

Two-dimensional (2D) titanium carbide (Ti3C2) MXenes have gained increasing attention in photocatalytic applications due to their prominent electrical conductivity, optical properties, and abundant surface functional groups. The unique layered microstructure characteristics of Ti3C2 provide a large area, interlayer spacing, hydrophilic groups, contributing high efficiency. Graphitic carbon nitride is very promising among the semiconductors its structure higher reduction potential. present study discusses recent advances various structures coupled with g-C3N4 for hydrogen evolution reactions (HER), CO2 (CO2 RR), reforming methane RM). Initially, we an overview fundamental properties Ti3C2-based composites synthesis approaches, including development, group formation, etching agents. We further explore using different as binary ternary composite involvement other sensitizers. performance water splitting produce systems, conversion H2O, methanation, dry CH4 (DRM), bireforming (BRM), discussed detail. groups efficient electron transport pathways make them excellent candidates catalysts yield rates selectivity. Finally, this review provides valuable insights into potential composites, future research directions field are proposed.

Language: Английский

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Layered two-dimensional black phosphorous-based hybrid electrodes for rechargeable batteries

Journal of Energy Storage, Journal Year: 2023, Volume and Issue: 73, P. 109068 - 109068

Published: Oct. 14, 2023

Language: Английский

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