Synergistic multi-functional N-doped carbon Nanocage@CNT/ZnMn2O4/Ti3C2 MXene: Powering battery, supercapacitor, and catalyzing hydrogen evolution

International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: 66, P. 415 - 429

Published: April 15, 2024

Language: Английский

---

Revolutionizing energy: Vanadium pentoxide (V2O5) and molybdenum disulfide (MoS2) composite incorporated with GQDs as a dual-purpose material for supercapacitors and hydrogen evolution

Solid State Ionics, Journal Year: 2025, Volume and Issue: 421, P. 116784 - 116784

Published: Jan. 27, 2025

Language: Английский

---

Growth of AgCoS@CNTs composite on nickel foam to enrich the redox active sites for battery-supercapacitor hybrid energy storage device

Journal of Physics and Chemistry of Solids, Journal Year: 2023, Volume and Issue: 180, P. 111473 - 111473

Published: May 27, 2023

Language: Английский

---

Effect of Fe doping on the structural and electrochemical performance of Zn@CuO nanostructures for energy storage device

Solid State Ionics, Journal Year: 2023, Volume and Issue: 399, P. 116312 - 116312

Published: July 25, 2023

Language: Английский

---

Improving the Energy Storage of Supercapattery Devices through Electrolyte Optimization for Mg(NbAgS)x(SO4)y Electrode Materials

Molecules, Journal Year: 2023, Volume and Issue: 28(12), P. 4737 - 4737

Published: June 13, 2023

Electrolytes are one of the most influential aspects determining efficiency electrochemical supercapacitors. Therefore, in this paper, we investigate effect introducing co-solvents ester into ethylene carbonate (EC). The use (EC) as an electrolyte for supercapacitors improves conductivity, properties, and stability, allowing greater energy storage capacity increased device durability. We synthesized extremely thin nanosheets niobium silver sulfide using a hydrothermal process mixed them with magnesium sulfate different wt% ratios to produce Mg(NbAgS)x)(SO4)y. synergistic MgSO4 NbS2 density supercapattery. Multivalent ion Mg(NbAgS)x(SO4)y enables number ions. Mg(NbAgS)x)(SO4)y was directly deposited on nickel foam substrate simple innovative electrodeposition approach. provided maximum specific 2087 C/g at 2.0 A/g current because its substantial electrochemically active surface area linked nanosheet channels which aid transportation. supercapattery designed activated carbon (AC) achieved high 79 Wh/kg addition power 420 W/kg. (Mg(NbAgS)x)(SO4)y//AC) subjected 15,000 consecutive cycles. Coulombic 81% after cycles while retaining 78% retention. This study reveals that novel electrode material (Mg(NbAgS)x(SO4)y) ester-based electrolytes has great potential applications.

Language: Английский

---

“Enhancing energy storage capability of advanced redox-based supercapacitors through PANI incorporation into NiMnS matrix”

Materials Chemistry and Physics, Journal Year: 2023, Volume and Issue: 306, P. 128077 - 128077

Published: June 16, 2023

Language: Английский

---

A bimetallic Fe–Mg MOF with a dual role as an electrode in asymmetric supercapacitors and an efficient electrocatalyst for hydrogen evolution reaction (HER)

RSC Advances, Journal Year: 2023, Volume and Issue: 13(38), P. 26528 - 26543

Published: Jan. 1, 2023

A novel energy storage device that exhibits superior power and density compared to traditional supercapacitors batteries.

Language: Английский

---

Synergistic Co-MOF/ZnS Composite: Advancing Supercapattery Performance and Catalyzing Hydrogen Evolution Reaction

Energy & Fuels, Journal Year: 2024, Volume and Issue: 38(4), P. 3477 - 3490

Published: Jan. 31, 2024

Novel electrode development is crucial in the hunt for long-term energy storage options. In this work, we describe a promising advanced system with fabrication of cobalt metal organic framework doped zinc sulfide (Co-MOF/ZnS) as an and applied to hydrogen evolution reaction (HER) applications. The Brunauer–Emmett–Teller (BET) method showed 65.32 m2/g surface area Co-MOF/ZnS. Co-MOF/ZnS has outstanding capacity 1615 C/g three-electrode setup. Furthermore, when paired activated carbon (AC) supercapattery, device exhibits remarkable density 59.33 W h/kg power 812 W/kg. cycling stability Co-MOF/ZnS//AC supercapattery evaluated by subjecting it 10,000 cycles. test carried out shortly after test, retains 98% its original while maintaining high Coulombic efficiency 87%. HER overpotential 434 mV.

Language: Английский

---

Synthesis of Eco-Friendly Zn-Ni Bimetallic MOFs with Biodegradable Glycolic Acid Ligands for Enhanced Supercapacitor Performance and Hydrogen Evolution Reaction

Physica Scripta, Journal Year: 2024, Volume and Issue: 99(10), P. 105958 - 105958

Published: Aug. 28, 2024

Abstract Electrochemical technologies like supercapacitors and water-splitting electrolysis are gaining traction due to their impressive efficiency in both energy storage generation. A hydrothermal technique was employed synthesize a metal–organic framework (MOF) containing zinc nickel. Glycolic acid (GA), naturally occurring biodegradable ligand, utilized explore its potential for incorporation into the MOF heterostructure. The ZnNi-MOF (GA) composites showed notable specific capacity of 1648 C g −1 (2060 F/g) under current density 1.0 at 70 °C. study investigated supercapacitor system design where combination polyaniline-doped activated carbon used negative electrode zinc-nickel positive electrode. synthesized (GA)//AC device demonstrated 110 (55 F ) higher 2.0 . recyclability stability (ZnNi-MOF (GA)//AC) were evaluated using 10000 charge–discharge cycles, yielding an 86% retention. composite displayed outstanding catalytic ability hydrogen evolution reaction (HER) comparison other tested materials, achieving lowest Tafel slope 42.79 mV/dec. findings our research suggest that exhibits desirable characteristics make it promising material electrodes applications supercapattery HER.

Language: Английский

---

Synergistic performance of Ag-MOF@V2CTx composite for asymmetric supercapacitors and hydrogen evolution reaction

Journal of Physics and Chemistry of Solids, Journal Year: 2024, Volume and Issue: 193, P. 112151 - 112151

Published: June 15, 2024

Language: Английский

---