Synthesis and Characterization of Nanomaterials for Application in Cost-Effective Electrochemical Devices

Sustainability, Год журнала: 2023, Номер 15(14), С. 10891 - 10891

Опубликована: Июль 11, 2023

Nanomaterials have gained significant attention as a remarkable class of materials due to their unique properties and the fact that they encompass wide range samples with at least one dimension ranging from 1 100 nm. The deliberate design nanoparticles enables achievement extremely large surface areas. In field cost-effective electrochemical devices for energy storage conversion applications, nanomaterials emerged key area research. Their exceptional physical chemical led extensive investigations aimed improving performance cost-effectiveness devices, including batteries, supercapacitors, fuel cells. continuous development enhancement these high-performance are driven by demand enhanced productivity, connectivity, sustainability reduced cost. This review focuses on electrodes, storage, sensors (ES) based nanotechnology. It discusses application nanotechnology in electrochemistry water purification fate substances water, while also introducing green cost-effective, high-fidelity product creation through methods. study emphasizes synthesis novel nanomaterials, such metal–organic frameworks (MOFs), covalent organic (COFs), MXenes, applications devices. Furthermore, it explores integration nanostructures systems economically future along challenges faced nanotechnology-based industries. paper interplay between biosensors, which play vital role Overall, this provides comprehensive overview significance conversion. highlights need further research rapidly evolving serves valuable resource researchers engineers interested latest advancements

Язык: Английский

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Emerging two-dimensional nanostructured manganese-based materials for electrochemical energy storage: recent advances, mechanisms, challenges, and prospects

Journal of Materials Chemistry A, Год журнала: 2022, Номер 10(40), С. 21197 - 21250

Опубликована: Янв. 1, 2022

The review summarizes the progress of emerging 2D manganese-based materials as advanced electrode for EES.

Язык: Английский

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Regulating the Oxygen Vacancy and Electronic Structure of NiCo Layered Double Hydroxides by Molybdenum Doping for High‐Power Hybrid Supercapacitors

Small, Год журнала: 2023, Номер 20(8)

Опубликована: Окт. 12, 2023

Abstract Amelioration of nickel‐cobalt layered double hydroxides (NiCo‐LDH) with a high specific theoretical capacitance is great desire for high‐power supercapacitors. Herein, molybdenum (Mo) doping strategy proposed to improve the charge‐storage performance NiCo‐LDH nanosheets growing on carbon cloth (CC) via rapid microwave process. The regulation electronic structure and oxygen vacancy LDH consolidated by density functional theory (DFT) calculation, which demonstrates that Mo narrows band gap, reduces formation energy hydroxyl vacancies, promotes ionic charge transfer as well electrolyte adsorption electrode surface. optimal Mo‐doped (MoNiCo‐LDH‐0.05/CC) has an amazing capacity 471.1 mA h g −1 at 1 A , excellent retention 84.8% 32 far superior NiCo‐LDH/CC (258.3 76.4%). constructed hybrid supercapacitor delivers 103.3 W kg power 750 retains cycle 85.2% after 5000 cycles. Two assembled devices in series can drive thirty LED lamps, revealing potential application prospect rationally synthesized MoNiCo‐LDH/CC energy‐storage material.

Язык: Английский

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Doping effect and oxygen vacancy engineering in nickel-manganese layered double hydroxides for high-performance supercapacitors

Nano Energy, Год журнала: 2024, Номер 126, С. 109690 - 109690

Опубликована: Апрель 30, 2024

Язык: Английский

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2D‐on‐2D Al‐Doped NiCo LDH Nanosheet Arrays for Fabricating High‐Energy‐Density, Wide Voltage Window, and Ultralong‐Lifespan Supercapacitors

Small, Год журнала: 2024, Номер unknown

Опубликована: Май 15, 2024

Abstract Battery‐type electrode materials with high capacity, wide potential windows, and good cyclic stability are crucial to breaking through energy storage limitations achieving density. Herein, a novel 2D‐on‐2D Al‐doped NiCo layered double hydroxide (NiCoAl x LDH) nanosheet arrays high‐mass‐loading grown on carbon cloth (CC) substrate via two‐step hydro/solvothermal deposition strategy, the effect of Al doping is employed modify behavior, hierarchical morphology, phase stability, multi‐metallic synergistic effect. The optimized NiCoAl 0.1 LDH exhibits capacities 5.43, 6.52, 7.25 C cm −2 (9.87, 10.88, 11.15 F ) under 0–0.55, 0–0.60, 0–0.65 V respectively, illustrating clearly importance window. differentiated strategy reduces leaching level 3+ cations in alkaline solutions, ensuring excellent performance (108% capacity retention after 40 000 cycles). as‐assembled LDH//activated (ACC) hybrid supercapacitor delivers 3.11 at 0–2.0 V, large density 0.84 mWh power 10.00 mW , ≈135% 150 cycles.

Язык: Английский

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NiFe-LDH/MoS₂/MXene Nanocomposites as an Electrode Material for Battery-Type Supercapacitors

ACS Applied Nano Materials, Год журнала: 2024, Номер 7(6), С. 5791 - 5801

Опубликована: Март 6, 2024

Rational design and structural engineering of the electrode material are essential for high-performance supercapacitors. In this study, we have designed a ternary nanocomposite NiFex/MM100–x, integrating NiFe-LDH, MoS2, MXene through two-step process, solvothermal followed by incipient wet impregnation method. The high capacity NiFe-LDH exceptional electrical conductivity MoS2 make NiFex/MM100–x composite potential battery-type supercapacitor. NiFe60/MM40 exhibited remarkable specific 349.49 mAh g–1 at 1 A g–1. hybrid supercapacitor device (NiFe60/MM40//MM) was constructed, assembling as positive MM negative counterpart, which delivered superior power density 800 W kg–1 an energy 58.66 Wh kg–1. NiFe60/MM40//MM revealed outstanding cyclic stability retaining 84% initial even after enduring 5000 cycles 10 above results explored 2D layered materials in storage applications.

Язык: Английский

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Electrochemical surface reconstruction of nickel cobalt pyrophosphate to Ni/Co-hydroxide-(oxy)hydroxide: an efficient and highly durable battery-type supercapacitor electrode material

Journal of Materials Chemistry A, Год журнала: 2024, Номер 12(7), С. 4086 - 4098

Опубликована: Янв. 1, 2024

Highly durable porous battery-type supercapacitor charge storage material derived through electrochemical surface reconstruction of nickel cobalt pyrophosphate.

Язык: Английский

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Exchanging interlayer anions in NiFe-LDHs nanosphere enables superior battery-type storage for high-rate aqueous hybrid supercapacitors

Journal of Materials Chemistry A, Год журнала: 2024, Номер 12(16), С. 9494 - 9507

Опубликована: Янв. 1, 2024

Owing to the remarkable adjustability of layers, layered double hydroxides (LDHs) can adopt superior conductivity and a charge-storage capacity.

Язык: Английский

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Biomass-derived carbon dots: synthesis, modification and application in batteries

Chemical Science, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Biomass-derived carbon dots (BCDs) have attracted considerable attention for their promising attributes, including low toxicity, excellent solubility, biocompatibility, and eco-friendliness. Their rich surface chemistry impressive photoluminescent properties sparked widespread research interest, particularly in areas such as sensing biomedicine. However, the potential applications of BCDs energy sector, especially electrochemical storage batteries, received scant review focus. This article systematically consolidates selection sources, synthesis methods, modification strategies, corresponding characterization techniques BCDs. Application strategies batteries are explored, with underlying connection between role structural being analyzed, providing comprehensive insights from to application. Furthermore, a preliminary discussion is initiated on current limitations material regulation design within research, avenues enhancement proposed.

Язык: Английский

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Nanoribbon-like NiCo2O4/reduced graphene oxide nanocomposite for high-performance hybrid supercapacitor

Journal of Alloys and Compounds, Год журнала: 2022, Номер 930, С. 167509 - 167509

Опубликована: Окт. 8, 2022

Язык: Английский

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