Biomass-derived porous carbon materials: synthesis, designing, and applications for supercapacitors

Green Chemistry, Journal Year: 2022, Volume and Issue: 24(10), P. 3864 - 3894

Published: Jan. 1, 2022

This paper shows a new classification of preparing biomass-based porous carbon materials. The design high-performance materials and their recent progress in the field supercapacitors are reviewed.

Language: Английский

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The Many Deaths of Supercapacitors: Degradation, Aging, and Performance Fading

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(29)

Published: June 16, 2023

Abstract High‐performance electrochemical applications have expedited the research in high‐power devices. As such, supercapacitors, including electrical double‐layer capacitors (EDLCs) and pseudocapacitors, gained significant attention due to their high power density, long cycle life, fast charging capabilities. Yet, no device lasts forever. It is essential understand mechanisms behind performance degradation aging so that these bottlenecks can be addressed tailored solutions developed. Herein, factors contributing of electrode materials, electrolytes, other aspects system, such as pore blocking, compositions, functional groups, corrosion current collectors are examined. The monitoring characterizing methods, situ, ex situ techniques explored. In addition, different types electrolytes materials effects from an industrial application standpoint analyzed. Next, how degradations electrolyte decompositions lead failure, composition, affect device's lifespan Finally, future directions challenges for reducing supercapacitors' degradation, developing new methods devices summarized.

Language: Английский

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3D Printed Supercapacitor: Techniques, Materials, Designs, and Applications

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 33(1)

Published: Nov. 1, 2022

Abstract Supercapacitors (SCs) offer broad possibilities in the rising domain of military and civilian owing to their intrinsic properties superior power density, long lifetime, safety features. Despite low‐cost, facile manufacture, time‐saving, 3D printing technology unleashes potential SCs terms achieving desirable capacitance with high mass loading, fabrication well‐designed complicated structures, direct construction on‐chip integration systems. In this review, first, representative technologies for advanced printable materials are scrutinized materials. Then structure design principles electrodes devices respectively highlighted reported cases systematically summarized. Next, configurations applications various areas described detail. Finally, promising research directions future discussed. The perspectives reviewed here expected provide a comprehensive understanding 3D‐printed guidance realizing promise applications.

Language: Английский

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Hierarchical Ni(OH)₂–MnO₂hollow spheres as an electrode material for high-performance supercapacitors

Inorganic Chemistry Frontiers, Journal Year: 2022, Volume and Issue: 9(14), P. 3542 - 3551

Published: Jan. 1, 2022

Hierarchical Ni(OH) 2 –MnO hollow spheres are prepared via a simple self-templating route. The structural and compositional advantages of the material endow it with remarkable performance as supercapacitor.

Language: Английский

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Tailoring of electrochemical properties on Nd-doped Ni3S2 electrode via doping strategy for supercapacitor application

Electrochimica Acta, Journal Year: 2023, Volume and Issue: 467, P. 143070 - 143070

Published: Aug. 22, 2023

Language: Английский

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Multicomponent Hybridization Transition Metal Oxide Electrode Enriched with Oxygen Vacancy for Ultralong‐Life Supercapacitor

Small, Journal Year: 2023, Volume and Issue: 19(41)

Published: June 8, 2023

Transition metal oxide electrode materials for supercapacitors suffer from poor electrical conductivity and stability, which are the research focus of energy storage field. Herein, multicomponent hybridization Ni-Cu (NCO-Ar/H2 -10) enriched with oxygen vacancy high including Cu0.2 Ni0.8 O, Cu2 O CuO is prepared by introducing Cu element into Ni hydrothermal, annealing, plasma treatment. The NCO-Ar/H2 -10 exhibits specific capacity (1524 F g-1 at 3 A ), good rate performance (72%) outstanding cyclic stability (109% after 40,000 cycles). -10//AC asymmetric supercapacitor (ASC) achieves density 48.6 Wh kg-1 799.6 W while exhibiting cycle life (117.5% 10,000 excellent electrochemical mainly comes round-trip valence change Cu+ /Cu2+ in enhance surface capacitance during redox process, electronic microstructure triggered a large number vacancies reduce adsorption OH- ions thin nanosheet crack edge, ensuring electron ion-transport processes remitting structural collapse material. This work provides new strategy improving cycling transition materials.

Language: Английский

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Cobalt phosphide/nickel–cobalt phosphide heterostructured hollow nanoflowers for high-performance supercapacitor and overall water splitting

Journal of Colloid and Interface Science, Journal Year: 2023, Volume and Issue: 653, P. 1272 - 1282

Published: Sept. 24, 2023

Language: Английский

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Synthesis and testing of polyaniline grafted functional magnetite (Fe3O4) nanoparticles and rGO based nanocomposites for supercapacitor application

Chemical Physics Letters, Journal Year: 2023, Volume and Issue: 814, P. 140334 - 140334

Published: Jan. 28, 2023

Language: Английский

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Development of an Amorphous Nickel Boride/Manganese Molybdate Heterostructure as an Efficient Electrode Material for a High-Performance Asymmetric Supercapacitor

ACS Applied Materials & Interfaces, Journal Year: 2023, Volume and Issue: 15(9), P. 11927 - 11939

Published: Feb. 22, 2023

The exploration of heterostructure materials with unique electronic properties is considered a desirable platform for fabricating electrode/surface interface relationships constructing asymmetric supercapacitors (ASCs) high energy density. In this work, based on amorphous nickel boride (NiXB) and crystalline square bar-like manganese molybdate (MnMoO4) was prepared by simple synthesis strategy. formation the NiXB/MnMoO4 hybrid confirmed powder X-ray diffraction (p-XRD), field emission scanning electron microscopy (FE-SEM), field-emission transmission (FE-TEM), Brunauer-Emmett-Teller (BET), Raman, photoelectron spectroscopy (XPS). system (NiXB/MnMoO4), intact combination NiXB MnMoO4 leads to large surface area open porous channels abundant crystalline/amorphous interfaces tunable structure. This shows specific capacitance (587.4 F g-1) at 1 A g-1, it even retains 442.2 g-1 10 indicating superior electrochemical performance. fabricated electrode also exhibited an excellent capacity retention 124.4% (10000 cycles) Coulombic efficiency 99.8% current density g-1. addition, ASC device (NiXB/MnMoO4//activated carbon) achieved 104 delivered 32.5 Wh.kg-1 power 750 W·kg-1. exceptional behavior due ordered architecture strong synergistic effect MnMoO4, which enhances accessibility adsorption OH- ions that improve transport. Moreover, NiXB/MnMoO4//AC exhibits cyclic stability 83.4% original after 10000 cycles, heterojunction layer between can wettability without causing structural changes. Our results show metal boride/molybdate-based new category high-performance promising material growth advanced storage devices.

Language: Английский

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Progress in flexible supercapacitors for wearable electronics using graphene-based organic frameworks

Journal of Energy Storage, Journal Year: 2024, Volume and Issue: 86, P. 111260 - 111260

Published: March 16, 2024

Language: Английский

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