Regulating the electrochemical activity of Fe-Mn-Cu-based layer oxides as cathode materials for high-performance Na-ion battery

Journal of Energy Chemistry, Journal Year: 2023, Volume and Issue: 80, P. 603 - 613

Published: Feb. 16, 2023

Language: Английский

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Cation-deficient T-Nb2O5/graphene Hybrids synthesized via chemical oxidative etching of MXene for advanced lithium-ion capacitors

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 468, P. 143507 - 143507

Published: May 17, 2023

Language: Английский

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Mechanically flexible reduced graphene oxide/carbon composite films for high-performance quasi-solid-state lithium-ion capacitors

Journal of Energy Chemistry, Journal Year: 2023, Volume and Issue: 80, P. 68 - 76

Published: Feb. 2, 2023

Language: Английский

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Metal–organic framework-derived CoSe2@N-doped carbon nanocubes for high-performance lithium-ion capacitors

Rare Metals, Journal Year: 2024, Volume and Issue: 43(5), P. 2150 - 2160

Published: Feb. 9, 2024

Language: Английский

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Recent advances in transition metal oxides as anode materials for high-performance lithium-ion capacitors

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 497, P. 154535 - 154535

Published: Aug. 3, 2024

Language: Английский

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Constructing Hierarchical CoGa₂O₄–S@NiCo-LDH Core–Shell Heterostructures with Crystalline/Amorphous/Crystalline Heterointerfaces for Flexible Asymmetric Supercapacitors

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(6), P. 6998 - 7013

Published: Jan. 31, 2024

The rational design and construction of composite electrodes are crucial for overcoming the issues poor working stability slow ionic electron mobility a single component. Nevertheless, it is big challenge to construct core–shell heterostructures with crystalline/amorphous/crystalline heterointerfaces in straightforward efficient methods. Here, we have successfully converted portion crystalline CoGa2O4 into amorphous phase by employing facile sulfidation process (denoted as CoGa2O4–S), followed anchoring NiCo-layered double hydroxide NiCo-LDH) nanoarrays onto hexagonal plates nucleation points CoGa2O4–S, synthesizing dual-type flower-like 3D CoGa2O4–S@NiCo-LDH on carbon cloth. Furthermore, further adjust Ni/Co ratio LDH, achieving precise controllable heterostructures. Benefiting from abundant synergistic effect among various components, CoGa2O4–S@Ni2Co1-LDH electrode exhibits specific capacity 247.8 mAh·g–1 at 1 A·g–1 good rate performance. A CoGa2O4–S@Ni2Co1-LDH//AC flexible asymmetric supercapacitor provides an energy density 58.2 Wh·kg–1 power 850 W·kg–1 impressive capacitance retention 105.7% after 10,000 cycles 10 A·g–1. Our research profound insights other similar

Language: Английский

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Review of Energy Storage Capacitor Technology

Batteries, Journal Year: 2024, Volume and Issue: 10(8), P. 271 - 271

Published: July 29, 2024

Capacitors exhibit exceptional power density, a vast operational temperature range, remarkable reliability, lightweight construction, and high efficiency, making them extensively utilized in the realm of energy storage. There exist two primary categories storage capacitors: dielectric capacitors supercapacitors. Dielectric encompass film capacitors, ceramic electrolytic whereas supercapacitors can be further categorized into double-layer pseudocapacitors, hybrid capacitors. These diverse principles performance characteristics, subsequently dictating their specific application scenarios. To make informed decisions selecting for practical applications, comprehensive knowledge structure is imperative. Consequently, this review delved structure, working principles, unique characteristics aforementioned aiming to clarify distinctions between supercapacitors, lithium-ion

Language: Английский

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Interface engineering of CoSe2/N-doped graphene heterostructure with ultrafast pseudocapacitive kinetics for high-performance lithium-ion capacitors

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 474, P. 145788 - 145788

Published: Sept. 3, 2023

Language: Английский

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Understanding the influence of crystal packing density on electrochemical energy storage materials

eScience, Journal Year: 2023, Volume and Issue: 4(1), P. 100158 - 100158

Published: June 29, 2023

Crystal structure determines electrochemical energy storage characteristics; this is the underlying logic of material design. To date, hundreds electrode materials have been developed to pursue superior performance. However, it remains a great challenge understand fundamental structure–performance relationship and achieve quantitative crystal design for efficient storage. In review, we introduce concept packing factor (PF), which can quantify density. We then present classify typical structures attractive cathode/anode materials. Comparative PF analyses different materials, including polymorphs, isomorphs, others, are performed clarify influence density on performance through electronic ionic conductivities. Notably, practical electronic/ionic conductivities based their intrinsic characteristics related yet also affected by extrinsic factors. The provides novel avenue understanding pristine may offer guidance designing better Additional approaches involve size regulation, doping, carbon additives, other methods. propose extended concepts charge transport behavior at scales. Finally, provide our insights major challenges prospective solutions in highly exciting field.

Language: Английский

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Synthesis of expanded graphite-based materials for application in lithium-based batteries

Journal of Energy Storage, Journal Year: 2023, Volume and Issue: 60, P. 106678 - 106678

Published: Jan. 30, 2023

Language: Английский

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