Articles with "asymmetric supercapacitor" as a keyword



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A Cobalt-Based Metal-Organic Framework Nanosheet as the Electrode for High-Performance Asymmetric Supercapacitor.

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Published in 2023 at "Advanced science"

DOI: 10.1002/advs.202207545

Abstract: Inspired by the significant advantages of the bottom-up synthesis whose structures and functionalities can be customized by the selection of molecular components, a 2D metal-organic framework (MOF) nanosheet Co-BTB-LB has been synthesized by a liquid-liquid… read more here.

Keywords: asymmetric supercapacitor; spectroscopy; microscopy; nanosheet ... See more keywords
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A π-Conjugated Polyimide-Based High-Performance Aqueous Potassium-Ion Asymmetric Supercapacitor.

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Published in 2022 at "Macromolecular rapid communications"

DOI: 10.1002/marc.202200040

Abstract: Aqueous asymmetric supercapacitor has captured widespread attention as a sustainable high-power energy resource. Organic electrode materials are appealing owing to their sustainability and high redox reactivity, but suffer from structural instability and low power density.… read more here.

Keywords: high performance; asymmetric supercapacitor; polyimide based; conjugated polyimide ... See more keywords
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Novel Ag configurations decorated CuO hybrid electrode for high-performance asymmetric supercapacitor

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Published in 2020 at "Journal of Materials Science"

DOI: 10.1007/s10853-020-04513-w

Abstract: In situ integration of highly conductive metals into transitional metal oxide electrodes with enabling fast electron transfer kinetics is a plausible technique for improving electrochemical performances of electrode materials. Herein, for the first time, we… read more here.

Keywords: asymmetric supercapacitor; hybrid electrode; novel configurations; cuo hybrid ... See more keywords
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High-performance asymmetric supercapacitor based on graphene-supported iron oxide and manganese sulfide

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Published in 2019 at "Ionics"

DOI: 10.1007/s11581-019-03061-x

Abstract: Energy density and power density are two key parameters of the supercapacitor. Selecting suitable positive electrode materials and negative electrode materials to construct asymmetric supercapacitor is an effective way to improve energy density. Here, a… read more here.

Keywords: rgo; asymmetric supercapacitor; density; rgo nanocomposites ... See more keywords
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Boosting the Energy Density of Flexible Asymmetric Supercapacitor with Three Dimensional Fe2O3 Composite Brush Anode

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Published in 2020 at "Chemical Research in Chinese Universities"

DOI: 10.1007/s40242-020-9052-6

Abstract: Flexible asymmetric supercapacitor is fabricated with three dimensional(3D) Fe2O3/Ni(OH)2 composite brush anode and Ni(OH)2/MoO2 honeycomb cathode. Particularly for 3D composite brush anode, a layer of thin Fe2O3 film is firmly adhered on a 3D Ni… read more here.

Keywords: energy; asymmetric supercapacitor; anode; composite brush ... See more keywords
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Mesoporous manganese oxide with large specific surface area for high-performance asymmetric supercapacitor with enhanced cycling stability

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Published in 2017 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2017.05.014

Abstract: Abstract Boosting the energy density of supercapacitors without sacrificing their power capability and cyclability is highly desired. Herein, we reported high-performance asymmetric supercapacitor device with high cycling stability using mesoporous manganese oxide nanococoons (MONCs) as… read more here.

Keywords: manganese oxide; asymmetric supercapacitor; mesoporous manganese; performance asymmetric ... See more keywords
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Wide potential window and high capacitance for flexible asymmetric supercapacitor based on Cu2Se nanobrush and hydrangea-like NiCo2O4 microspheres

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Published in 2018 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2018.08.045

Abstract: Abstract Flexible asymmetric supercapacitor (FAS) has recently attracted increasing interest due to an application potential in wearable device. However, its relatively lower potential and capacitance are still limited practical applications, owing to the challenges in… read more here.

Keywords: flexible asymmetric; asymmetric supercapacitor; cu2se nanobrush; potential window ... See more keywords
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Asymmetric supercapacitor based on carbon nanofibers as the anode and two-dimensional copper cobalt oxide nanosheets as the cathode

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Published in 2019 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2019.02.108

Abstract: Abstract This paper reports the fabrication of an ultra-high energy and power density asymmetric supercapacitor (ASC) containing a novel porous carbon nanofiber derived from hypercross-linked polymers (HCP-CNF) and two-dimensional copper cobalt oxide nanosheets (CCO-NS) as… read more here.

Keywords: hcp cnf; dimensional copper; copper cobalt; asymmetric supercapacitor ... See more keywords
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Ni-Al layered double hydroxide with regulated interlayer spacing as electrode for aqueous asymmetric supercapacitor

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Published in 2019 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2019.03.041

Abstract: Abstract Using sodium oleate as surfactant and intercalating agent, a regulated Ni-Al layered double hydroxide (NA-LDH-OA) nanosheets with a high interlayer space were prepared by two-phase method combined with a short reflux process and mild… read more here.

Keywords: aqueous asymmetric; layered double; double hydroxide; asymmetric supercapacitor ... See more keywords
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Porous waxberry-like MnO2/La2O3 microspheres for high performance asymmetric supercapacitor

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Published in 2017 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2017.04.175

Abstract: Abstract In this paper, porous waxberry-like microspheres structures of MnO 2 /La 2 O 3 (Mn-La) composites were synthesized via a facile two-pot hydrothermal method. The microstructure and chemical composition of as-prepared Mn-La composites were… read more here.

Keywords: waxberry like; porous waxberry; asymmetric supercapacitor; density ... See more keywords
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Robust cyclic stability and high-rate asymmetric supercapacitor based on orange peel-derived nitrogen-doped porous carbon and intercrossed interlinked urchin-like NiCo2O4@3DNF framework

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Published in 2019 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2018.08.157

Abstract: Abstract An aqueous potassium ion-based asymmetric supercapacitor has been successfully developed using nitrogen-doped porous carbon (NPC) derived from waste orange peel and sea urchin-like intercrossed and interconnected NiCo2O4 array on Ni foam for negative and… read more here.

Keywords: orange peel; asymmetric supercapacitor; urchin like;