Cited by 329Supercapacitor Materials and FabricationMXene and MAX Phase MaterialsLayered Double Hydroxides Synthesis and Applications

The DOI matches its Crossref record; 56 of the 56 references it cites were found in a registry or an index.

Molecular-Level Heterostructures Assembled from Titanium Carbide MXene and Ni–Co–Al Layered Double-Hydroxide Nanosheets for All-Solid-State Flexible Asymmetric High-Energy Supercapacitors

Abstract

Unique layered Ti 3 C 2 /Ni–Co–Al layered double hydroxide (LDH) heterostructures alternatively stacked with molecular-level nanosheets are for the first time synthesized by a facile liquid-phase cofeeding and electrostatic attraction heteroassemble strategy between negatively charged Ti 3 C 2 and positively charged Ni–Co–Al-LDH nanosheets. The molecular-level Ti 3 C 2 /Ni–Co–Al-LDH heterostructures possessing the merits of both conductive and pseudocapacitive components can show greatly enhanced dynamic behavior in Faradaic reaction, which is significant for obtaining a high power density. Electrons penetrate in Ti 3 C 2 layers, while ions diffuse rapidly along two-dimensional galleries, displaying the shortest diffusion pathway and highest efficiency for charge transfer. The Ti 3 C 2 /Ni–Co–Al-LDH heterostructure exhibits a specific capacitance of 748.2 F g –1 at current density of 1 A g –1, showing an enhanced rate capacity. Importantly, a maximum energy density of 45.8 Wh kg –1 is obtained when Ti 3 C 2 /Ni–Co–Al-LDH acts as the positive electrode for an all-solid-state flexible asymmetric supercapacitor. The results indicate that molecular-level heterotructure is a promising candidate for future high-energy supercapacitors.

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Crossref · 10.1021/acsenergylett.7b01063

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Metadata

Authors
Zhao, R., Wang, M., Zhao, D., Li, H., Wang, C., & Yin, L.
Affiliations
Shandong University (CN)
Corresponding author
  • Wang, Chengxiang
  • Yin, Longwei
Venue
ACS Energy Letters
Published
2017-12-11
Volume
3
Issue
1
Pages
132-140
ISSN
2380-8195 (ISSN-L)
OpenAlex
W2775223600
Cited by
329
References
56
Citations by year
2026: 19 · 2025: 26 · 2024: 35 · 2023: 47 · 2022: 52 · 2021: 58 · 2020: 43 · 2019: 38 · 2018: 11
FWCI
8.56
Type
journal article
Language
en
Open access
closed
Locations
ACS Energy Letters (publishedVersion)
Funders
  • China Postdoctoral Science Foundation (2015M582088)
  • Shandong University
  • National Natural Science Foundation of China (51472148, 51532005, 51602181, 51272137)
  • Tai Shan Scholar Foundation
Topics
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Supercapacitor Materials and Fabrication
  • Physical Sciences › Materials Science › Materials Chemistry › MXene and MAX Phase Materials
  • Physical Sciences › Materials Science › Materials Chemistry › Layered Double Hydroxides Synthesis and Applications
Keywords
Ti3C2 MXene, heterostructures, nanosheets, all-solid-state supercapacitors, asymmetric supercapacitor, flexible energy storage, electrostatic self-assembly, pseudocapacitance, faradaic reactions, energy density, specific capacitance, ion diffusion

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