One-step synthesis of few-layer niobium carbide MXene as a promising anode material for high-rate lithium ion batteries

Zhao, Jiabao; Wen, Jing; Bai, Lina; Xiao, Junpeng; Zheng, Rudong; Shan, Xinyuan; Lü, Li; Gao, Hong; Zhang, Xitian

doi:10.1039/c9dt03260f

Cited by 51 publications

(18 citation statements)

References 38 publications

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“…In addition, Nb 2 CT x has good cycle stability, where after 800 cycles at a high current density of 1.0 Ag −1 , the specific capacity is stable at 225 mAh g −1 , indicating that Nb 2 CT x can be used as an anode material for LIBs [170]. Nano-NbC decorated N&P-codoped trichoderma spore carbon was synthesized and exhibited an ultra-high rate performance (810 mAhg −1 at 5 C) and good cycle stability (937.9 mAh g −1 at 0.1 C after 500 cycles) due to the high conductivity attributing to the synergistic effect [171].…”

Section: Energy Storagementioning

confidence: 99%

Recent Progress in Emerging Two-Dimensional Transition Metal Carbides

et al. 2021

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As a new member in two-dimensional materials family, transition metal carbides (TMCs) have many excellent properties, such as chemical stability, in-plane anisotropy, high conductivity and flexibility, and remarkable energy conversation efficiency, which predispose them for promising applications as transparent electrode, flexible electronics, broadband photodetectors and battery electrodes. However, up to now, their device applications are in the early stage, especially because their controllable synthesis is still a great challenge. This review systematically summarized the state-of-the-art research in this rapidly developing field with particular focus on structure, property, synthesis and applicability of TMCs. Finally, the current challenges and future perspectives are outlined for the application of 2D TMCs.

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Section: Energy Storagementioning

confidence: 99%

Recent Progress in Emerging Two-Dimensional Transition Metal Carbides

et al. 2021

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“…Because of their special physical and chemical properties, two-dimensional materials have been widely used as electrodes for lithium-ion batteries (LIBs), such as graphene, transition metal sulfides, and nitrides. , Recently, MXenes have broadened the range of 2D materials − and are considered as an emerging type of 2D transition metal carbides or nitrides, which can be obtained via removing A site atoms in MAX phases. − The general chemical formula of MXenes is usually written as M n +1 X n T x , where M is an early transition metal element, X consists of carbon or nitrogen element, and n = 1, 2, 3, 4. T x represents adsorbed functional groups at the surface during the preparation process, such as −F, −OH, and −O. − MXenes are endowed with certain excellent properties, − including superior conductivity, high mechanical properties and specific surface area, large interlayer spacing, low lithium-ion diffusion barrier, and abundant surface chemistry. , As a result, MXenes have been widely used in the fields of energy storage, , catalysis, , etc .…”

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confidence: 99%

Rational Design of Pillared SnS/Ti₃C₂T_x MXene for Superior Lithium-Ion Storage

et al. 2020

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MXenes have been widely explored in energy storage because of their extraordinary properties; however, the majority of research on their application was staged at multilayered MXenes or assisted by carbon materials. Scientifically speaking, the two most distinctive properties of MXenes are usually neglected, composed of large interlayer spacing and abundant surface chemistry, which distinguish MXenes from other two-dimensional materials. Herein, few-layered MXene (f-MXene) nanosheet powders can be easily prepared according to the modified solution-phase flocculation method, completely avoiding the restacking phenomenon of f-MXene nanosheets in preparation and oxidation issues during the storage process. Via further employing the solvothermal reaction and annealing treatment, we successfully constructed pillared SnS/Ti3C2T x composites decorated with in situ formed TiO2 nanoparticles. In the composites, MXenes can play the role of a conductive network, a buffer matrix for volume expansion of SnS, while the active SnS nanoplates can fully deliver the advantage of high capacity and further induce interlayer engineering of Ti3C2T x during cycling. As a result, the pillared SnS/Ti3C2T x MXene composites exhibit obvious improvement in electrochemical performance. Interestingly, there is an apparent enhancement of capacity at succedent cycling, which can be ascribed to the “pillar effect” of Ti3C2T x MXenes. The efforts and attempts made in this work can further broaden the development of pillared MXene composites.

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“…As shown in Figure 2a, in comparison with the structure of the Ti 3 AlC 2 powder before the HF treatment, the MXene synthesized by the HF treatment had a multilayer structure. In addition to this study, Nb 2 CT x MXene nanosheets with a thickness of a few layers have been developed through control of the etching time by HF [38]. For this, the Nb 2 AlC powder was selected as a MAX phase precursor, and the Nb 2 AlC powder was immersed into 40% HF acid aqueous solution.…”

Section: Definition Of Mxenesmentioning

confidence: 99%

Recent Advances in MXene Nanocomposite-Based Biosensors

et al. 2020

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The development of advanced biosensors with high sensitivity and selectivity is one of the most demanded concerns in the field of biosensors. To meet this requirement, up until now, numerous nanomaterials have been introduced to develop biosensors for achieving high sensitivity and selectivity. Among the latest nanomaterials attracting attention, MXene is one of the best materials for the development of biosensors because of its various superior properties. MXenes are two-dimensional inorganic compounds with few atomic layers that possess excellent characteristics including high conductivity and superior fluorescent, optical, and plasmonic properties. In this review, advanced biosensors developed on the basis of the MXene nanocomposite are discussed with the selective overview of recently reported studies. For this, introduction of the MXene including the definition, synthesis methods, and its properties are discussed. Next, MXene-based electrochemical biosensors and MXene-based fluorescent/optical biosensors are provided, which are developed on the basis of the exceptional properties of the MXene nanocomposite. This review will suggest the direction for use of the Mxene nanocomposite to develop advanced biosensors with high sensitivity and selectivity.

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One-step synthesis of few-layer niobium carbide MXene as a promising anode material for high-rate lithium ion batteries

Abstract: The successful one-step synthesis of few-layer Nb2CTx can facilitate its research and development in the fields of lithium ion batteries and related energy storage devices.

Cited by 51 publications

References 38 publications

Recent Progress in Emerging Two-Dimensional Transition Metal Carbides

Recent Progress in Emerging Two-Dimensional Transition Metal Carbides

Rational Design of Pillared SnS/Ti₃C₂T_x MXene for Superior Lithium-Ion Storage

Recent Advances in MXene Nanocomposite-Based Biosensors

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One-step synthesis of few-layer niobium carbide MXene as a promising anode material for high-rate lithium ion batteries

Abstract: The successful one-step synthesis of few-layer Nb2CTx can facilitate its research and development in the fields of lithium ion batteries and related energy storage devices.

Cited by 51 publications

References 38 publications

Recent Progress in Emerging Two-Dimensional Transition Metal Carbides

Recent Progress in Emerging Two-Dimensional Transition Metal Carbides

Rational Design of Pillared SnS/Ti3C2Tx MXene for Superior Lithium-Ion Storage

Recent Advances in MXene Nanocomposite-Based Biosensors

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Rational Design of Pillared SnS/Ti₃C₂T_x MXene for Superior Lithium-Ion Storage