Modification of 2D materials using MoS<sub>2</sub>as a model for investigating the Al-storage properties of diverse crystal facets

Kang, Rongkai; Du, Yiqun; Zhang, Dongmei; Sun, Chenyi; Zhou, Wensheng; Han, Wenjuan; Chen, Guowen; Zhang, Jianxin

doi:10.1039/d3ta02719h

Cited by 8 publications

(2 citation statements)

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“…The compressed semicircles are associated with electrochemical resistance, including electrolyte resistance (R e ) at the intercept of the Z′ axis and the charge transfer resistance (R ct ) between the anode and electrolyte at the middle-to-high frequency. 53 The R ct value of the CuO/MXene anode (108.4 Ω) is between those of CuO (210.1 Ω) and MXene (52.1 Ω) in the simulated equivalent circuit (Figure S9 and Table S1). It suggests that the MXene matrix enhanced the electron conductivity of the CuO/MXene heterojunction compared with pure CuO.…”

Section: Resultsmentioning

confidence: 95%

“…Figure a shows the EIS spectra of CuO/MXene, CuO NRs, and MXene anodes before cycling. The compressed semicircles are associated with electrochemical resistance, including electrolyte resistance ( R e ) at the intercept of the Z′ axis and the charge transfer resistance ( R ct ) between the anode and electrolyte at the middle-to-high frequency . The R ct value of the CuO/MXene anode (108.4 Ω) is between those of CuO (210.1 Ω) and MXene (52.1 Ω) in the simulated equivalent circuit (Figure S9 and Table S1).…”

Section: Resultsmentioning

confidence: 99%

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Convenient Construction of CuO/Ti₃C₂T_x Heterojunction with Strong Charge Transfer and Li Intercalation for Superior Lithium Storage

Zhang,

Kang,

Zhang

et al. 2023

ACS Appl. Nano Mater.

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Assembling transition-metal oxides (TMOs) and MXene with strong interfacial interactions is an effective method to overcome the drawbacks of TMOs as anodes for lithium-ion batteries (LIBs) such as large volume expansion and low conductivity. Herein, a CuO nanorod/MXene heterojunction (denoted as CuO/MXene) with a synergistic effect was constructed with a "sheet-rod-pore" hierarchical nanostructure by electrostatic self-assembly. Specifically, encapsulated CuO nanorods exert superiority in the high reversible capacity and increase the interlayer distance of the MXene matrix to explore more storage spaces. MXene could significantly boost the conductivity, accommodate volume variation, and inhibit structure collapse as a buffer network. Density functional theory (DFT) calculations confirm the strong electron transport and lithium affinity at the CuO/MXene heterointerface, elucidating the reasons for the enhanced lithium storage capacity (436.4 mAh g −1 at 500 mA g −1 ), ion diffusion kinetics, and structural stability after cycling than pure CuO and MXene. When paired with the LiCoO 2 cathode, the full cell delivers good cycling stability after 140 cycles, indicating the practical applicability of CuO/MXene. This work not only validates the robust interfacial interaction of TMO/MXene heterojunction but also explores an effective strategy to prepare promising anode materials for the next-generation LIBs.

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Section: Resultsmentioning

confidence: 95%

Section: Resultsmentioning

confidence: 99%

Convenient Construction of CuO/Ti₃C₂T_x Heterojunction with Strong Charge Transfer and Li Intercalation for Superior Lithium Storage

Zhang,

Kang,

Zhang

et al. 2023

ACS Appl. Nano Mater.

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Enhanced Al‐Storage Performance by Electronic Properties Optimization and Structural Customization in MOF‐Derived Heterostructure

Kang,

Du,

Zhang

et al. 2024

Adv Funct Materials

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Chalcogenide cathodes with multi‐electron transfer characteristics are indispensable to aluminum‐ion batteries (AIBs). Nevertheless, their grievous capacity degradation and sluggish reaction kinetics remain fundamental challenges for the practical application. Herein, a Cu2S/Ni3S2 multiphase structure within the metal‐organic frame (MOF) derived carbon decoration layer (CNS@MC) is constructed to elevate the intrinsic electronic properties of chalcogenide cathode and realize high‐performance AIBs. The existence of outer carbon layer and strong orbital interaction at inner heterointerfaces eliminates the bandgap and arises more electrons at Fermi level, efficiently reducing the energy barrier for electron transfer and achieving high reactivity within cathodes. The CNS@MC also presents a strong electronic interaction with active solvent groups, which is beneficial to capture Al3+ and facilitate the three‐electron charge‐storage reactions. Experimental results demonstrate that the tailored CNS@MC cathode possesses superior redox kinetics due to the sufficient surface area and rapid Al‐ion diffusion during cycling. Meanwhile, the robust CNS@MC delivers ultra‐high electrochemical stability (131.1 mAh g−1 over 3500 cycles) with high coulombic efficiency and outstanding rate performance. This work offers new opportunities for optimizing the intrinsic properties of the chalcogenide electrodes based on MOF derivatives and heterostructure, providing novel thoughts for designing high‐performance AIBs.

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Uniform Li-ion diffusion and robust solid electrolyte interface construction for kilogram-scale Si@ZIF powder as the anode in Li-ion batteries

Zhang,

Yang,

Zhou

et al. 2023

Energy Storage Materials

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Modification of 2D materials using MoS₂as a model for investigating the Al-storage properties of diverse crystal facets

Abstract: The research on aluminum batteries (ABs) is becoming a hotspot due to their low cost, high specific capacity, and high safety. However, the limited charge-storage capacity of cathodes has impeded...

Cited by 8 publications

References 48 publications

Convenient Construction of CuO/Ti₃C₂T_x Heterojunction with Strong Charge Transfer and Li Intercalation for Superior Lithium Storage

Convenient Construction of CuO/Ti₃C₂T_x Heterojunction with Strong Charge Transfer and Li Intercalation for Superior Lithium Storage

Enhanced Al‐Storage Performance by Electronic Properties Optimization and Structural Customization in MOF‐Derived Heterostructure

Uniform Li-ion diffusion and robust solid electrolyte interface construction for kilogram-scale Si@ZIF powder as the anode in Li-ion batteries

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Modification of 2D materials using MoS2as a model for investigating the Al-storage properties of diverse crystal facets

Abstract: The research on aluminum batteries (ABs) is becoming a hotspot due to their low cost, high specific capacity, and high safety. However, the limited charge-storage capacity of cathodes has impeded...

Cited by 8 publications

References 48 publications

Convenient Construction of CuO/Ti3C2Tx Heterojunction with Strong Charge Transfer and Li Intercalation for Superior Lithium Storage

Convenient Construction of CuO/Ti3C2Tx Heterojunction with Strong Charge Transfer and Li Intercalation for Superior Lithium Storage

Enhanced Al‐Storage Performance by Electronic Properties Optimization and Structural Customization in MOF‐Derived Heterostructure

Uniform Li-ion diffusion and robust solid electrolyte interface construction for kilogram-scale Si@ZIF powder as the anode in Li-ion batteries

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Modification of 2D materials using MoS₂as a model for investigating the Al-storage properties of diverse crystal facets

Convenient Construction of CuO/Ti₃C₂T_x Heterojunction with Strong Charge Transfer and Li Intercalation for Superior Lithium Storage

Convenient Construction of CuO/Ti₃C₂T_x Heterojunction with Strong Charge Transfer and Li Intercalation for Superior Lithium Storage