Volume 20, Issue 31 2311773
Research Article

Endogenous Interfacial Mo−C/N−Mo-S Bonding Regulates the Active Mo Sites for Maximized Li+ Storage Areal Capacity

Zeba Khanam

Zeba Khanam

College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082 P. R. China

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Tuzhi Xiong

Tuzhi Xiong

College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082 P. R. China

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Fang Yang

Fang Yang

College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082 P. R. China

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Hailan Su

Hailan Su

College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082 P. R. China

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Li Luo

Li Luo

College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082 P. R. China

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Jieqiong Li

Jieqiong Li

College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082 P. R. China

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Malcolm Koroma

Malcolm Koroma

College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082 P. R. China

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Bowen Zhou

Bowen Zhou

Ningxiang Country Garden School, 88 Ouzhou South Rd, Changsha, 410600 P. R. China

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Muhammad Mushtaq

Muhammad Mushtaq

College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082 P. R. China

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Yongchao Huang

Corresponding Author

Yongchao Huang

Institute of Environmental Research at Greater Bay, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou, 510006 P. R. China

E-mail: [email protected]; [email protected]; [email protected]

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Ting Ouyang

Corresponding Author

Ting Ouyang

College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082 P. R. China

E-mail: [email protected]; [email protected]; [email protected]

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M.-Sadeeq Balogun

Corresponding Author

M.-Sadeeq Balogun

College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082 P. R. China

E-mail: [email protected]; [email protected]; [email protected]

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First published: 06 March 2024
Citations: 60

Abstract

Active sites, mass loading, and Li-ion diffusion coefficient are the benchmarks for boosting the areal capacity and storage capability of electrode materials for lithium-ion batteries. However, simultaneously modulating these criteria to achieve high areal capacity in LIBs remains challenging. Herein, MoS2 is considered as a suitable electroactive host material for reversible Li-ion storage and establish an endogenous multi-heterojunction strategy with interfacial Mo−C/N−Mo-S coordination bonding that enables the concurrent regulation of these benchmarks. This strategy involves architecting 3D integrated conductive nanostructured frameworks composed of Mo2C-MoN@MoS2 on carbon cloth (denoted as C/MMMS) and refining the sluggish kinetics in the MoS2-based anodes. Benefiting from the rich hetero-interface active sites, optimized Li adsorption energy, and low diffusion barrier, C/MMMS reaches a mass loading of 12.11 mg cm−2 and showcases high areal capacity and remarkable rate capability of 9.6 mAh cm−2@0.4 mA cm−2 and 2.7 mAh cm−2@6.0 mA cm−2, respectively, alongside excellent stability after 500 electrochemical cycles. Moreover, this work not only affirms the outstanding performance of the optimized C/MMMS as an anode material for supercapacitors, underscoring its bifunctionality but also offers valuable insight into developing endogenous transition metal compound electrodes with high mass loading for the next-generation high areal capacity energy storage devices.

Conflict of Interest

The authors declare no conflict of interest.

Data Availability Statement

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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