MXene-supported Co3O4 quantum dots for superior lithium storage and oxygen evolution activities

Chuang Wang; Xiao-Dong Zhu; Ya-Chun Mao; Fang Wang; Xiao-Tian Gao; Sheng-You Qiu; Shi-Ru Le; Ke-Ning Sun

doi:10.1039/C8CC09699F

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MXene-supported Co₃O₄ quantum dots for superior lithium storage and oxygen evolution activities†

Chuang Wang,^a Xiao-Dong Zhu,

*^b Ya-Chun Mao,^b Fang Wang,^a Xiao-Tian Gao,^a Sheng-You Qiu,^a Shi-Ru Le^b and Ke-Ning Sun*^b

Author affiliations

* Corresponding authors

^a School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, China

^b Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin, China
E-mail: zxd9863@163.com, Keningsunhit@126.com

Abstract

A novel hybrid, composed of Co₃O₄ quantum dots supported on Ti₃C₂T_x (MXene) nanosheets, exhibits a strong synergetic effect, and shows superior lithium storage (capacity = 766.5 mA h g⁻¹ at 2 A g⁻¹ after 400 cycles) and oxygen evolution (overpotential = 340 mV at 10 mA cm⁻²) activities.

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Article information

DOI: https://doi.org/10.1039/C8CC09699F
Article type: Communication
Submitted: 06 Dec 2018
Accepted: 03 Jan 2019
First published: 11 Jan 2019

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Chem. Commun., 2019,55, 1237-1240

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MXene-supported Co₃O₄ quantum dots for superior lithium storage and oxygen evolution activities

C. Wang, X. Zhu, Y. Mao, F. Wang, X. Gao, S. Qiu, S. Le and K. Sun, Chem. Commun., 2019, 55, 1237 DOI: 10.1039/C8CC09699F

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Chemical Communications