期刊
ADVANCED MATERIALS INTERFACES
卷 3, 期 22, 页码 -出版社
WILEY
DOI: 10.1002/admi.201600730
关键词
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资金
- National Natural Science Foundation of China [21373195, 51522212, 51622210, 51421002]
- Recruitment Program of Global Experts
- Fundamental Research Funds for the Central Universities [WK3430000004]
- Collaborative Innovation Center of Suzhou Nano Science and Technology
3D hierarchical flower-like carbon coated MoO3-x nanosheets (denoted as MoO3-x NS@C) have been successfully fabricated by a simple hydrothermal method. When used as anode for Li-ion batteries, the MoO3-x NS@C electrode exhibits excellent cycle performance and outstanding rate capabilities. The charge capacity can reach 1025 mAh g(-1) over 150 cycles, and 62% of the charge capacity is retained when the current density increases to 2000 mA g(-1). The improved lithium storage performance of MoO3-x NS@C is attributed to the synergistic effect of oxygen vacancies and the carbon coating, which not only enhance the electric conductivity and Li-ion diffusion coefficient but also lead to superior structural stability and cyclability of the MoO3-x NS@C electrode during repeated lithiation/delithiation process.
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