期刊
CHEMISTRY OF MATERIALS
卷 23, 期 13, 页码 3223-3227出版社
AMER CHEMICAL SOC
DOI: 10.1021/cm201039w
关键词
Mn3O4; anode material; lithium batteries; high capacity; Raman scattering
资金
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001086]
- National Defense Science and Engineering Graduate fellowship
Mn3O4 has been investigated as a high-capacity anode material for rechargeable lithium ion batteries. Spongelike nanosized Mn3O4 was synthesized by a simple precipitation method and characterized by powder X-ray diffraction, Raman scattering and scanning electron microscopy. Its electrochemical performance, as an anode material, was evaluated by galvanostatic discharge-charge tests. The results indicate that this novel type of nanosized Mn3O4 exhibits a high initial reversible capacity (869 mA h/g) and significantly enhanced first Coulomb efficiency with a stabilized reversible capacity of around 800 mA h/g after over 40 charge/discharge cycles.
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