Spongelike Nanosized Mn 3 O 4 as a High-Capacity Anode Material for Rechargeable Lithium Batteries
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AbstractMn3O4 has been investigated as a high-capacity anode material for rechargeable lithium ion batteries. Spongelike nanosized Mn 3O4 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. © 2011 American Chemical Society.
CitationGao J, Lowe MA, Abruña HD (2011) Spongelike Nanosized Mn 3 O 4 as a High-Capacity Anode Material for Rechargeable Lithium Batteries . Chem Mater 23: 3223–3227. Available: http://dx.doi.org/10.1021/cm201039w.
SponsorsThis work is supported by the Energy Materials Center at Cornell (EMC2), an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award Number DE-SC0001086. Some battery testing was performed using resources at the KAUST-Cornell Center for Energy and Sustainability (KAUST-CU). MAL gratefully acknowledges funding from a National Defense Science and Engineering Graduate fellowship. The authors also acknowledge use of the Keck SEM administered by the NSF -MRSEC at Cornell.
PublisherAmerican Chemical Society (ACS)
JournalChemistry of Materials