Spongelike Nanosized Mn3O4 as a High-Capacity Anode Material for Rechargeable Lithium Batteries

被引：364

作者：

Gao, Jie ^{[1
]}

Lowe, Michael A. ^{[1
]}

Abruna, Hector D. ^{[1
]}

机构：

[1] Cornell Univ, Dept Chem & Chem Biol, Ithaca, NY 14853 USA

来源：

CHEMISTRY OF MATERIALS | 2011年 / 23卷 / 13期

关键词：

Mn3O4; anode material; lithium batteries; high capacity; Raman scattering; ION BATTERIES; MANGANESE OXIDES; CO3O4; NANOTUBES; NANOMATERIALS; CHALLENGES; OVERCHARGE; TRANSITION; MN5O8;

D O I：

10.1021/cm201039w

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页码：3223 / 3227

页数：5

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