Manganese Cobalt Oxide (MnCo₂O₄) Hollow Spheres as High Capacity Anode Materials for Lithium-Ion Batteries

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• 作者：Prof. Rencheng Jin ; Yuqian Ma ; Yexian Sun ; Honghao Li ; Qingyao Wang and Prof. Gang Chen
• 刊名：Energy Technology
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：5
• 期：2
• 页码：293-299
• 全文大小：2551K
• ISSN：2194-4296

文摘

Ternary metal oxides are considered as promising anode materials for lithium-ion batteries (LIBs), because they can circumvent the shortcomings of single-component oxides. Herein, a facile hydrothermal route combined with calcination is used to fabricate manganese cobalt oxide (MnCo₂O₄) hollow spheres comprised of many mesoporous nanosheets. When used as anode material, the MnCo₂O₄ hollow spheres display excellent electrochemical properties. A specific capacity of 1023 mAh g⁻¹ can be achieved after 200 cycles at a current density of 200 mA g⁻¹. Even at a high current density of 5000 mA g⁻¹, a reversible discharge capacity as high as 755 mAh g⁻¹ can be achieved.