材料科学
煅烧
介孔材料
电流密度
钴
阳极
化学工程
锰
氧化钴
锂(药物)
三元运算
热液循环
纳米技术
氧化物
电化学
无机化学
电极
催化作用
冶金
化学
物理化学
内分泌学
程序设计语言
工程类
物理
医学
量子力学
生物化学
计算机科学
作者
Rencheng Jin,Yuqian Ma,Yexian Sun,Honghao Li,Qingyao Wang,Gang Chen
标识
DOI:10.1002/ente.201600275
摘要
Abstract 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 (MnCo 2 O 4 ) hollow spheres comprised of many mesoporous nanosheets. When used as anode material, the MnCo 2 O 4 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.
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