Fe3O4@CoO mesospheres with core-shell nanostructure as catalyst for Li-O2batteries
Shang, Chaoqun1; Zhang, Xuzi1; Shui, Lingling1; Chen ZH(陈志鸿)2,3; Liao, Hua4; Li, Ming4; Wang, Xin1,3; Zhou, Guofu1,3
作者部门广州中国科学院沈阳自动化研究所分所
关键词Li-o2 Battery Coulombic Efficiency Cycling Performance Fe3o4@coo Core-shell Nanostructure
发表期刊Applied Surface Science
ISSN0169-4332
2018
卷号457页码:804-808
收录类别SCI ; EI
EI收录号20182805526382
WOS记录号WOS:000441872300094
产权排序2
资助机构National Natural Science Foundation of China Program ; Cultivation project of National Engineering Technology Center ; Xijiang RD Team ; Guangdong Provincial Grant ; Special Fund Project of Science and Technology Application in Guangdong ; 111 project
摘要

Li-O2batteries have attracted significant attention due to their high theoretical energy density. However, the formation of Li2CO3has resulted in low coulombic efficiency and poor cycling stability of Li-O2batteries. To address these issues, Fe3O4@CoO mesospheres with core-shell nanostructure are prepared and added as an efficient component to utilize the advantages of carbon materials, such as high electronic conductivity, low cost, and porous structure, and to reduce the amount of carbon materials in cathodes. Fe3O4@CoO mesospheres delivered low charge potential and significantly enhanced cycling stability of Li-O2batteries. The improved electrochemical performances were attributed to the core-shell nanostructure design of Fe3O4core that promised high electronic conductivity and the porous CoO shell with many active sites reduced the overpotential charge and provided considerable space for the storage of discharge products.

语种英语
WOS类目Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
关键词[WOS]LITHIUM-ION BATTERIES ; PERFORMANCE CATHODE CATALYST ; LI-AIR BATTERIES ; OXYGEN BATTERIES ; CARBON ; COMPOSITE ; ELECTRODE ; NANOPARTICLES ; CAPACITORS ; STORAGE
WOS研究方向Chemistry ; Materials Science ; Physics
资助项目National Natural Science Foundation of China Program[51602111] ; Cultivation project of National Engineering Technology Center[2017B090903008] ; Xijiang RD Team ; Guangdong Provincial Grant[2015A030310196] ; Guangdong Provincial Grant[2017A050506009] ; Special Fund Project of Science and Technology Application in Guangdong[2017B020240002] ; 111 project
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/22132
专题广州中国科学院沈阳自动化研究所分所
通讯作者Wang, Xin
作者单位1.National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510006, China
2.Shenyang Institute of Automation, Guangzhou, Chinese Academy of Sciences, Guangzhou, China
3.International Academy of Optoelectronics at Zhaoqing, South China Normal University, Guangdong Province, China
4.Institute of Solar Energy, Yunnan Normal University, Kunming 650500, China
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GB/T 7714
Shang, Chaoqun,Zhang, Xuzi,Shui, Lingling,et al. Fe3O4@CoO mesospheres with core-shell nanostructure as catalyst for Li-O2batteries[J]. Applied Surface Science,2018,457:804-808.
APA Shang, Chaoqun.,Zhang, Xuzi.,Shui, Lingling.,Chen ZH.,Liao, Hua.,...&Zhou, Guofu.(2018).Fe3O4@CoO mesospheres with core-shell nanostructure as catalyst for Li-O2batteries.Applied Surface Science,457,804-808.
MLA Shang, Chaoqun,et al."Fe3O4@CoO mesospheres with core-shell nanostructure as catalyst for Li-O2batteries".Applied Surface Science 457(2018):804-808.
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