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Copolymerization- Assisted Preparation of Porous LiMn2O4 Hollow Microspheres as High Power Cathode of Lithium-ion Batteries
Zou, Zhimin; Li, Zhaojin; Zhang, Hui; Wang, Xiaohui; Jiang, Chunhai; Jiang, CH (reprint author), Xiamen Univ Technol, Inst Adv Energy Mat, Sch Mat Sci & Engn, Fujian Prov Key Lab Funct Mat & Applicat, Xiamen 361024, Peoples R China.; Wang, XH (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
2017-08-01
Source PublicationJOURNAL MATER SCI TECHNOL
ISSN1005-0302
Volume33Issue:8Pages:781-787
AbstractPorous LiMn2O4 hollow microspheres were facilely prepared by incorporation of Li and Mn elements into a spherical polymeric precursor through copolymerization of lithium and manganese acetates with resorcinol and hexamethylenetetramine and then burning off the organic matrix at appropriate temperatures in air. The LiMn2O4 inherited the spherical morphology of the polymeric precursor but showed hollow porous structure assembled by nanocrystals of about 50-100 nm in size. When tested as cathode of Li-ion batteries, the LiMn2O4 hollow spheres exhibited excellent rate capability and cycle stability. A discharge capacity of above 90 mAh g(-1) was maintained at 10 C (1 C = 120 mAg(-1)), and the cells can still deliver a discharge capacity over 100 mAh g(-1) after another 115 cycles at 0.5 C. With such excellent electrochemical properties, the prepared LiMn2O4 hollow microspheres could be promising cathode of Li-ion batteries for long term and high power applications. (C) 2016 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.; Porous LiMn2O4 hollow microspheres were facilely prepared by incorporation of Li and Mn elements into a spherical polymeric precursor through copolymerization of lithium and manganese acetates with resorcinol and hexamethylenetetramine and then burning off the organic matrix at appropriate temperatures in air. The LiMn2O4 inherited the spherical morphology of the polymeric precursor but showed hollow porous structure assembled by nanocrystals of about 50-100 nm in size. When tested as cathode of Li-ion batteries, the LiMn2O4 hollow spheres exhibited excellent rate capability and cycle stability. A discharge capacity of above 90 mAh g(-1) was maintained at 10 C (1 C = 120 mAg(-1)), and the cells can still deliver a discharge capacity over 100 mAh g(-1) after another 115 cycles at 0.5 C. With such excellent electrochemical properties, the prepared LiMn2O4 hollow microspheres could be promising cathode of Li-ion batteries for long term and high power applications. (C) 2016 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
description.department[zou, zhimin ; jiang, chunhai] xiamen univ technol, inst adv energy mat, sch mat sci & engn, fujian prov key lab funct mat & applicat, xiamen 361024, peoples r china ; [li, zhaojin ; zhang, hui ; wang, xiaohui] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china
KeywordLi-ion Batteries Cathode Limn2o4 Hollow Spheres Rate Capability
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNatural Science Foundation of Fujian Province [2016J01746, 2016H0038]; "Minjiang Scholarship" program [60815002]; XMUT [E2015027, E2016005]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79159
Collection中国科学院金属研究所
Corresponding AuthorJiang, CH (reprint author), Xiamen Univ Technol, Inst Adv Energy Mat, Sch Mat Sci & Engn, Fujian Prov Key Lab Funct Mat & Applicat, Xiamen 361024, Peoples R China.; Wang, XH (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Zou, Zhimin,Li, Zhaojin,Zhang, Hui,et al. Copolymerization- Assisted Preparation of Porous LiMn2O4 Hollow Microspheres as High Power Cathode of Lithium-ion Batteries[J]. JOURNAL MATER SCI TECHNOL,2017,33(8):781-787.
APA Zou, Zhimin.,Li, Zhaojin.,Zhang, Hui.,Wang, Xiaohui.,Jiang, Chunhai.,...&Wang, XH .(2017).Copolymerization- Assisted Preparation of Porous LiMn2O4 Hollow Microspheres as High Power Cathode of Lithium-ion Batteries.JOURNAL MATER SCI TECHNOL,33(8),781-787.
MLA Zou, Zhimin,et al."Copolymerization- Assisted Preparation of Porous LiMn2O4 Hollow Microspheres as High Power Cathode of Lithium-ion Batteries".JOURNAL MATER SCI TECHNOL 33.8(2017):781-787.
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