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Urchin-like CoO-C micro/nano hierarchical structures as high performance anode materials for Li-ion batteries
Liu, Lili1; Mou, Lihui1; Yu, Jia2,3; Chen, Shimou2
2017
发表期刊RSC ADVANCES
ISSN2046-2069
卷号7期号:5页码:2637-2643
摘要In this work, urchin-like microspheres consisting of radial carbon-coated cobalt monoxide nanowires are designed, to fabricate a micro/nano hierarchical structure for efficient Li-storage. A sequential conversion process is adopted, involving hydrothermal synthesis of an urchin-like cobalt carbonate hydroxide precursor, glycosidation of glucose as a coating layer, and calcination in an inert atmosphere to form a CoO-C composite. On the one hand, the CoO framework provides a high Li-storage capacity with short transport paths and ordered free spaces. On the other hand, the carbon coating layer buffers the volume expansion of inner active materials during lithiation, while providing a stabilized electrode/electrolyte interface and rapid electronic conduction. When tested as an anode material for lithium ion batteries, the urchin-like CoO-C delivers a reversible capacity of 755 mA h g(-1) after 100 cycles. With rate increasing, the performance advantage of the CoO-C composite electrode over a single CoO electrode is obvious.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c6ra26937k
收录类别SCI
语种英语
关键词[WOS]LITHIUM-STORAGE PROPERTIES ; HIGH-CAPACITY ; MESOPOROUS CO3O4 ; RATE CAPABILITY ; NANOCOMPOSITES ; CARBON ; NANOMATERIALS ; NANOSHEETS ; DESIGN ; ARRAYS
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
项目资助者National Natural Science Foundation of China(21276257 ; "Strategic Priority Research Program" of the Chinese Academy of Sciences(XDA09010103) ; National Key Projects for Fundamental Research and Development of China(2016YFB0100100) ; Research Foundation for Youth Scholars of Beijing Technology and Business University(QNJJ2014-14) ; 91534109 ; 21503006)
WOS记录号WOS:000393748600032
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21900
专题多相复杂系统国家重点实验室
作者单位1.Beijing Technol & Business Univ, Sch Sci, Beijing 100048, Peoples R China
2.Chinese Acad Sci, Beijing Key Lab Ion Liquid Clean Proc, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Liu, Lili,Mou, Lihui,Yu, Jia,et al. Urchin-like CoO-C micro/nano hierarchical structures as high performance anode materials for Li-ion batteries[J]. RSC ADVANCES,2017,7(5):2637-2643.
APA Liu, Lili,Mou, Lihui,Yu, Jia,&Chen, Shimou.(2017).Urchin-like CoO-C micro/nano hierarchical structures as high performance anode materials for Li-ion batteries.RSC ADVANCES,7(5),2637-2643.
MLA Liu, Lili,et al."Urchin-like CoO-C micro/nano hierarchical structures as high performance anode materials for Li-ion batteries".RSC ADVANCES 7.5(2017):2637-2643.
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