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学科主题: 物理化学
题名: Enhanced lithium storage capacity of Co3O4 hexagonal nanorings derived from Co-based metal organic frameworks
作者: Su, Panpan1, 2;  Liao, Shichao2, 3;  Rong, Feng1, 2;  Wang, Fuqing2, 3;  Chen, Jian3;  Li, Can1;  Yang, Qihua1
通讯作者: 李灿 ;  杨启华
刊名: JOURNAL OF MATERIALS CHEMISTRY A
发表日期: 2014-11-07
DOI: 10.1039/c4ta02874k
卷: 2, 期:41, 页:17408-17414
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Energy & Fuels ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Materials Science
英文摘要: Co3O4 with high capacities and energy density has potential applications to be electrode materials for lithium ion batteries, one of the most important power sources. For improving the cycling stability, the Co3O4 nanostructures are required. Herein, we report successful construction of Co3O4 hexagonal nanorings and nanoplates/nanoparticles via treating Co-based metal organic frameworks (MOFs) with organic amine. The studies show that the release rate of Co(II) to the reaction system and the spatial hindrance of the organic linkers of MOFs determine the final morphology of Co3O4. As an anode for lithium ion batteries, Co3O4 hexagonal nanorings with 1370 mA h g(-1) specific capacity after 30 cycles displayed higher reversible capacity and better stability than commercial Co3O4 particles with only 117 mA h g(-1) specific capacity after 30 cycles. The improved performance of Co3O4 hexagonal nanorings could be attributed to the shortened transfer path for Li+ afforded by the special morphology. It is expected that plentiful metal oxide nanostructures could be constructed from MOFs due to the available versatile categories of MOFs.
关键词[WOS]: ION BATTERIES ;  HYDROTHERMAL SYNTHESIS ;  ANODE MATERIALS ;  POROUS CO3O4 ;  OXIDE ;  NANORODS ;  NANOSTRUCTURES ;  NANOPARTICLES ;  NANOMATERIALS ;  NANOCRYSTALS
语种: 英语
WOS记录号: WOS:000342763300026
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143912
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Adv Rechargeable Batteries, Dalian 116023, Peoples R China

Recommended Citation:
Su, Panpan,Liao, Shichao,Rong, Feng,et al. Enhanced lithium storage capacity of Co3O4 hexagonal nanorings derived from Co-based metal organic frameworks[J]. JOURNAL OF MATERIALS CHEMISTRY A,2014,2(41):17408-17414.
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