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Multiply depolarized composite cathode of Li1.2Mn0.54Ni0.13Co0.13O2 embedded in a combinatory conductive network for lithium-ion battery with superior overall performances
Li, Xichao1; Zheng, Lili2,3; Zang, Zhao4; Liu, Tao1; Cao, Fengting1; Sun, Xiaolin1; Sun, Shimei1; Niu, Quanhai1; Lu, Yuxiang4; Ohsaka, Takeo5; Wu, Jianfei1
2018-05-05
发表期刊JOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
卷号744页码:41-50
摘要The multiply depolarized composite cathode consisted of Li1.2Mn0.54Ni0.13Co0.13O2 (LMNCO) and a combinatory conductive network of graphene (GN) + carbon nanotubes (CNTs) in the active material and GN coating at the interface of current collector is synthesized via pasting LMNCO/GN/CNTs composite slurry on GN coated Al foil. The interlaced GN + CNTs conductive network improves both the electronic conductivity and Li ion transport and stabilizes the structure of composite. The GN coating at the interface of current/active materials interlaces with GN + CNTs in the active materials and improves the adhesion and reduces the resistance between the active material and current collector. Consequently, the LMNCO composite cathode exhibits superior rate capacities of 132 mAh g(-1) at 5C and 97mAh g(-1) at 10C, high cycling capacity retentions of 86% at 1C and 85% at 2C after 100 cycles, respectively and lower voltage fading. This combinatory conductive network is much more efficient for reducing the resistance and polarization of electrode than any single conductive network of GN + CNTs, CNTs, GN or GN coating. (C) 2018 Elsevier B.V. All rights reserved.
文章类型Article
关键词Lithium-rich Cathode Material Conductive Network Rate Capability Cycling Stability li1.2mn0.54ni0.13co0.13o2-gn+cnts/gn Composite
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jallcom.2018.02.067
关键词[WOS]CU CURRENT COLLECTOR ; RICH LAYERED OXIDES ; ELECTROCHEMICAL PERFORMANCE ; RECENT PROGRESS ; SURFACE MODIFICATION ; CYCLING STABILITY ; LIFEPO4 CATHODE ; CARBON NANOTUBE ; RATE CAPABILITY ; GRAPHENE
收录类别SCI
语种英语
WOS研究方向Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
项目资助者National Natural Science Foundation of China(21673267) ; Shandong Provincial Natural Science Foundation(ZR2015QZ01) ; Qingdao Postdoctoral Application Research Project ; Qingdao Industrial Energy Storage Technology Institute
WOS类目Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号WOS:000427513400006
出版者ELSEVIER SCIENCE SA
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/10708
专题中国科学院青岛生物能源与过程研究所
通讯作者Wu, Jianfei
作者单位1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266042, Peoples R China
2.Qingdao Univ, Power & Energy Storage Syst Res Ctr, Qingdao 266071, Peoples R China
3.Qingdao Univ, Coll Mech & Elect Engn, Qingdao 266071, Peoples R China
4.China Univ Petr, Coll Mech & Elect Engn, Qingdao 266580, Peoples R China
5.Tokyo Inst Technol, Interdisciplinary Grad Sch Sci & Engn, Dept Elect Chem, Midori Ku, Yokohama, Kanagawa 2268502, Japan
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GB/T 7714
Li, Xichao,Zheng, Lili,Zang, Zhao,et al. Multiply depolarized composite cathode of Li1.2Mn0.54Ni0.13Co0.13O2 embedded in a combinatory conductive network for lithium-ion battery with superior overall performances[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2018,744:41-50.
APA Li, Xichao.,Zheng, Lili.,Zang, Zhao.,Liu, Tao.,Cao, Fengting.,...&Wu, Jianfei.(2018).Multiply depolarized composite cathode of Li1.2Mn0.54Ni0.13Co0.13O2 embedded in a combinatory conductive network for lithium-ion battery with superior overall performances.JOURNAL OF ALLOYS AND COMPOUNDS,744,41-50.
MLA Li, Xichao,et al."Multiply depolarized composite cathode of Li1.2Mn0.54Ni0.13Co0.13O2 embedded in a combinatory conductive network for lithium-ion battery with superior overall performances".JOURNAL OF ALLOYS AND COMPOUNDS 744(2018):41-50.
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