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Title:
A facile method of preparing mixed conducting LiFePO4/graphene composites for lithium-ion batteries
Author: Wang, Li1,2; Wang, Haibo2; Liu, Zhihong2; Xiao, Chen2; Dong, Shanmu2; Han, Pengxian2; Zhang, Zhongyi2; Zhang, Xiaoying2; Bi, Caifeng1; Cui GuangLei(崔光磊)2
Source: SOLID STATE IONICS
Issued Date: 2010-12-13
Volume: 181, Issue:37-38, Pages:1685-1689
Keyword: LiFePO4 ; Graphene ; Mixed conducting ; Network ; Lithium-ion batteries
Subject: 能源应用技术::仿生能源系统
DOI: 10.1016/j.ssi.2010.09.056
DOC Type: Article
English Abstract: In this work, mixed (electron and ion) conducting LiFePO4/graphene composites have been prepared through a facile hydrothermal route followed by heat treatment. It was found that the LiFePO4 particles adhered to the surface of graphene and/or embedded in the graphene nanosheets. As a result, an effective three-dimensional conducting network was formed by bridging graphene nanosheets, which can facilitate electron transport effectively and thus improve the kinetics and rate performance of LiFePO4. The LiFePO4/graphene (92:8 wt.) composites exhibited a discharge capacity of 160.3 mAh g(-1) at 0.1 C and 81.5 mAh g(-1) at 10 C, respectively. The comparative investigation on LiFePO4/graphene composites and LiFePO4 proved that establishing a mixed conducting network with graphene has a potential to enhance the specific capacity and rate capability of LiFePO4. (C) 2010 Elsevier B.V. All rights reserved.
WOS Headings: Science & Technology ; Physical Sciences
WOS Subject: Chemistry, Physical ; Physics, Condensed Matter
WOS Subject Extended: Chemistry ; Physics
WOS Keyword Plus: LIFEPO4 ; CARBON ; ELECTRODES ; NANOPARTICLES ; STORAGE ; PERFORMANCE ; INSERTION ; CAPACITY ; CATHODE ; ENERGY
Indexed Type: SCI
Language: 英语
WOS ID: WOS:000285230200008
Citation statistics:
Content Type: 期刊论文
URI: http://ir.qibebt.ac.cn/handle/337004/1173
Appears in Collections:仿生能源与储能系统团队_期刊论文

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description.institution: 1.Ocean Univ China, Qingdao 266003, Peoples R China
2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China

Recommended Citation:
Wang, Li,Wang, Haibo,Liu, Zhihong,et al. A facile method of preparing mixed conducting LiFePO4/graphene composites for lithium-ion batteries[J]. SOLID STATE IONICS,2010,181(37-38):1685-1689.
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