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Hydrothermal Synthesis of Leaf-like LiFePO4/C Cathode Composites
Yun Qiang1,2; Zhou Yuan1; Hai Chun-Xi1; Shen Yue1; Li Xiang1,2; Zhang Li-Juan1,2; Li Song1,2; Ding Xiu-Ping1
2015-05-10
Source PublicationCHINESE JOURNAL OF INORGANIC CHEMISTRY
Volume31Issue:5Pages:880-887
SubtypeArticle
AbstractHighly-dispersed LiFePO4/C composite with micro-leaf structure was synthesized by a facile citric acid-assisted hydrothermal method in this study. Crystal structure and morphology of samples were investigated by XRD, FTIR, SEM, HR-TEM and selected area electron diffraction (SAED). The characterization results indicate that citric acid accelerates the formation of leaf-like LiFePO4/C composite. The as-prepared leaf-like LiFePO4/C composite with an enlarged (010) plane has high dispersibility. By comparing the electrochemical properties of the LiFePO4/C particles in our study, the LiFePO4/C micro-leaves exhibit larger discharge capacity and better rate performance, which deliver a discharge capacity of 158 mAh.g(-1) at 0.1C and 126 mAh.g(-1) at 5C. The enhanced performance perhaps is attributed to the reduced Li-ion diffusion paths along the [010] direction and larger Li-ion diffusion coefficient.
KeywordMaterials Science Hydrothermal Synthesis Electrochemistry Lifepo4/c Micro-leaf Citric Acid
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordLITHIUM-ION BATTERIES ; ELECTROCHEMICAL PROPERTIES ; SOLVOTHERMAL SYNTHESIS ; CARBON NANOTUBE ; PERFORMANCE ; MICROSTRUCTURES ; SURFACE ; PLANE
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Inorganic & Nuclear
WOS IDWOS:000355574300004
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Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6141
Collection青海盐湖研究所知识仓储
中国科学院青海盐湖研究所
盐湖资源与化学实验室
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Salt Lake Resources Chem Qinghai Prov, Xining 810008, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yun Qiang,Zhou Yuan,Hai Chun-Xi,et al. Hydrothermal Synthesis of Leaf-like LiFePO4/C Cathode Composites[J]. CHINESE JOURNAL OF INORGANIC CHEMISTRY,2015,31(5):880-887.
APA Yun Qiang.,Zhou Yuan.,Hai Chun-Xi.,Shen Yue.,Li Xiang.,...&Ding Xiu-Ping.(2015).Hydrothermal Synthesis of Leaf-like LiFePO4/C Cathode Composites.CHINESE JOURNAL OF INORGANIC CHEMISTRY,31(5),880-887.
MLA Yun Qiang,et al."Hydrothermal Synthesis of Leaf-like LiFePO4/C Cathode Composites".CHINESE JOURNAL OF INORGANIC CHEMISTRY 31.5(2015):880-887.
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