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Mechanism for Hydrothermal Synthesis of LiFePO4 Platelets as Cathode Material for Lithium-Ion Batteries
Qin, Xue1,2; Wang, Xiaohui1; Xiang, Huimin1,2; Xie, Jie1,2; Li, Jingjing1,2; Zhou, Yanchun1
Corresponding AuthorWang, Xiaohui(wang@imr.ac.cn)
2010-10-07
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume114Issue:39Pages:16806-16812
AbstractThe low-temperature hydrothermal synthesis method has been drawing ever-growing attention due to the fact that it has many advantages over conventional methods for preparing promising cathode material LiFePO4. However; the mechanism for hydrothermal synthesis of LiFePO4 remains unclear. Here, the hydrothermal reaction mechanism of LiFePO4 is systematically studied by X-ray diffraction (XRD), scanning electron microscopy (SEM), trail mission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), and specific surface analysis. As evidenced by apparent precursor dissolution, fast hydrothermal formation, and significant decrease in particle size with adding alcohols and/or carbon black in the reaction system, a dissolution-precipitation mechanism accounts for the hydrothermal synthesis of LiFePO4. Moreover, we identified tetraphosphate in the LiFePO4 precursor. This compound undergoes hydrolysis upon heating during the hydrothermal process, resulting in a remarkable decline of pH value.
Funding OrganizationChinese Academy of Sciences ; Institute of Metal Research, Chinese Academy of Sciences
DOI10.1021/jp104466e
Indexed BySCI
Language英语
Funding ProjectChinese Academy of Sciences ; Institute of Metal Research, Chinese Academy of Sciences
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000282209800094
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:117[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/100834
Collection中国科学院金属研究所
Corresponding AuthorWang, Xiaohui
Affiliation1.Chinese Acad Sci, High Performance Ceram Div, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Qin, Xue,Wang, Xiaohui,Xiang, Huimin,et al. Mechanism for Hydrothermal Synthesis of LiFePO4 Platelets as Cathode Material for Lithium-Ion Batteries[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2010,114(39):16806-16812.
APA Qin, Xue,Wang, Xiaohui,Xiang, Huimin,Xie, Jie,Li, Jingjing,&Zhou, Yanchun.(2010).Mechanism for Hydrothermal Synthesis of LiFePO4 Platelets as Cathode Material for Lithium-Ion Batteries.JOURNAL OF PHYSICAL CHEMISTRY C,114(39),16806-16812.
MLA Qin, Xue,et al."Mechanism for Hydrothermal Synthesis of LiFePO4 Platelets as Cathode Material for Lithium-Ion Batteries".JOURNAL OF PHYSICAL CHEMISTRY C 114.39(2010):16806-16812.
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