Stability, electrochemical behaviors and electronic structures of iron hydroxyl-phosphate - 文章详情页

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EI Scopus

摘要：

Iron　hydroxyl-phosphate　with　a　uniform　spherical　particle　size　of　around　1　μm,　a　compound　of　the　type　Fe2-yy(PO4)(OH)3-3y　(H2O)3y-2　(where　represents　a　vacancy),　has　been　synthesized　by　hydrothermal　methods.　The　particles　are　composed　of　spheres　of　diameter　-1　and　120　mAh　g-1　at　current　densities　of　170　mA　g-1　and　680　mA　g-1,　respectively.　The　stability　of　crystal　structure　of　this　material　was　studied　by　TGA　and　XRD　which　show　that　the　material　remains　stable　at　least　up　to　the　temperature　200　°C.　Investigation　of　the　electronic　structure　of　the　iron　hydroxyl-phosphate　by　GGA　+　U　calculation　has　indicated　that　it　has　a　better　electronic　conductivity　than　LiFePO4.　©　2010.

关键词：

Calculations Crystal structure Electronic structure Iron compounds Lithium compounds Particle size Particle size analysis Phase transitions Thermogravimetric analysis

作者机构：

[ 1 ] [Wang, Zhongli]College of Environmental and Energy Engineering, Beijing University of Technology, Pingleyuan 100, Chaoyang District, Beijing 100022, China
[ 2 ] [Sun, Shaorui]College of Environmental and Energy Engineering, Beijing University of Technology, Pingleyuan 100, Chaoyang District, Beijing 100022, China
[ 3 ] [Li, Fan]College of Environmental and Energy Engineering, Beijing University of Technology, Pingleyuan 100, Chaoyang District, Beijing 100022, China
[ 4 ] [Chen, Ge]College of Environmental and Energy Engineering, Beijing University of Technology, Pingleyuan 100, Chaoyang District, Beijing 100022, China
[ 5 ] [Xia, Dingguo]College of Environmental and Energy Engineering, Beijing University of Technology, Pingleyuan 100, Chaoyang District, Beijing 100022, China
[ 6 ] [Zhao, Ting]Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
[ 7 ] [Zhao, Ting]University of Science and Technology of China, Hefei, 230026, China
[ 8 ] [Chu, Wangsheng]Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
[ 9 ] [Chu, Wangsheng]University of Science and Technology of China, Hefei, 230026, China
[ 10 ] [Wu, Ziyu]Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
[ 11 ] [Wu, Ziyu]University of Science and Technology of China, Hefei, 230026, China

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电子邮件地址：

dgxia@bjut.edu.cn

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