期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 20, 期 19, 页码 5815-5820出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201304713
关键词
cathode; electrochemistry; hollow spheres; nanostructures; solid-state structures
资金
- National Natural Science Foundation of China [11202177, 51202207]
Iron fluoride cathodes have been attracting considerable interest due to their high electromotive force value of 2.7V and their high theoretical capacity of 237mAhg(-1) (1e(-) transfer). In this study, uniform iron fluoride hollow porous microspheres have been synthesized for the first time by using a facile and scalable solution-phase route. These uniform porous and hollow microspheres show a high specific capacity of 210mAhg(-1) at 0.1C, and excellent rate capability (100mAhg(-1) at 1C) between 1.7 and 4.5V versus Li/Li+. When in the range of 1.3 to 4.5V, stable capacity was achieved at 350mAhg(-1) at a current of 50mAg(-1).
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