A green and facile approach for hydrothermal synthesis of LiFePO4 using iron metal directly

被引：37
|
作者：
Bolloju, Satish [1 ]
Rohan, Rupesh [1 ]
Wu, Shao-Tzu [1 ]
Yen, Ho-Xin [1 ]
Dwivedi, Gopeshwar D. [2 ]
Lin, Yuya A. [1 ]
Lee, Jyh-Tsung [1 ,3 ]
机构：
[1] Natl Sun Yat Sen Univ, Dept Chem, Kaohsiung 80424, Taiwan
[2] Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung 80424, Taiwan
[3] Kaohsiung Med Univ, Dept Med & Appl Chem, Kaohsiung 80708, Taiwan
来源：
ELECTROCHIMICA ACTA | 2016年 / 220卷
关键词：
hydrothermal synthesis; LiFePO4; iron metal; cathode; lithium-ion batteries; LITHIUM-ION BATTERIES; CARBOTHERMAL REDUCTION METHOD; X-RAY-DIFFRACTION; CATHODE MATERIALS; ELECTROCHEMICAL PROPERTIES; SUPERCRITICAL WATER; CARBON NANOTUBES; PHOSPHO-OLIVINES; COMPOSITE; DEPENDENCE;
D O I：
10.1016/j.electacta.2016.10.066
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Hydrothermal LiFePO4 has been successfully synthesized using iron powder as an iron source and as an in situ reducing agent. The 100% atom economy delivered by iron metal (Fe-0) makes this process green and inexpensive. A plausible mechanism for the formation of hydrothermal LiFePO4 powder is also proposed. The structure of the LiFePO4 powder is well characterized by X-ray diffraction, scanning electron microscopy and transmission electron microscopy techniques. The discharge capacity of the LiFePO4 electrode is found to be 165 mAhg(-1) at 0.1 C-rate, and the cycle-life performance is comparable to the conventionally synthesized LiFePO4. (c) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：164 / 168
页数：5
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