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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
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.
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页码:164 / 168
页数:5
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