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

页码：164 / 168

页数：5

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