Research on preparation of nano sodium vanadium phosphate and its sodium storage properties

Zhang Dongbin; Yuan Xinran; Xin Yanan; Bi Xinqiang; Liu Tianhao; Han Huiguo; Du Guangchao; Teng Aijun

doi:10.7513/j.issn.1004-7638.2024.01.003

Volume 45 Issue 1

Feb. 2024

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Zhang Dongbin, Yuan Xinran, Xin Yanan, Bi Xinqiang, Liu Tianhao, Han Huiguo, Du Guangchao, Teng Aijun. Research on preparation of nano sodium vanadium phosphate and its sodium storage properties[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(1): 12-18. doi: 10.7513/j.issn.1004-7638.2024.01.003

Citation:

Zhang Dongbin, Yuan Xinran, Xin Yanan, Bi Xinqiang, Liu Tianhao, Han Huiguo, Du Guangchao, Teng Aijun. Research on preparation of nano sodium vanadium phosphate and its sodium storage properties[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(1): 12-18. doi: 10.7513/j.issn.1004-7638.2024.01.003

Citation:

Zhang Dongbin, Yuan Xinran, Xin Yanan, Bi Xinqiang, Liu Tianhao, Han Huiguo, Du Guangchao, Teng Aijun. Research on preparation of nano sodium vanadium phosphate and its sodium storage properties[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(1): 12-18. doi: 10.7513/j.issn.1004-7638.2024.01.003

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Research on preparation of nano sodium vanadium phosphate and its sodium storage properties

doi: 10.7513/j.issn.1004-7638.2024.01.003

1.
Ansteel Group Beijing Research Institute Co., Ltd., Beijing 102211, China
2.
Chengdu Advanced Metal Materials Industry Technology Research Institute Co., Ltd., Chengdu 610300, Sichuan, China
3.
Sichuan Panyan Technology Co., Ltd., Panzhihua 617000, Sichuan, China
4.
Pangang Group Research Institute Co.,Ltd., State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization, Panzhihua 617000, Sichuan, China

Received Date: 2023-09-21
Publish Date: 2024-02-01

Abstract

Abstract

Based on the severe preparation conditions, large particle size and poor conductivity, a new method to prepare sodium vanadium phosphate was proposed. By the formation of alkaline vanadium compounds, vanadium hydroxyloxide, and the in-situ anions exchange reactions between PO₄^3–, F^– and OH^–, nano vanadium sodium phosphate was consequently obtained. With the help of XRD, SEM, FTIR, the formation mechanism of nano vanadium sodium phosphate was analyzed, and the synthesis conditions were optimized. The electrochemical test results show that the sodium vanadium phosphate in nanoscale improves the electron/ion transport capacity, and makes the prepared sodium vanadium phosphate show excellent sodium storage performances. When the current density is 10 mA/g, the specific discharge capacity is 106.68 mAh/g. At the same time, the specific discharge capacity of 80.85 mAh/g can be maintained after 20 charge and discharge cycles.
- nano materials,
- sodium vanadium phosphate,
- ion exchange,
- positive electrode materials,
- sodium storage properties

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References(13)

References

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