Preparation of Waxberry-Like Carbon-Coated Fe3O4 Composites and Exploration on Performance of Lithium-ion Battery Anode

被引：0

作者：

Wu Z. ^{[1
]}

Wang X. ^{[2
]}

Wang S. ^{[2
]}

Yin Y. ^{[2
]}

Liang X. ^{[2
]}

Zhang B. ^{[2
]}

Huang R. ^{[2
]}

Yi T. ^{[2
]}

Zhu S. ^{[2
]}

Qin Z. ^{[2
]}

Chen Z. ^{[2
]}

机构：

[1] School of Chemistry and Chemical Engineering, Guangxi University, Nanning

[2] Guangxi Key Laboratory of Green Chemical Materials and Safety Technology, Beibu Gulf University, Qinzhou

来源：

Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering | 2024年 / 40卷 / 03期

关键词：

anode material; Fe3O4; L-arginine polymer; lithium-ion batteries; waxberry-like;

D O I：

10.16865/j.cnki.1000-7555.2024.0054

中图分类号：

学科分类号：

摘要：

Fe3O4 is considered as potential anode material for lithium- ion batteries with excellent lithium storage performance, but there are still issues of poor conductivity and volume expansion during charging and discharging. In this paper, L- arginine, p- phenylenediamine, and iron(III) nitrate nonahydrate were used as raw materials to synthesize iron-doped L-arginine polymer (W-Fe3O4@NC precursor) through solvent thermal reaction. Subsequently, the waxberry-like carbon-coated Fe3O4 composite (W-Fe3O4@NC) was prepared by carbonization of the W- Fe3O4@NC precursor. The morphology, surface chemical structure, porosity, and electrochemical performance as lithium-ion battery anode of W-Fe3O4@NC were characterized. Benefit from the unique waxberry-like shape, beneficial nitrogen doped, highly dispersed Fe3O4 nanoparticles, and uniform carbon coating, the specific capacity of W-Fe3O4@NC reaches to 815.1 mAh/g after 800 cycles at a current density of 1 A/g and still remains 232 mAh/g at a current density of 5 A/g, which surpass those of NC and commercial Fe3O4 nanoparticles, demonstrating excellent cycling stability and rate performance. © 2024 Sichuan University. All rights reserved.

引用

页码：153 / 162

页数：9

共 23 条

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