Controllable synthesis and electrochemical performance of Fe2O3@ graphene foam composite as anode materials for sodium-ion batteries

被引：1

作者：

Wang Lianyang ^{[1
]}

Zhang, Yinling ^{[3
]}

Li Dongping ^{[2
]}

Wang Xin ^{[2
]}

Li Xingyi ^{[1
]}

机构：

[1] Jiamusi Univ, Sch Mat Sci & Engn, Jiamusi 154007, Peoples R China

[2] Harbin Univ Sci & Technol, Sch Mat Sci & Chem Engn, Harbin 150080, Peoples R China

[3] Heilongjiang Acad Mech Sci, Harbin 150080, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2021年 / 16卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Fe2O3; Graphene foam; Anode material; Electrochemical performance; Sodium-ion batteries; LITHIUM-ION; NANOCRYSTALS; FES2;

D O I：

10.20964/2021.10.07

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

We designed and synthesized a new self-supporting composite with Fe2O3 nanorods and three-dimensional graphene foam (GF). Fe2O3 tightly combined with graphene foam can well maintain the microstructure of the electrode, and can effectively reduce the volume expansion problem and improve the cycle stability of the electrode. Graphene foam as a matrix material effectively improves the conductivity of the electrode material, providing a channel for rapid electron transfer. Fe2O3@GF shows better lithium storage performance than electrode materials calcined at 300 degrees C and 500 degrees C, and Fe2O3-400@GF calcined at 400 degrees C shows good cycle stability and high-rate performance, with a retention capacity of 410 mAh.g(-1) at 2 A.g(-1).

引用

页码：1 / 12

页数：12

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