Issue 68, 2020, Issue in Progress
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RSC Advances

The structure-directing role of graphene in composites with porous FeOOH nanorods for Li ion batteries

Hongliang Zhao,ac   Zhifan Song,a   Hanxi Gao,a   Biqian Li,a   Tao Hu,*b   Fengqin Liu ORCID logo *a  and  Hong Yong Sohnc  

* Corresponding authors

a School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China
E-mail: liufq@ustb.edu.cn

b Shanghai Energy New Materials Technology Co., Ltd., Shanghai 201399, China
E-mail: hutao@SEMCORPGlobal.com

c Department of Materials Science and Engineering, The University of Utah, Salt Lake City, Utah 84112, USA

Abstract

Graphene sheets that contain porous iron oxides including Fe2O3 and FeOOH nanorods were synthesized via a one-step hydrothermal route. A novel mechanism for controlling the structure of graphene-based composites was developed. Porous FeOOH nanorods with a high capacity for electron- and ion-transport were synthesized by controlling the composition of GO dispersion. The synthesized graphene/FeOOH composite anode exhibited an excellent electrochemical performance in which a reversible capacity of 304 mA h g−1 was reached with nearly 100% coulombic efficiency after 1000 cycles of charge and discharge under a high current rate of 5 A g−1.

Graphical abstract: The structure-directing role of graphene in composites with porous FeOOH nanorods for Li ion batteries

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Article information

DOI
https://doi.org/10.1039/D0RA07125K
Article type
Paper
Submitted
19 Aug 2020
Accepted
03 Nov 2020
First published
12 Nov 2020
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2020,10, 41403-41409

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The structure-directing role of graphene in composites with porous FeOOH nanorods for Li ion batteries

H. Zhao, Z. Song, H. Gao, B. Li, T. Hu, F. Liu and H. Y. Sohn, RSC Adv., 2020, 10, 41403 DOI: 10.1039/D0RA07125K

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