Facile synthesis of α-Fe2O3 nanoparticles on porous human hair-derived carbon as improved anode materials for lithium ion batteries

被引：52

作者：

Dong, Hui ^{[1
]}

Zhang, Huang ^{[2
]}

Xu, Yunlong ^{[1
]}

Zhao, Chongjun ^{[1
]}

机构：

[1] E China Univ Sci & Technol, Sch Mat Sci & Engn, Shanghai 200237, Peoples R China

[2] Katholieke Univ Leuven, Dept Mat Engn MTM, B-3001 Leuven, Belgium

来源：

JOURNAL OF POWER SOURCES | 2015年 / 300卷

关键词：

Hematite; Human hair; Porous carbon; Ultrahigh capacity; Rate capability; HIGH-PERFORMANCE; ELECTROCHEMICAL PERFORMANCE; FE2O3; NANOPARTICLES; COMPOSITE; GRAPHENE; SIZE; NANOFIBERS; CAPACITY; NANORODS; OXIDES;

D O I：

10.1016/j.jpowsour.2015.09.057

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A hybridized composite material of alpha-Fe2O3 nanoparticles/human hair-derived carbon (HHC) is prepared using a facile two-step method combined carbonization of human hair with homogeneous precipitation under microwave irradiation. Results show that the uniform alpha-Fe2O3 nanoparticles were highly dispersed on the surface of porous human hair-derived carbon. As an anode material for Li-ion batteries, it retains a reversible capacity of 1000 mAh g-lafter 200 cycles at 0.2 C. A discharge capacity higher than 750 mAh gland 550 inAh g(-1) is also recorded at 1 C and 2 C after 200 cycles, respectively. Such superior electrochemical performance of alpha-Fe2O3/HHC composite could be attributed to the favorable structure of HHC, which can improve the electron and lithium ion transport ability as anode. This study provides a cost-effective, highly efficient means to fabricate materials which combine keratin wastes-derived carbon with active nanoparticles for the development of high-performance lithium-ion battery materials. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：104 / 111

页数：8

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