Porous Mn3O4 nanorod/reduced graphene oxide hybrid paper as a flexible and binder-free anode material for lithium ion battery

被引：53
作者：
Park, Seung-Keun [1 ,2 ]
Seong, Chae-Yong [1 ]
Yoo, Suyeon [1 ]
Piao, Yuanzhe [1 ,2 ,3 ]
机构：
[1] Seoul Natl Univ, Grad Sch Convergence Sci & Technol, Program Nano Sci & Technol, 145 Gwanggyo Ro, Suwon 443270, Gyeonggi Do, South Korea
[2] Adv Inst Convergence Technol, 145 Gwanggyo Ro, Suwon 443270, Gyeonggi Do, South Korea
[3] Inst for Basic Sci Korea, Ctr Nanoparticle Res, Daejeon, South Korea
来源：
ENERGY | 2016年 / 99卷
关键词：
Lithium ion battery; Anode; Porous structure; Manganese oxide; Free-standing graphene paper; HIGH-PERFORMANCE; HIGH-CAPACITY; COMPOSITE; NANOPARTICLES; NANOSPHERES; NANOSHEETS; STORAGE; ELECTRODES; CAPABILITY; RETENTION;
D O I：
10.1016/j.energy.2016.01.061
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A highly flexible and free-standing, porous Mn3O4 nanorod/reduced graphene oxide (pMn(3)O(4) NR/rGO) paper was prepared by a two-step process: vacuum filtration and thermal treatment. The MnOOH nanorod/graphene oxide (MnOOH NR/GO) paper obtained by a simple filtration method is transformed into pMn(3)O(4) NR/rGO paper after a thermal reduction process. A unique lamellar structure was achieved with pMn(3)O(4) NR homogeneously intercalated within the GO layers. In the hybrid structure, graphene nanosheets provide a conductive pathway and act as the buffer layers to prevent the pulverization of pMn(3)O(4) NRs during reaction. Therefore, when used as the anode in lithium ion batteries, this pMn(3)O(4) NR/rGO paper exhibits a first high discharge capacity of 943 mA h g(-1), which quickly stabilizes and remains at 573 mA h g(-1) even after 100 cycles at 100 mA h g(-1), which is much higher than the discharge capacity of the corresponding pristine graphene paper (183 mA h g(-1)). (C) 2016 Elsevier Ltd. All rights reserved.
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页码：266 / 273
页数：8
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