Fabrication of self-binding noble metal/flexible graphene composite paper

被引：28
作者：
Dai, Yang [1 ,2 ]
Cai, Sendan [1 ,2 ]
Yang, Weijing [1 ,2 ]
Gao, Lei [1 ,2 ]
Tang, Weiping [1 ,2 ]
Xie, Jingying [1 ,2 ]
Zhi, Jia [1 ]
Ju, Xuemei [1 ]
机构：
[1] Shanghai Inst Space Power Sources, Ctr Electrochem Res & Dev, Shanghai 200245, Peoples R China
[2] Shanghai Engn Ctr Power & Energy Storage Syst, Shanghai 200245, Peoples R China
来源：
CARBON | 2012年 / 50卷 / 12期
基金：
上海市科技启明星计划; 中国国家自然科学基金;
关键词：
LITHIUM-ION BATTERIES; OXIDE; ELECTRODE; FILMS; ANODE;
D O I：
10.1016/j.carbon.2012.05.053
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：
Self-binding noble metal (Pt, Au, and Ag)/graphene composite papers as large as 13 cm in diameter were fabricated using a flow-directed method where in situ reduced graphene served as a "binder". The papers were characterized by X-ray diffraction, scanning and transmission electron microscopy, Raman spectroscopy and X-ray photoelectron spectroscopy. This approach yielded well dispersed metals with various nanostructures both on and between the graphene layers to form papers with good conductivity and flexiblility. The 300 degrees C-annealed Ag/graphene papers were evaluated as binder-free anodes for lithium ion batteries, delivering a reversible charge capacity of 689 mAh/g at a current density of 20 mA/g. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4648 / 4654
页数：7
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