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

页码：4648 / 4654

页数：7

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