N-Doped Graphene-SnO2 Sandwich Paper for High-Performance Lithium-Ion Batteries

被引：512
|
作者：
Wang, Xi [1 ,2 ]
Cao, Xinqiang [3 ]
Bourgeois, Laure [4 ,5 ]
Guan, Hasigaowa [6 ]
Chen, Shimou [1 ,2 ]
Zhong, Yeteng [3 ]
Tang, Dai-Ming [1 ,2 ]
Li, Huiqiao [7 ]
Zhai, Tianyou [1 ,2 ]
Li, Liang [1 ,2 ]
Bando, Yoshio [1 ,2 ]
Golberg, Dmitri [1 ,2 ]
机构：
[1] Natl Inst Mat Sci, ICYS, Tsukuba, Ibaraki 3050044, Japan
[2] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton MANA, Tsukuba, Ibaraki 3050044, Japan
[3] Chinese Acad Sci, Beijing Natl Lab Mol Sci, Key Lab Photochem, Inst Chem, Beijing 100190, Peoples R China
[4] Monash Univ, Monash Ctr Elect Microscopy, Clayton, Vic 3800, Australia
[5] Monash Univ, Dept Mat Engn, Clayton, Vic 3800, Australia
[6] Ocean Univ China, Key Lab Marine Chem Theory & Technol, Minist Educ, Qingdao 266100, Peoples R China
[7] Natl Inst Adv Ind & Technol AIST, Energy Technol Res Inst, Tsukuba, Ibaraki 3058568, Japan
来源：
ADVANCED FUNCTIONAL MATERIALS | 2012年 / 22卷 / 13期
关键词：
graphene; batteries; doping; charge transport; CHEMICAL-VAPOR-DEPOSITION; ENERGY-STORAGE; ANODE MATERIAL; CYCLIC PERFORMANCE; CAPACITY; OXIDE; NANOSHEETS; NANOPARTICLES; GROWTH; ARRAYS;
D O I：
10.1002/adfm.201103110
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new facile route to fabricate N-doped graphene-SnO2 sandwich papers is developed. The 7,7,8,8-tetracyanoquinodimethane anion (TCNQ-) plays a key role for the formation of such structures as it acts as both the nitrogen source and complexing agent. If used in lithium-ion batteries (LIBs), the material exhibits a large capacity, high rate capability, and excellent cycling stability. The superior electrochemical performance of this novel material is the result from its unique features: excellent electronic conductivity related to the sandwich structure, short transportation length for both lithium ions and electrons, and elastomeric space to accommodate volume changes upon Li insertion/extraction.
引用
收藏
页码：2682 / 2690
页数：9
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