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

被引：515

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

页码：2682 / 2690

页数：9

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