N-doped graphene-SnO{sub 2} sandwich paper for high-performance lithium-ion batteries Wang, Xi; Chen, Shimou; Tang, Dai-Ming; Zhai, Tianyou; Li, Liang; Bando, Yoshio; Golberg, Dmitri [International Center for Young Scientists (ICYS) and International Center for Materials, Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, Ibaraki 305-0044 (Japan)]; Cao, Xinqiang; Zhong, Yeteng [Beijing National Laboratory for Molecular Science, Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 (China)]; Bourgeois, Laure [Monash Centre for Electron Microscopy and Department of Materials Engineering, Monash University, VIC 3800 (Australia)]; Guan, Hasigaowa [Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100 (China)]; Li, Huiqiao [Energy Technology Research Institute, National Institute of Advanced Industry and Technology (AIST), Umezono, 1-1-1, Tsukuba (Japan)] 25 ENERGY STORAGE; CARBON; TIN OXIDES; ELECTRIC BATTERIES; PAPER; DOPED MATERIALS; PERFORMANCE; LITHIUM; CHARGE TRANSPORT; NITROGEN; CAPACITY A new facile route to fabricate N-doped graphene-SnO{sub 2} sandwich papers is developed. The 7,7,8,8-tetracyanoquinodimethane anion (TCNQ{sup -}) 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. (Copyright copyright 2012 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim) Available from: http://dx.doi.org/10.1002/adfm.201103110 Germany 2012-07-10 English Journal Article Journal Name: Advanced Functional Materials; Journal Volume: 22; Journal Issue: 13; Other Information: With 10 figs., NA tabs., 53 refs. Medium: X; Size: page(s) 2682-2690 https://doi.org/10.1002/ADFM.201103110 [] 13 22 Journal ID: ISSN 1616-301X; TRN: DE12G8146 DE 2012-12-11 21581489