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A Self-Standing and Flexible Electrode of Li4Ti5O12 Nanosheets with a N-Doped Carbon Coating for High Rate Lithium Ion Batteries
N. Li; G. M. Zhou; F. Li; L. Wen; H. M. Cheng
2013
Source PublicationAdvanced Functional Materials
ISSN1616-301X
Volume23Issue:43Pages:5429-5435
AbstractFlexible energy-storage devices have attracted growing attention with the fast development of bendable electronic systems. Thus, the search for reliable electrodes with both high mechanical flexibility and excellent electron and lithium-ion conductivity has become an urgent task. Carbon-coated nanostructures of Li4Ti5O12 (LTO) have important applications in high-performance lithium ion batteries (LIBs). However, these materials still need to be mixed with a binder and carbon black and pressed onto metal substrates or, alternatively, by be deposited onto a conductive substrate before they are assembled into batteries, which makes the batteries less flexible and have a low energy density. Herein, a simple and scalable process to fabricate LTO nanosheets with a N-doped carbon coating is reported. This can be assembled into a film which can be used as a binder-free and flexible electrode for LIBs that does not require any current collectors. Such a flexible electrode has a long life. More significantly, it exhibits an excellent rate capability due to the thin carbon coating and porous nanosheet structures, which produces a highly conductive pathway for electrons and fast transport channels for lithium ions.
description.department[li, na ; zhou, guangmin ; li, feng ; wen, lei ; cheng, hui-ming] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. [li, na] univ sci & technol china, sch chem & mat sci, dept mat sci & engn, hefei 230026, peoples r china. ; li, n (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china. ; fli@imr.ac.cn ; cheng@imr.ac.cn
KeywordFlexible Electrode Li4ti5o12 Lithium Ion Battery Nanosheets Anode Material Performance Storage Spinel Paper Composite Insertion Capacity Nanocomposite Architectures
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72320
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
N. Li,G. M. Zhou,F. Li,et al. A Self-Standing and Flexible Electrode of Li4Ti5O12 Nanosheets with a N-Doped Carbon Coating for High Rate Lithium Ion Batteries[J]. Advanced Functional Materials,2013,23(43):5429-5435.
APA N. Li,G. M. Zhou,F. Li,L. Wen,&H. M. Cheng.(2013).A Self-Standing and Flexible Electrode of Li4Ti5O12 Nanosheets with a N-Doped Carbon Coating for High Rate Lithium Ion Batteries.Advanced Functional Materials,23(43),5429-5435.
MLA N. Li,et al."A Self-Standing and Flexible Electrode of Li4Ti5O12 Nanosheets with a N-Doped Carbon Coating for High Rate Lithium Ion Batteries".Advanced Functional Materials 23.43(2013):5429-5435.
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