Journal
MATERIALS TODAY COMMUNICATIONS
Volume 4, Issue -, Pages 149-155Publisher
ELSEVIER
DOI: 10.1016/j.mtcomm.2015.06.010
Keywords
Carbon nanotube; Web; Cathode; Lithium-ion batteries
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In lithium-ion batteries, electrodes with well-defined three-dimensional (3D) nanostructure electrodes commonly possess improved lithium ion mass transport, stable cyclability, and excellent high rate performance. In this study, we demonstrate the 3D electrode consisting of web-type carbon nanotube (CNT-web) and LiNi0.4Mn0.3CO0.3O2 (NMC-433) as a cathode for high-performance lithium-ion batteries. The as-prepared three-dimensional nanostructure electrode (web-NMC) contains the CNT-web, which has a highly crystalline structure containing networks of individual nanotubes, and NMC-433 with a well-defined structure and composition. The web-NMC exhibits enhanced electrochemical reaction properties of lithium ions such as high specific capacity (similar to 150 mAh g(-1)), high rate cycling performance, and capacity retention (48%) due to an efficient electron transport path and fast lithium ion transport compared with the conventional structure electrode. (C) 2015 Elsevier Ltd. All rights reserved.
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