NDLI: Hydrothermal synthesis of well-crystallized CuO hierarchical structures and their direct application in high performance lithium-ion battery electrodes without further calcination

Content Provider	Royal Society of Chemistry (RSC)
Author	Zhao, Wenxia Wang, Donghai Liang, Tangwen Yu, Xiao Xu, Ruimei Liu, Yong Wang, Hequan
Copyright Year	2016
Abstract	The search for a facile and energy-saving nanomaterial fabrication technology is of great significance in the area of energy conversion and storage. However, most approaches require high temperature heat treatment to transform nanomaterials from amorphous to crystalline phase or improve their crystallinity. This paper reports a hydrothermal approach for the synthesis of well-crystallized CuO hierarchical structures assembled by intercrossed nanosheets. Time dependent experiments suggest that CuO hierarchical structures followed a rapid nucleation and crystal growth mechanism. Therefore, well-crystallized CuO hierarchical structures can be directly applied as anode for lithium-ion batteries without further calcination. The results show that the uncalcined CuO hierarchical structures could deliver discharge capacities of 575 mA h g−1 at 1C over 100 cycles and 504 mA h g−1 at 2C over 100 cycles, respectively, which were much better than those of calcined ones. This excellent performance can be ascribed to a synergistic effect of their high crystallinity and hierarchical structure containing micro and nano features.
Starting Page	96882
Ending Page	96888
Page Count	7
File Format	HTM / HTML PDF
ISSN	20462069
Volume Number	6
Issue Number	99
Journal	RSC Advances
DOI	10.1039/c6ra20701d
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Copper(II) oxide Lithium-ion battery Hydrothermal synthesis Anode Nanomaterials Calcination Time
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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