期刊
CERAMICS INTERNATIONAL
卷 44, 期 14, 页码 16219-16226出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2018.06.002
关键词
ZnCo2O4; Binder-free anode; Lithium ion batteries
资金
- New Century Talent Support Plan of the Ministry of Education of China [2007NCET-07-0723]
- National Natural Science Foundation of China [60936003]
- Aviation Science Foundation of China [2008ZH68002]
Nickle foam-supported hierarchical ZnCo2O4 nanosheets was prepared via a facile solution-based method. Porous ZnCo2O4 nanosheets were in-situ grown on current collector, forming a binder-free electrode. When evaluated as anode for Lithium ion batteries (LIBs), the binder-free electrode showed an attractive electrochemical performance. A reversible capacity of 773 mAh g(-1) could be stably delivered after a 500-cycle test at a current density of 0.25 A g(-1), with a high capacity retention of 87%. The electrode could maintain a high reversible capacity of 245 mA h g(-1) even at an elevated current density of 8.0 A g(-1). Integrated structure and rich porosity of the binder-free electrode were believed to contribute to the superior performance. Thus, the Nickle foam-supported ZnCo2O4 electrode is a promising anode for high performance LIBs in the coming future.
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