期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 685, 期 -, 页码 344-349出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2016.05.335
关键词
Lithium-ion batteries; Sodium-ion batteries; Prussian blue analogues; Cathode material; Co-precipitation method
资金
- Fundamental Research Funds for the Central Universities [FRF-TP-15-002C1]
- National Natural Science Foundation of China [81301345]
A Prussian blue analogue, Na2Co3[Fe(CN)(6)](2), has been fabricated by a facile co-precipitation method at room temperature as a potential cathode material for both lithium-ion and sodium-ion batteries. It found that the Na2Co3[Fe(CN)(6)](2) nanoparticles with a primary particle size of 30-40 nm have been synthesized, and exhibited an excellent electrochemical performance, including a long cycling behavior in lithium-ion batteries and a good rate performance in sodium-ion batteries. In lithium-ion batteries, the Na2Co3[Fe(CN)(6)](2) nanoparticles cathode can deliver an excellent cyclic performance with 73.0% retention of initial capacity after 50 cycles at 50 mA g(-1). Moreover, when Na2Co3[Fe(CN)(6)](2) is used as cathode material of sodium-ion batteries, it exhibits an outstanding rate performance exceeding 75.2% retention of initial capacity after 50 cycles at 200 mA g(-1). Therefore, the Na2Co3[Fe(CN)(6)](2) nanoparticles can be a potential cathode candidate for the application of lithium-ion and sodium-ion batteries due to its excellent electrochemical performance, easy preparation, low cost and environment benefits. (C) 2016 Elsevier B.V. All rights reserved.
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