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	Synthesis and charge-discharge characteristics of polycrystalline LiNi1-xCoxO2 (0 <= x <= 0.5) as a cathode material for lithium rechargeable batteries
	Li, XL ; Kang, FY ; Shen, WC ; Shi, XJ
	2010-05-10 ; 2010-05-10
会议名称	HIGH-PERFORMANCE CERAMICS III, PTS 1 AND 2 ; 3rd China International Conference on High-Performance Ceramics (CICC-3) ; Shenzhen, PEOPLES R CHINA ; Web of Science
关键词	sol-gel LiNi1-xCoxO2 cathode material lithium rechargeable battery SOL-GEL SYNTHESIS ELECTROCHEMICAL PROPERTIES SECONDARY BATTERY ION BATTERIES LINIO2 Materials Science, Ceramics Materials Science, Composites
中文摘要	The synthesis and electrochemical characteristics of LNi1-xCOxO2 (0less than or equal to x less than or equal to 0.5) used as the promising cathode materials for lithium rechargeable batteries were investigated. The LiNi1-xCoxO2 was prepared by a soft chemistry route in which citric acid was used as the chelating agent to make the sol-gel precursor, then was calcined in oxygen atmosphere at the calcination temperature of 800degreesC for 12 h. Polycrystalline LiNi1-xCoxO2 possesses a hexagonal lattice of the alpha-NaFeO2 type characterized by using X-ray diffraction. The discharge capacity of LiNi0.8Co0.2O2 was 169.1 mAh/g with the efficiency of 90.5% in the first cycle and 162.1 mAh/g with only 4% capacity fading in the 10(th) cycle at 0.2 C rate over a potential range of 3.0-4.2 V.
会议录出版者	TRANS TECH PUBLICATIONS LTD ; ZURICH-UETIKON ; BRANDRAIN 6, CH-8707 ZURICH-UETIKON, SWITZERLAND
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/18510]
专题	清华大学
推荐引用方式 GB/T 7714	Li, XL,Kang, FY,Shen, WC,et al. Synthesis and charge-discharge characteristics of polycrystalline LiNi1-xCoxO2 (0 <= x <= 0.5) as a cathode material for lithium rechargeable batteries[C]. 见:HIGH-PERFORMANCE CERAMICS III, PTS 1 AND 2, 3rd China International Conference on High-Performance Ceramics (CICC-3), Shenzhen, PEOPLES R CHINA, Web of Science.

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