Study on Mo-doped of Li1.18Ni1/3Co1/3Mn1/3O2 Lithium-rich Ternary Cathode Materials

doi:10.1088/1755-1315/153/2/022025

CORC > 兰州理工大学 > 兰州理工大学 > 石油化工学院

	Study on Mo-doped of Li1.18Ni1/3Co1/3Mn1/3O2 Lithium-rich Ternary Cathode Materials
	Feng, Yaohua; Li, Chunlei; Li, Shiyou; Ai, Ling
	2018
卷号	153
DOI	10.1088/1755-1315/153/2/022025
英文摘要	The layered Li-1.18(Ni1/3Co1/3Mn1/3O2)(1-x)MoxO2 cathode material was prepared by mixing lithium carbonate with precursor-nickel cobalt manganese hydroxide complex which was prepared by co-precipitation method with Mo-doped. The physical and chemical parameters, crystal structure, morphology and electrochemical properties were investigated by ICP analysis, X-ray diffraction, SEM and electrochemical tests, respectively. XRD results showed that doping Mo had no effect on the structure of pristine materials. However, the second phase of Li2MoO4 was dissected until the Mo loading reached 4 at%. The SEM images exhibited that the primary particles size decreased with the increase of Mo loading. Electrochemical measurements showed that the high rate discharge capability and cycle stability of the material can be improved significantly by a small amount of Mo (2 at%). The sample with 2 at% Mo-doped amount exhibited a high initial discharge capacity of 146.3 mAh g(-1) at 0.3C rate under the voltage range of 2.5 similar to 4.2V, as well as better cycle stability after 50 cycles. Therefore, Mo-doped is a useful method to improve large current discharge capability of the lithium insertion nickel cobalt manganese oxides.
会议录	2018 2ND INTERNATIONAL WORKSHOP ON RENEWABLE ENERGY AND DEVELOPMENT (IWRED 2018)
会议录出版者	IOP PUBLISHING LTD
会议录出版地	DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
语种	英语
资助项目	Natural Science Foundation of China[21566021] ; Transformation of Scientific and Technological Achievements of Gansu Institutions of Higher Education[2017D-04]
WOS研究方向	Science & Technology - Other Topics ; Energy & Fuels
WOS记录号	WOS:000446795200025
内容类型	会议论文
源URL	[http://119.78.100.223/handle/2XXMBERH/36159]
专题	石油化工学院
通讯作者	Li, Chunlei
作者单位	Lanzhou Univ Technol, Coll Petrochem Technol, Lanzhou 730050, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Feng, Yaohua,Li, Chunlei,Li, Shiyou,et al. Study on Mo-doped of Li1.18Ni1/3Co1/3Mn1/3O2 Lithium-rich Ternary Cathode Materials[C]. 见:.