期刊
ELECTROCHIMICA ACTA
卷 107, 期 -, 页码 133-138出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2013.05.148
关键词
Lithium ion battery; Cathode material; LiNi1/3Mn1/3Co1/3O2; Powder metallurgy pulverization method
Micro-spherical particle of Ni-Mn-Co alloy was synthesized by powder metallurgy pulverization (PMP) method with Ni, Co and Mn metal as raw materials. Then spherical and dense LiNi1/3Mn1/3Co1/3O2 particle with well-ordered layered structure is obtained by calcining the oxide of Ni-Mn-Co alloy and Li2CO3. The as-prepared material was characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and electrochemical tests. LiNi1/3Mn1/3Co1/3O2 prepared here indicated an initial discharge capacity of 164.4 mAh g(-1) at 0.1 C rate within the voltage range of 2.8-4.3 V. The novel method showed high efficiency and environmental friendly for industrialization. (C) 2013 Elsevier Ltd. All rights reserved.
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