Preparation and characterization of carbon-coated Li[Ni1/3Co1/3Mn1/3]O2 cathode material for lithium-ion batteries |
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| Authors: | Bin Lin Zhaoyin Wen Xiuyan Wang Yu Liu |
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| Institution: | (1) CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 DingXi Road, Shanghai, 200050, People’s Republic of China; |
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| Abstract: | The carbon-coated LiNi1/3Co1/3Mn1/3]O2 was synthesized from the porous LiNi1/3Co1/3Mn1/3]O2 precursor using citric acid as the carbon source. The electrochemical results showed that both cycling performance and rate
capability were improved by the carbon-coating of the LiNi1/3Co1/3Mn1/3]O2 materials. It is proposed that the enhanced electrochemical properties by the carbon-coating are attributed to the increased
electronic conductivity because the carbon distributed among the surfaces of spherical LiNi1/3Co1/3Mn1/3]O2 powders favored the transference of electron and reduced cell polarization. |
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