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Effect of calcination temperature on characteristics of LiNi_(1/3)Co_(1/3)Mn_(1/3)O_2 cathode for lithium ion batteries 被引量：2

Effect of calcination temperature on characteristics of LiNi_(1/3)Co_(1/3)Mn_(1/3)O_2 cathode for lithium ion batteries
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摘要 LiNi1/3Co1/3Mn1/3O2 was synthesized by sol-gel method and effect of calcination temperature on characteristics of LiNi1/3Co1/3Mn1/3O2 cathode was investigated. The structure and characteristics of LiNi1/3Co1/3Mn1/3O2 were determined by XRD, SEM and electrochemical measurements. The results show that the compound LiNi1/3Co1/3Mn1/3O2 has layered structure with hexagonal lattice. With the increase of calcination temperature, the basicity of the material decreases, and the size of primary particle rises. The LiNi1/3Co1/3Mn1/3O2 calcined at 900 ℃ for 12 h shows excellent electrochemical performances with large reversible specific capacity of 157.5 mA·h/g in the voltage range of 2.75-4.30 V and good capacity retention of 94.03% after 20 charge/discharge cycles. Capacity of LiNi1/3Co1/3Mn1/3O2 increases with enhancement of charge voltage limit, and specific discharge capacities of 179.4 mA·h/g, 203.1 mA·h/g are observed when the charge voltages limit are fixed at 4.50 V and 4.70 V, respectively. LiNi1/3Co1/3Mn1/3O2 was synthesized by sol-gel method and effect of calcination temperature on characteristics of LiNi1/3Co1/3Mn1/3O2 cathode was investigated. The structure and characteristics of LiNi1/3Co1/3Mn1/3O2 were determined by XRD, SEM and electrochemical measurements. The results show that the compound LiNi1/3Co1/3Mn1/3O2 has layered structure with hexagonal lattice. With the increase of calcination temperature, the basicity of the material decreases, and the size of primary particle rises. The LiNi1/3Co1/3Mn1/3O2 calcined at 900 ℃ for 12 h shows excellent electrochemical performances with large reversible specific capacity of 157.5 mA-h/g in the voltage range of 2.75-4.30 V and good capacity retention of 94.03% after 20 charge/discharge cycles. Capacity of LiNi1/3Co1/3Mn1/3O2 increases with enhancement of charge voltage limit, and specific discharge capacities of 179.4 mA.h/g, 203.1 mA.h/g are observed when the charge voltages limit are fixed at 4.50 V and 4.70 V, respectively.
作者 郭华军 梁如福 李新海 张新明 王志兴 彭文杰 王朝
机构地区 School of Metallurgical Science and Engineering School of Materials Science and Engineering
出处 《中国有色金属学会会刊：英文版》 EI CSCD 2007年第6期1307-1311,共5页 Transactions of Nonferrous Metals Society of China
基金 Project (2007CB613607) supported by the National Basic Research Program of China Project (2005037698) supported by the Postdoctoral Science Foundation of China
关键词 锂离子电池 阴极 LINI1/3CO1/3MN1/3O2 温度 lithium ion battery LiNi1/3Co1/3Mn1/3O2 sol-gel cathode
分类号 TM911 [电气工程—电力电子与电力传动]
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参考文献15

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同被引文献14

  • 1Li, Xiaowei, Lin, Yingbin, Liin, Ying, Lai, Heng, Huang, Zhigao.Surface modification of LiNi_(1/3)Co_(1/3)Mn_(1/3)O_2 with Cr_2O_3 for lithium ion batteries[J].Rare Metals,2012,31(2):140-144. 被引量：4
  • 2刘水香,张海朗.Cl掺杂对LiNi_(1/3)Co_(1/3)Mn_(1/3)O_2正极材料结构及电化学性能的影响[J].稀有金属材料与工程,2013,42(S2):296-300. 被引量：4
  • 3Meng Hu,Xiaoli Pang,Zhen Zhou.Recent progress in high-voltage lithium ion batteries[J].Journal of Power Sources.2013
  • 4Sang-Hyuk Lee,Chong Seung Yoon,Khalil Amine,Yang-Kook Sun.Improvement of long-term cycling performance of Li[Ni 0.8 Co 0.15 Al 0.05 ]O 2 by AlF 3 coating[J].Journal of Power Sources.2013
  • 5Jin-Hwa Kim,Min-Sik Park,Jun-Ho Song,Dong-Jin Byun,Young-Jun Kim,Jeom-Soo Kim.Effect of aluminum fluoride coating on the electrochemical and thermal properties of 0.5Li 2 MnO 3 ·0.5LiNi 0.5 Co 0.2 Mn 0.3 O 2 composite material[J].Journal of Alloys and Compounds.2011
  • 6Yansong Bai,Xianyou Wang,Shunyi Yang,Xiaoyan Zhang,Xiukang Yang,Hongbo Shu,Qiang Wu.The effects of FePO 4 -coating on high-voltage cycling stability and rate capability of Li[Ni 0.5 Co 0.2 Mn 0.3 ]O 2[J].Journal of Alloys and Compounds.2012
  • 7Charl J. Jafta,Kenneth I. Ozoemena,Mkhulu K. Mathe,Wiets D. Roos.Synthesis, characterisation and electrochemical intercalation kinetics of nanostructured aluminium-doped Li[Li 0.2 Mn 0.54 Ni 0.13 Co 0.13 ]O 2 cathode material for lithium ion battery[J].Electrochimica Acta.2012
  • 8Kai Yang,Li-Zhen Fan,Jia Guo,Xuanhui Qu.Significant improvement of electrochemical properties of AlF 3 -coated LiNi 0.5 Co 0.2 Mn 0.3 O 2 cathode materials[J].Electrochimica Acta.2012
  • 9K. Mahesh,H. Manjunatha,T. Venkatesha,G. Suresh.Study of lithium ion intercalation/de-intercalation into LiNi1/3Mn1/3Co1/3O2 in aqueous solution using electrochemical impedance spectroscopy[J].Journal of Solid State Electrochemistry.2012(9)
  • 10Yang‐KookSun,Min‐JoonLee,Chong S.Yoon,JusefHassoun,KhalilAmine,BrunoScrosati.The Role of AlF<sub>3</sub> Coatings in Improving Electrochemical Cycling of Li‐Enriched Nickel‐Manganese Oxide Electrodes for Li‐Ion Batteries[J].Adv Mater.2012(9)

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中国有色金属学会会刊：英文版
2007年 第6期

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