欢迎登录材料期刊网

材料期刊网

高级检索

采用sol-gel法进行前驱体制备,合成表面包覆掺Co的正极材料.产物的电化学性能优良,以0.2C倍率进行充放电循环测试,可逆比容量超过190mAh/g、循环30周的容量保持率达96%以上.为了得到合成简便、成本低廉、性能优良的锂离子电池正极材料,本文研究了合成工艺对LixNi1-xCoxO2的电化学性能的影响;

参考文献

[1] Yang-Kook Sun;In-Hwan Oh .Synthesis of LiNiO2 powders by a sol-gel method[J].Journal of Materials Science Letters,1997(1):30-32.
[2] A. Rougier;I. Saadoune;P. Gravereau;P. Willmann;C. Delmas .Effect of cobalt substitution on cationic distribution in LiNi_(1 - y)Co_yO_2 electrode materials[J].Solid state ionics,1996(1/4):83-90.
[3] Yang-Kook Sun .Cycling behaviour of LiCoO_2 cathode materials prepared by PAA-assisted sol-gel method for rechargeable lithium batteries[J].Journal of Power Sources,1999(1/2):223-226.
[4] Kweon H J.Synthesis of LiNi0. 85Co0. 15O2 by the PVAprecursor method and charge-discharge characteristics of a lithium ion battery using this material as cathode[J].Journal of Power Sources,1994(83):84-92.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%