摘要
详细综述了锂离子电池正极材料锂镍氧的制备方法, 探讨了不同离子对的掺杂改性作用和表面修饰对材料性能的影响. 如果严格控制合成条件、优化合成工艺, 可以合成近乎化学计量的LiNiO_2. 通过混合掺杂改性和表面修饰, 可以制备出循环性能好、充放电容量大、热稳定性高的锂镍氧正极材料.
Recent advances in synthesis of cathode material for Lithium-ion batteries were reviewed in detail. Effects of different doped-ions and surface modifications on the properties of materials were discussed. Stoichiometric LiNiO_2 phase can be obtained by controlling the synthesis conditions carefully and optimizing the synthesis technologies. Solid solutions of the cathode material with high charge-discharge capacity, excellent recycling and good thermal stability can be obtained by co-doping and surface modification technology.
出处
《材料与冶金学报》
CAS
2005年第1期30-35,共6页
Journal of Materials and Metallurgy
基金
辽宁省科技厅支持项目 (2003224005).
关键词
锂离子电池
正极材料
锂镍氧
修饰
lithium-ion batteries
cathode material
LiNiO_2
modification
