溶胶-凝胶法在锂离子电池正极材料制备中的应用与发展

Research Progress of Cathode Materials for Lithium Ion Batteries Prepared by Sol-Gel Methods

分别介绍了锂钴氧化物、锂镍氧化物、锂锰氧化物、多元复合层状氧化物及磷酸铁锂的溶胶-凝胶法合成。探讨了采用不同元素掺杂来提高比容量和循环稳定性的改性方法。提出了目前溶胶-凝胶法在锂离子电池正极材料制备中存在的问题,并展望了它未来的发展趋势。

Described the sol gel synthesis, such as lithium cobalt oxides, lithium nickel oxides, lithium manga nese oxides, layered multi-element composite oxides and lithium iron phosphate. Especially, the different elements do ping to improve the reversible capacity and cycle property are discussed. Some problems about the preparation of ca rhode materials by sol-gel methods and further directions are pointed out.