中文摘要：

锂离子电池的发展与其负极材料、正极材料和电解质材料的发展相关。本文对锂离子电池的关键材料及其发展进行阐述，以便能够更好的研究和改善电池的性能。

英文摘要：

The development of lithium ion batteries is related to that of negative materials, positive materials and electrolytes. The key materials of the batteries and their development are introduced, so that the batteries can be better improved.