Since the introduced metal and nonmetal elements can modify electronic structure, graphite structure and surface of the carbonaceous materilas,their reversible capacity and cycle properties are improved.

• 通过引入金属和非金属元素，碳材料的可逆容量、循环性能有了一定提高，这主要是碳材料的电子状态、石墨结构和表面有明显的改善。