Lithium iron phosphate is considered as a new generation cathode material used for lithium ion batteries. It plays an important role in the new generation lithium-ion battery due to the following advantages:

1. High theoretical capacity(more than 140mAh/g) and excellent cycle life(more than 2000 cycle);
2. High thermal stability of the material and higher intrinsic safety of batteries using this material;
3. Have the more lower price than lithium cobalt dioxide;
4. Environmentally friendly;