The strengths of ionic and covalent bonds mainly decrease in LiMPO_4 from Mn to Ni, and the variations of density of state(DOS) show that the electronic conductivity should be increased from Mn to Ni.

• 从LiMnPO_4到LiNiPO_4, 离子键和共价键强度都降低，再加上态密度的比较都表明，从LiMnPO_4到LiNiPO_4电导率逐渐升高，这与实验结果一致。