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[求助] 固相法问题!!!!

各位大神,我想请问一下,以MnO2,,Li2CO3为原料,按Li4Mn5O12中Mn,Li原子比例称取一定质量固相研磨4h后高温烧结后能得到Li4Mn5O12吗?我做出来虽然是尖晶石型的结构但是xrd检测是三种结构Li1.6Mn1.6O4,Li1.27Mn1.73O4和Li4Mn5O12,并且做出的电池容量极低,只有30多,但是Li4Mn5O12的容量是163啊,为什么容量会这么低,有没有用固相法做出Li4Mn5O12的大神,求解释!!!!
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