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Citation: Tang Zhi-Yuan, Xue Jian-Jun, Li Jian-Gang, Wang Zhan-Liang. Discharge Process of Insertion Electrodes Controlled by Lithium Ion Diffusion in Solid Materials[J]. Acta Physico-Chimica Sinica, ;2001, 17(06): 526-530. doi: 10.3866/PKU.WHXB20010611 shu

Discharge Process of Insertion Electrodes Controlled by Lithium Ion Diffusion in Solid Materials

1.
School of Chemical Engineering and Technology,Tianjin University,Tianjin　300072

Received Date: 11 December 2000
Available Online: 15 June 2001

We have analyzed the galvanostatic discharge process of insertion electrodes controlled by lithium ion diffusion in solid materials. It is demonstrated by mathematic calculation that the discharge capacity of insertion electrode depends on the value of Q(defined as the ratio of discharge hour rate and diffusion time constant). The galvanostatic discharge curve of spinel LiMn2O4 cathode and graphite anode have been simulated. The effect of particle size on the discharge capacity of spinel LiMn2O4 cathode and graphite anode is evaluated.
- Solid diffusion;Lithium ion battery;Insertion electrode;Discharge capacity;Lithium manganese oxide(LiMn₂O₄);　Graphite
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