2020年2月7日 星期五

新材料電池理論容量/理論能量密度計算

以鎂碘電池為例


The Gibbs formation energy of MgI2 at standard conditions (298 K, 1 atm) can be calculated (data from NIST webbook)



Complete I2 reduction is accompanied by 2 e transfer per . Therefore, the theoretical capacity of I2 is


The electromotive force (e.m.f.) of the Mg/I2 battery is


The theoretical energy density of I2 cathode is


The theoretical energy density of the Mg/I2 battery based on the total electrode mass is


參考資料:https://www.nature.com/articles/ncomms14083#Sec15

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