想问一下,Angew. Chem. Int. Ed. 2013, 52, 2 – 18,Lithium–Sulfur Batteries: Electrochemistry, Materials, and Prospects
这篇文章里面有句话,
Upon discharging, S reacts with Li by a two-electron reduction
process to form polysulfide intermediates (Li 2 S x , x = 2–8), and
to generate Li sulfide (Li 2 S) at the end of discharge. This
process is accompanied by an increase in cathode electro-
chemical potential (Figure 1b) until the battery reaches the
terminal voltage (F, normally 1.5 V). The reverse reaction
occurs when an external electric field with a certain potential
difference is applied, leading to the decomposition of Li 2 S
back to Li and S. During this time, the cathode electro-
chemical potential gradually decreases till the battery voltage
returns to F oc (Figure 1c).
这句话里,S嵌锂的过程,为什么是电极电位升高?这样的话根据能斯特方程好像解释不通啊,对于整个电池电压也不一致啊,怎么理解,
这篇综述是大牛写的。。。。
![关于锂硫电池的电极电势变化分析]()
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