参考文献

CO₂ electrolysis to multicarbon products in strong acid

Jianan Erick Huang, Fengwang Li, Adnan Ozden, Armin Sedighian Rasouli, F. Pelayo García de Arquer, Shijie Liu, Shuzhen Zhang, Mingchuan Luo, Xue Wang, Yanwei Lum, Yi Xu, Koen Bertens, Rui Kai Miao, Cao-Thang Dinh, David Sinton, Edward H. Sargent

Science, 2021, 372, 1074-1078, DOI: 10.1126/science.abg6582

https://www.science.org/doi/10.1126/science.abg6582

参见下图D，不同pH条件下的Tafel曲线，发现随着K⁺浓度增加Tafel斜率逐渐减小。斜率的降低并不是因为pH，证明CO₂的吸附过程是反应的决速步