Our group fabricated CeO₂-modified La_0.75Sr_0.25Cr_0.5Mn_0.5O_3-d-Gd_0.1Ce_0.9O_1.95 cathodes to improve CO₂ electrochemical reduction performance by infiltration method. This work has been published in ACS Sustainable Chemistry & Engineering, 2019, 7, 9629-9636.