support from the National Natural Science Foundation of China(Nos.21878202,21975175,and U1932119);the research project supported by Shanxi Scholarship Council of China(No.2017-041);the Natural Science Foundation of Shanxi Province(No.201801D121052);the National Key Basic Research Program of China(No.2017YFA0403402).
Oxygen evolution reaction(OER)is crucial for hydrogen production as well as other energy storage technologies.CoFe-layered double hydroxide(CoFe-OH)has been widely considered as one of the most efficient electrocataly...