Water oxidation has become very popular due to its prime role in water splitting and metal–air batteries. Thus, the development of efficient, abundant, and economical catalysts, as well as electrode ...

X-ray photoelectron spectroscopy (XPS) was used to analyze the oxidation state of the elements present in the material. XPS measurements were performed by using a Kratos Analytical AXIS Supra ...

Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, P. R. China Key Laboratory for ...