The electrocatalytic oxygen evolution reaction(OER)plays a critical role in the hydrogen energy industry[1–3].However,multiple electron transfer results in a sluggish kinetic process in the OER[4].The development of ...The electrocatalytic oxygen evolution reaction(OER)plays a critical role in the hydrogen energy industry[1–3].However,multiple electron transfer results in a sluggish kinetic process in the OER[4].The development of high-efficiency and low-cost OER catalysts is one of the keys to accelerating the kinetic process and widening practical OER applications.The spineltype transition-metal oxides(AB_(2)O_(4))have been used as OER electrocatalysts because of their potential activity and stability as the substitute of precious metals in the alkaline OER process[5].However,the electrochemical activity is limited by the less reactive sites and poor electrical conductivity owing to unsuitable geometric and electronic structures.展开更多
基金financially supported by the National Natural Science Foundation of China (61774033)。
文摘The electrocatalytic oxygen evolution reaction(OER)plays a critical role in the hydrogen energy industry[1–3].However,multiple electron transfer results in a sluggish kinetic process in the OER[4].The development of high-efficiency and low-cost OER catalysts is one of the keys to accelerating the kinetic process and widening practical OER applications.The spineltype transition-metal oxides(AB_(2)O_(4))have been used as OER electrocatalysts because of their potential activity and stability as the substitute of precious metals in the alkaline OER process[5].However,the electrochemical activity is limited by the less reactive sites and poor electrical conductivity owing to unsuitable geometric and electronic structures.