Sandwich-like MnOx/MnN0.84/Mn Electrode toward Improved Electrocatalytic Oxygen Evolution in Acidic Media
Zhiqiang Xu,
Weiguang Ma,
Guifa Long
et al.
Abstract:Developing efficient and robust noble-metal-free electrocatalysts capable of catalyzing water oxidation in acidic media is highly desirable for producing H 2 while it remains a great challenge. Herein, a selfsupported MnO x /MnN 0.84 /Mn electrode with a sandwich-like configuration was prepared by consecutive steps involving a nitridation treatment and an in situ electrochemical activation process. The electrode requires overpotentials of ca. 475 and 571 mV at current densities of 10 and 100 mA cm −2 , respect… Show more
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