It is highly desired to enhance the catalytic activity of MnO₂ for the oxygen evolution reaction (OER) in alkaline media. Herein we report the development of MnO₂-CoP₃ nanowires array on Ti mesh (MnO₂-CoP₃/Ti) as an efficient 3D OER electrocatalyst with good stability under basic conditions. In 1.0 M KOH, the MnO₂-CoP₃/Ti requires a current density of 10 mA cm^− 2 at overpotential of only 288 mV, which is 120 mV less than that for MnO₂/Ti. In addition, such MnO₂-CoP₃/Ti also exhibits high long-term electrochemical durability.

中文翻译：

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MnO ₂ -CoP ₃纳米线阵列：一种用于增强活性的碱性氧释放反应的有效电催化剂

迫切需要增强MnO ₂在碱性介质中对氧释放反应（OER）的催化活性。在本文中，我们报告了在Ti网孔上（MnO ₂ -CoP ₃ / Ti）上MnO ₂ -CoP ₃纳米线阵列的发展，它是一种在基本条件下具有良好稳定性的有效3D OER电催化剂。在1.0 M KOH中，MnO ₂ -CoP ₃ / Ti在仅288 mV的过电势下需要10 mA cm ^-2的电流密度，这比MnO ₂ / Ti低120 mV 。另外，这种MnO ₂ -CoP ₃ / Ti也表现出高的长期电化学耐久性。