CoCO·2HO衍生的CoO纳米棒阵列：一种用于碱性析氧反应的高效一维电催化剂。
CoCO·2HO derived CoO nanorods array: a high-efficiency 1D electrocatalyst for alkaline oxygen evolution reaction.
作者信息
Wei Yicheng, Ren Xiang, Ma Hongmin, Sun Xu, Zhang Yong, Kuang Xuan, Yan Tao, Ju Huangxian, Wu Dan, Wei Qin
机构信息
Key Laboratory of Interfacial Reaction & Sensing Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, Shandong, China.
出版信息
Chem Commun (Camb). 2018 Feb 6;54(12):1533-1536. doi: 10.1039/c7cc08423d.
Energy conversion and storage systems such as water splitting metal-air batteries require high-performance and durable oxygen evolution reaction (OER) catalysts. Herein, we report the in situ development of self-standing CoO nanorods array on Co foil (CoO NA/CF) as a 1D OER catalyst electrode. Such CoO NA/CF only needs overpotential of 308 mV to drive a geometrical catalytic current density of 15 mA cm in 1.0 M KOH with good long-term electrochemical durability. In addition, this catalyst achieves a high turnover frequency of 0.646 mol O s at overpotential of 410 mV.
诸如水电解金属空气电池之类的能量转换和存储系统需要高性能且耐用的析氧反应（OER）催化剂。在此，我们报告了在钴箔（CoO NA/CF）上原位生长自立式CoO纳米棒阵列作为一维OER催化剂电极。这种CoO NA/CF在1.0 M KOH中仅需308 mV的过电位即可驱动15 mA cm的几何催化电流密度，且具有良好的长期电化学耐久性。此外，该催化剂在410 mV的过电位下实现了0.646 mol O s的高周转频率。
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