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Ni2P hollow microspheres for electrocatalytic oxygen evolution and reduction reactions†
Catalysis Science & Technology ( IF 4.4 ) Pub Date : 2018-03-27 00:00:00 , DOI: 10.1039/c8cy00211h
Haitao Lei 1, 2, 3, 4, 5 , Mingxing Chen 6, 7, 8, 9 , Zuozhong Liang 1, 2, 3, 4, 5 , Chengyu Liu 6, 7, 8, 9 , Wei Zhang 1, 2, 3, 4, 5 , Rui Cao 1, 2, 3, 4, 5
Affiliation  

Ni2P hollow microspheres were synthesized and examined as an electrocatalyst for both O2 evolution and reduction reactions. This hollow microsphere structure, assembled from ultrathin nanosheets, has a high surface-to-volume ratio and is beneficial for fast charge transfer and mass diffusion. This Ni2P material is efficient for water oxidation, achieving a 10 mA cm−2 current at a 280 mV overpotential. It is also effective in catalyzing the reduction of O2 with an onset potential of 0.92 V, representing a rare example of Ni phosphides as O2 reduction catalysts.

中文翻译:

Ni 2 P中空微球用于电催化氧的释放和还原反应

合成了Ni 2 P空心微球,并检查了其作为O 2析出和还原反应的电催化剂。由超薄纳米片组装而成的中空微球结构,具有高的表面积与体积之比,有利于快速的电荷转移和质量扩散。该Ni 2 P材料对于水的氧化是有效的,在280mV的超电势下达到10mA cm -2的电流。它在催化起始电位为0.92 V的O 2还原中也很有效,代表了磷化镍作为O 2还原催化剂的罕见例子。
更新日期:2018-03-27
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