Nickel Phosphide Corrosion Induced by Water and Corrosion Inhibition

被引:1
|
作者
Yang Bo [1 ,2 ,3 ]
Lu Cong-Xuan [1 ]
Zhang Xu-Qiang [1 ]
Ma Jian-Tai [3 ]
机构
[1] Chinese Acad Sci, State Key Lab Oxo Synth & Select Oxidat, Lanzhou Inst Chem Phys, Lanzhou 730000, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China
关键词
transition metal phosphide; corrosion; metal oxide protective layer; stability; NASCENT FORMED OXYGEN; HYDROGEN-EVOLUTION; HIGH-PERFORMANCE; VISIBLE-LIGHT; CATALYSTS; ELECTROCATALYST; PHOTOCORROSION; SHELL; CDS; COP;
D O I
10.11862/CJIC.2022.106
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Transition metal phosphides as cocatalysts have been widely used in electrocatalysis, photoelectrocataly. sis, and electrochemical energy storage. But its stability in water medium is seldom studied. Nickel phosphide ( NixP) was synthesized and the reaction of NixP with H2O was studied in detail. The results showed that serious corrosion of NixP occurred when NixP was dispersed in the water while H-2 was generated. At the same time, the corrosion products of PO43- and Ni2+ ions were detected. Such NixP corrosion in water is highly dependent on NixP crystal struc. ture and components. The deposition of NiO, ZnO, and TiO2 metal oxide protective layer on NixP can improve the anti. corrosion ability of NixP in the aqueous medium.
引用
收藏
页码:1337 / 1349
页数:13
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