分解水
电解
材料科学
夹
析氧
电催化剂
制氢
磷化物
铂金
贵金属
催化作用
无机化学
氢
化学工程
纳米技术
化学
电解水
金属
电化学
过渡金属
冶金
物理化学
复合材料
电极
有机化学
生物化学
光催化
工程类
电解质
作者
Sangeetha Kumaravel,Kannimuthu Karthick,Selvasundarasekar Sam Sankar,Arun Karmakar,Ragunath Madhu,Krishnendu Bera,Subrata Kundu
标识
DOI:10.1002/celc.202100984
摘要
Abstract Producing pure hydrogen (H 2 ) is presumably an alternative way for replacing the fossil fuels. Since the last few decades finding alternatives for state‐of‐the‐art catalysts such as IrO 2 and RuO 2 for oxygen evolution reaction (OER) and platinum for hydrogen evolution reaction (HER) has been a major challenge in the field of water electrolysis. To replace such precious metals, many efforts have been made to develop transition metal based bifunctional catalyst for alkaline water electrolysis. Among them, transition metal phosphides (TMPs) show superior activity in both OER and HER with varying pH conditions. Moreover, the different phases of phosphides, P‐rich or P deficient metal composites (Ni/Co−P) offer a great opportunity in total water splitting (TWS) applications. There is no detailed review in the literature outlining the possible combinations, synthesis methods and morphologies of Ni and Co based phosphides. Based on the above shortage about TMPs as a bi‐functional catalyst for water electrolysis, this review summarizes the activity and stability Ni and Co phosphides. Furthermore, the review highlights monometallic phosphides such as NiP and CoP, bi‐metallic phosphides such as NiCoP, and the synergistic effect of doping Fe into NiP/CoP or Fe ‐NiCoP systems while detailing their preparation methods. Overall, this review extends the role of designing Ni and Co phosphides for efficient large scale electrocatalysis of hydrogen production.
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