磷化物
催化作用
电催化剂
钼
氢
质子交换膜燃料电池
化学
硫黄
硫化物
铂金
分解水
钌
制氢
硫化氢
无机化学
化学工程
有机化学
电极
电化学
物理化学
光催化
工程类
作者
Jakob Kibsgaard,Thomas F. Jaramillo
标识
DOI:10.1002/ange.201408222
摘要
Abstract Introducing sulfur into the surface of molybdenum phosphide (MoP) produces a molybdenum phosphosulfide (MoP|S) catalyst with superb activity and stability for the hydrogen evolution reaction (HER) in acidic environments. The MoP|S catalyst reported herein exhibits one of the highest HER activities of any non‐noble‐metal electrocatalyst investigated in strong acid, while remaining perfectly stable in accelerated durability testing. Whereas mixed‐metal alloy catalysts are well‐known, MoP|S represents a more uncommon mixed‐anion catalyst where synergistic effects between sulfur and phosphorus produce a high‐surface‐area electrode that is more active than those based on either the pure sulfide or the pure phosphide. The extraordinarily high activity and stability of this catalyst open up avenues to replace platinum in technologies relevant to renewable energies, such as proton exchange membrane (PEM) electrolyzers and solar photoelectrochemical (PEC) water‐splitting cells.
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