电解质
催化作用
分解水
单独一对
金属
材料科学
电极
Atom(片上系统)
化学
无机化学
物理化学
分子
冶金
计算机科学
生物化学
有机化学
光催化
嵌入式系统
作者
Minmin Fan,Peixiao Li,Baibai Liu,Yaqiong Gong,Chengling Luo,Kun Yang,Xinjuan Liu,Jinchen Fan,Yuhua Xue
出处
期刊:Nanomaterials
[MDPI AG]
日期:2023-06-22
卷期号:13 (13): 1909-1909
被引量:14
摘要
Developing electrocatalysts with high energy conversion efficiency is urgently needed. In this work, P-Fe3O4/Fe@C electrodes with rich under-coordinated Fe atom interfaces are constructed for efficient pH-universal water splitting. The introduction of under-coordinated Fe atoms into the P-Fe3O4/Fe@C interface can increase the local charge density and polarize the 3d orbital lone electrons, which promotes water adsorption and activation to release more H*, thus elevating electrocatalytic activity. As a donor-like catalyst, P-Fe3O4/Fe@C displays excellent electrocatalytic performance with overpotentials of 160 mV and 214 mV in acidic and alkaline electrolytes at 10 mA cm−2, in addition to pH-universal long-term stability.
科研通智能强力驱动
Strongly Powered by AbleSci AI