期刊
INORGANIC CHEMISTRY FRONTIERS
卷 7, 期 22, 页码 4461-4468出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0qi01003k
关键词
-
资金
- National Natural Science Foundation of China [21938001, 21961160741]
- China Postdoctoral Science Foundation [2020M673037]
- National Natural Science Foundation of China-SINOPEC Joint Fund [U1663220]
- Priority Academic Program Development of the Jiangsu Higher Education Institutions
The oxygen evolution reaction (OER) plays an essential role in energy conversion, especially during the process of hydrogen production via electrocatalytic water-splitting technology. Herein, a heterostructure strategy to construct a CeO2-x decorated CoFe layer double hydroxide (LDH) grown on Ni foam (NF) (denoted as CeO2-x@CoFe LDH/NF) is presented. By constructing the CeO2-x@CoFe LDH heterostructure on NF, the as-prepared CeO2-x@CoFe LDH/NF offers superior electrocatalytic performance for the OER. CoFe LDH as a recognized catalyst provides active sites for OER reactions and CeO2-x nanoparticles bring more oxygen vacancies and synergies with the LDH structure to improve the catalytic performance of the OER. In 1.0 M KOH, it needs an ultralow overpotential of 204 mV to achieve the current density of 100 mA cm(-2), and also shows long term durability for more than 30 hours. Moreover, when subjected to simulated alkaline seawater (1.0 M KOH + 0.5 M NaCl), CeO2-x@CoFe LDH/NF still maintains the high activity and durability for the OER without being affected by chloride species. This work will provide a guideline for designing heterostructures of nanoparticles and LDH to drive efficient water oxidation reactions in the future.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据