An efficient foam Ni/MnO2/Pd composite cathode for the electrocatalytic degeneration of phenol

Chun Huang, Chia Yi Chen, Thou Jen Whang

研究成果: Article同行評審

摘要

In this study, a Nickel foam electrode modified with MnO2 and Pd (i.e., a foam Ni/MnO2/Pd electrode) was fabricated in two electrodeposition steps. First, MnO2 was deposited on a three-dimensional cross-linked Ni foam electrode with high porosity and surface area through cyclic voltammetry. Then, the constant current method was used to deposit Pd electrically on the Ni foam electrode. The foam Ni/MnO2/Pd cathode exhibited a phenol degradation rate of 91.6% at a current density of 2 mA/cm2 for 2 h. This phenol degradation rate was higher than those of foam Ni/MnO2 and foam Ni/Pd. Furthermore, the Pd on the foam Ni/MnO2/Pd cathode was immobilized by depositing another thin layer of MnO2 to form foam Ni/MnO2/Pd/MnO2, which reduced Pd loss in the cleaning process and improved reusability without decreasing the phenol degradation efficiency.

原文English
文章編號124401
期刊Materials Chemistry and Physics
263
DOIs
出版狀態Published - 2021 四月 15

All Science Journal Classification (ASJC) codes

  • 材料科學(全部)
  • 凝聚態物理學

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