Electrocatalytic Properties of Cuprous Delafossite Oxides for the Alkaline Oxygen Reduction Reaction

被引：11

作者：

Draskovic, Thomas I. ^{[1
]}

Wu, Yiying ^{[1
]}

机构：

[1] Ohio State Univ, Dept Chem & Biochem, 100 West 18th Ave, Columbus, OH 43210 USA

来源：

CHEMCATCHEM | 2017年 / 9卷 / 20期

关键词：

copper; electrochemistry; heterogeneous catalysis; oxygen; reduction; METAL-AIR BATTERIES; HYDROTHERMAL SYNTHESIS; EVOLUTION REACTION; MODEL COMPLEXES; ELECTROCHEMICAL CHARACTERIZATION; BIFUNCTIONAL ELECTROCATALYST; MULTICOPPER OXIDASES; COPPER OXIDASE; FUEL-CELLS; CATALYSTS;

D O I：

10.1002/cctc.201700712

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Inspired by the oxygen-binding copper sites in biomolecules, a series of cuprous delafossite oxides (CuBO2; B=Sc, Y, La) with similar interatomic copper distances were utilized as electrocatalysts for the oxygen reduction reaction (ORR). The carbon-supported oxides showed improved onset potential, current, and electron-transfer number over carbon black, with CuLaO2 having the highest prevalence of the complete four-electron reduction. The oxygen electrocatalytic activity of the copper site in delafossite oxides was demonstrated.

引用

页码：3837 / 3842

页数：6

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