A Nano-Architectured Metal-Oxide/Perovskite Hybrid Material as Electrocatalyst for the Oxygen Reduction Reaction in Aluminum-Air Batteries

被引：21
|
作者：
Xue, Yejian [1 ]
Yan, Shanshan [1 ,2 ]
Huang, Heran [1 ]
Liu, Zhaoping [1 ]
机构：
[1] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China
[2] Yanshan Univ, Coll Environm & Chem Engn, Hebei Key Lab Appl Chem, Qinhuangdao 066004, Peoples R China
来源：
ACS APPLIED NANO MATERIALS | 2018年 / 1卷 / 12期
关键词：
aluminum-air battery; composite material; electrocatalyst; oxygen reduction reaction; transition-metal oxide catalysts; perovskite; HIGHLY EFFICIENT ELECTROCATALYST; PEROVSKITE OXIDE; BIFUNCTIONAL CATALYST; EVOLUTION REACTIONS; FUEL-CELLS; CARBON; NANOPARTICLES; CATHODE; SURFACE; LA2O3;
D O I：
10.1021/acsanm.8b01630
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A nanoarchitectured La2O2CO3-La0.7Sr0.3MnO3 hybrid catalyst is prepared by a facile hydrothermal method. The La2O2CO3 nanorods are well distributed on the regular hexagonal La0.7Sr0.3MnO3 nanosheet. The La2O2CO3-La0.7Sr0.3MnO3 catalyst has better catalytic activity to oxygen reduction reaction than that of La2O2CO3 or La0.7Sr0.3MnO3. The reaction kinetics result shows that La2O2CO3-La0.7Sr0.3MnO3 sample follows a four-electron transferred process during the oxygen reduction reaction. Furthermore, the stability of La2O2CO3-La0.7Sr0.3MnO3 is higher than that of Pt/C. By using La2O2CO3-La0.7Sr0.3MnO3 as the cathode catalysts for aluminumair battery, the power densities can reach 223.8 mW cm(2). The high catalytic performance of the La2O2CO3-La0.7Sr0.3MnO3 can be attributed to the strong interaction between the La2O2CO3 material and La0.7Sr0.3MnO3 material.
引用
收藏
页码：6824 / 6833
页数：19
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