Porous perovskite CaMnO3 as an electrocatalyst for rechargeable Li-O2 batteries

被引：136

作者：

Han, Xiaopeng ^{[1
]}

Hu, Yuxiang ^{[1
]}

Yang, Jingang ^{[1
]}

Cheng, Fangyi ^{[1
]}

Chen, Jun ^{[1
]}

机构：

[1] Nankai Univ, Collaborat Innovat Ctr Chem Sci & Engn, Coll Chem, Key Lab Adv Energy Mat Chem Minist Educ, Tianjin 300071, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2014年 / 50卷 / 12期

关键词：

METAL-AIR BATTERIES; OXYGEN-REDUCTION; CATALYSTS; LITHIUM; PERFORMANCE; NANORODS; CATHODE; HYBRID; NANOPARTICLES; CHALLENGES;

D O I：

10.1039/c3cc48207c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report a facile synthesis method of preparing interconnected porous CaMnO3 nanostructures and their utilization as new cathode catalysts in rechargeable lithium-oxygen (Li-O-2) batteries. The CaMnO3-based electrode enables much enhanced cyclability with a 620 mV smaller discharge-recharge voltage gap than that of the carbon-only cathode at a current rate of 50 mA g(carbon)(-1). The improved performance is attributed to the high electrocatalytic activity of CaMnO3 with a porous nanostructure.

引用

页码：1497 / 1499

页数：3

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