介孔材料
催化作用
材料科学
氧气
甲醇
空位缺陷
化学工程
多孔性
纳米技术
化学
结晶学
有机化学
复合材料
工程类
作者
Tianyi Ma,Yao Zheng,Sheng Dai,Mietek Jaroniec,Shi Zhang Qiao
出处
期刊:Journal of materials chemistry. A, Materials for energy and sustainability
[The Royal Society of Chemistry]
日期:2014-01-01
卷期号:2 (23): 8676-8682
被引量:231
摘要
Mesoporous MnCo2O4 materials with abundant surface defects are synthesized by a novel template-free method without using high temperature or pressure. Two important features are achieved simultaneously, i.e. highly porous architecture with a large surface area up to 263 m2 g−1 and numerous oxygen vacancy defects, which favor efficient mass transport, greatly enhance the affinity of mesoporous MnCo2O4 toward O2, and supply more accessible active sites. Consequently, the synthesized electrocatalysts exhibit comparable catalytic activity for the oxygen reduction reaction, much better stability and methanol tolerance ability in comparison to the Pt/C catalyst.
科研通智能强力驱动
Strongly Powered by AbleSci AI