The Electrocatalytic Stability Investigation of a Proton Manager MOF for the Oxygen Reduction Reaction in Acidic Media 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Journal of inorganic and organometallic polymers and materials
年/卷/期
2019 / 29 / 2
页码
528-534
ISSN号
1574-1443
作者单位
Alzahra Univ, Dept Chem, POB 1993891176, Tehran, Iran;Shahid Rajaee Teacher Training Univ, Fac Sci, Dept Chem, POB 1678815811, Tehran, Iran;Alzahra Univ, Dept Chem, POB 1993891176, Tehran, Iran;
作者
Sohrabi, Samaneh;Ghalkhani, Masoumeh;Dehghanpour, Saeed;
摘要
In this paper, regarding outstanding electrocatalytic properties of metal organic frame works for fuel cell applications, we have synthesised and investigated comprehensively the elecrocatalytic stability of PCN-222 (PCN=porous coordination network) for the oxygen reduction reaction (ORR) in acidic media. ORR is a main reaction that take parts in cathodic part of a fuel cell and preparation of a stable and efficient electrocatalyst for this reaction will effectively improve the fuel cell output. The 3D heme-like metal organic framework (MOF) was constructed from Fe(III) porphyrin linkers and Zr-6 clusters. The catalyst stability tests manifested that the PCN-222 is much more stable than the other metal macrocycles. The assembled PCN-222 catalyst possesses ultra stability, high activity and excellent tolerance to the crossover effect of methanol, which could be used as a unique alternative to common ORR catalysts in an acidic direct methanol fuel cell.[GRAPHICS].
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关键词/主题词
Stability;Metal organic framework;Fuel cell;Acidic media;Oxygen reduction reaction;
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