金属间化合物
质子交换膜燃料电池
纳米晶
材料科学
化学工程
催化作用
阴极
纳米材料基催化剂
电催化剂
氧还原反应
商业化
纳米技术
燃料电池
铂金
氧还原
无机化学
电化学
纳米颗粒
冶金
化学
电极
物理化学
合金
工程类
法学
政治学
生物化学
作者
Xiancheng Zhang,Min Pu,Qingjun Chen,Hong Zhu
出处
期刊:Catalysts
[MDPI AG]
日期:2021-08-30
卷期号:11 (9): 1050-1050
被引量:14
标识
DOI:10.3390/catal11091050
摘要
Although oxygen reduction reaction (ORR) catalysts have been extensively investigated and developed, there is a lack of clarity on catalysts that can balance high performance and low cost. Pt-based intermetallic nanocrystals are of special interest in the commercialization of proton exchange membrane fuel cells (PEMFCs) due to their excellent ORR activity and stability. This review summarizes the wide range of applications of Pt-based intermetallic nanocrystals in cathode catalysts for PEMFCs and their unique advantages in the field of ORR. Firstly, we introduce the fundamental understanding of Pt-based intermetallic nanocrystals, and highlight the difficulties and countermeasures in their synthesis. Then, the progress of theoretical and experimental studies related to the ORR activity and stability of Pt-based intermetallic nanocrystals in recent years are reviewed, especially the integrated strategies for enhancing the stability of ORR. Finally, the challenges faced by Pt-based intermetallic nanocrystals are summarized and future research directions are proposed. In addition, numerous design ideas of Pt-based intermetallic nanocrystals as ORR catalysts are summarized, aiming to promote further development of commercialization of PEMFC catalysts while fully understanding Pt-based intermetallic nanocrystals.
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