催化作用
铂金
电催化剂
合理设计
甲醇
材料科学
金属间化合物
纳米技术
燃料电池
一氧化碳
合金
化学工程
化学
电化学
物理化学
冶金
有机化学
电极
工程类
作者
Renqin Yu,Yifan Zhang,Sixu Deng,Rongying Zhu,Shiming Zhang,Jiujun Zhang,Yufeng Zhao,Zhonghong Xia
出处
期刊:Catalysts
[MDPI AG]
日期:2024-01-12
卷期号:14 (1): 60-60
标识
DOI:10.3390/catal14010060
摘要
Direct methanol fuel cells have emerged as highly promising energy conversion devices in the past few decades. However, some challenges, such as carbon monoxide (CO) poisoning and unsatisfactory long-term stability, remain for platinum (Pt) as a methanol oxidation reaction (MOR) catalyst. This review covers recent advances in Pt alloy MOR catalysts and provides some insights. This review presents MOR catalytic mechanisms based on CO or non-CO pathways. Typical dimension-based designs of MOR catalysts, such as anisotropic nanowires, metallene, nanoframes, and corresponding rationales for performance enhancements, are introduced. More importantly, some key tuning strategies are elaborated, including intermetallic compound synthesis, interface engineering, and surface facet engineering. High-entropy alloys as an intriguing class of MOR catalysts with favorable prospects are also discussed. Finally, future directions and opportunities are outlined.
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