Journal
CHEMPLUSCHEM
Volume 86, Issue 4, Pages 574-586Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cplu.202000811
Keywords
alcohol oxidation reaction; catalyst supports; direct alcohol fuel cells; electrocatalysts; platinum
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Funding
- Natural Science Foundation of Anhui Province [2008085MB30, 2008085MB56] Funding Source: Medline
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This article highlights the importance of Pt-based electrocatalysts in direct alcohol fuel cells, while addressing the challenges they face in commercial applications and proposing key measures to improve their activity and durability and reduce costs.
In the past few decades, Pt-based electrocatalysts have attracted great interests due to their high catalytic performances toward the direct alcohol fuel cell (DAFC). However, the high cost, poor stability, and the scarcity of Pt have markedly hindered their large-scale utilization in commerce. Therefore, enhancing the activity and durability of Pt-based electrocatalysts, reducing the Pt amount and thus the cost of DAFC have become the keys for their practical applications. In this minireview, we summarized some basic concepts to evaluate the catalytic performances in electrocatalytic alcohol oxidation reaction (AOR) including electrochemical active surface area, activity and stability, the effective approaches for boosting the catalytic AOR performance involving size decrease, structure and morphology modulation, composition effect, catalyst supports, and assistance under other external energies. Furthermore, we also presented the remaining challenges of the Pt-based electrocatalysts to achieve the fabrication of a real DAFC.
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