首页|Advances in CO-tolerant anode catalysts for proton exchange membrane fuel cells
Advances in CO-tolerant anode catalysts for proton exchange membrane fuel cells
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Pt-based catalysts are often used in a proton exchange membrane fuel cell due to their high activities to oxygen reduction and hydrogen oxidation reaction.However,these catalysts are easily poisoned by CO,resulting in a significant reduction of fuel cell performance.The use of CO-tolerant catalysts can effectively solve this problem.The CO poisoning mechanism and anti-poisoning strategies were briefly discussed in this article.It mainly focused on the research progress on CO-tolerant catalysts in three aspects:Pt alloy catalysts,metal oxide composite catalysts,and blocking layer covered catalysts.The advantages and limitations of various catalysts in recent years were also discussed.Creating a porous blocking layer covered on the surface of the catalyst can effectively enhance the CO-tolerance of the catalysts which could be a promising approach for developing anti-poison cat-alysts other than CO-tolerance.Finally,the prospects for future development of CO-tolerant fuel cell catalysts were described.
PEMFCsCO-toleranceCatalysts
Ling Liu、Rong Zeng、Lei Hao
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National Engineering Research Center of Nonferrous Metals Materials and Products for New Energy,China GRINM Group Co.,Ltd.,Beijing,100088,PR China
GRIMAT Engineering Institute Co.,Ltd,Beijing,101407,PR China
General Research Institute for Nonferrous Metals,Beijing,100088,PR China
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