质子交换膜燃料电池耐一氧化碳阳极催化剂的研究进展

IF 4.8 2区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
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引用次数: 0

摘要

由于铂基催化剂在氧气还原和氢气氧化反应中具有高活性,因此经常被用于质子交换膜燃料电池。然而,这些催化剂很容易被一氧化碳毒害,导致燃料电池性能显著下降。使用耐 CO 催化剂可以有效解决这一问题。本文简要讨论了 CO 中毒机理和抗中毒策略。主要从三个方面介绍了耐 CO 催化剂的研究进展:铂合金催化剂、金属氧化物复合催化剂和阻挡层覆盖催化剂。此外,还讨论了近年来各种催化剂的优势和局限性。在催化剂表面覆盖多孔封端层可以有效提高催化剂的 CO 耐受性,这可能是开发 CO 耐受性以外的抗中毒催化剂的一种有前途的方法。最后,介绍了耐一氧化碳燃料电池催化剂的未来发展前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Advances in CO-tolerant anode catalysts for proton exchange membrane fuel cells

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 catalysts other than CO-tolerance. Finally, the prospects for future development of CO-tolerant fuel cell catalysts were described.

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来源期刊
CiteScore
8.60
自引率
2.10%
发文量
2812
审稿时长
49 days
期刊介绍: Progress in Natural Science: Materials International provides scientists and engineers throughout the world with a central vehicle for the exchange and dissemination of basic theoretical studies and applied research of advanced materials. The emphasis is placed on original research, both analytical and experimental, which is of permanent interest to engineers and scientists, covering all aspects of new materials and technologies, such as, energy and environmental materials; advanced structural materials; advanced transportation materials, functional and electronic materials; nano-scale and amorphous materials; health and biological materials; materials modeling and simulation; materials characterization; and so on. The latest research achievements and innovative papers in basic theoretical studies and applied research of material science will be carefully selected and promptly reported. Thus, the aim of this Journal is to serve the global materials science and technology community with the latest research findings. As a service to readers, an international bibliography of recent publications in advanced materials is published bimonthly.
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