Advances of the catalytic performance enhancement for proton exchange membrane fuel cells

doi:10.16085/j.issn.1000-6613.2016.09.001

Abstract

Abstract: Developing new catalyst with reduced Pt dependency,improved oxygen reduction reaction activity and high stability is essential for the commercialization of polymer electrolyte membrane fuel cells(PEMFCs). So far,the platinum-based materials have been the best electrocatalyst used in PEMFCs. This paper reviews various methods to improve the catalyst's activity and stability,including surface modification,covering,alloying,the modulation of geometry,electronic structure and crystal structure,enhancing interaction of catalyst/carrier,etc. The solution to the problems of high price and scarcity of Pt is to exploit low-cost non-precious electrocatalysts,which need scientific breakthroughs in as areas of catalytic theory,rational design and synthesis of non-precious electrocatalysts,ordered membrane electrode,and fuel cell water and heat management.

Key words: fuel cells, catalyst, activity, stability

摘要： 发展低成本、高性能的燃料电池催化剂是实现燃料电池商业化的关键。目前，铂基催化剂仍是动力燃料电池不可替代的主催化剂。本文综述了最近几年燃料电池催化剂增强方面的研究进展，探讨了新型催化剂材料的设计与制备以及提高催化剂活性或稳定性的方法，包括表面修饰、包覆、合金化、几何与电子结构以及晶体结构的调变、催化剂/载体相互作用等手段。开发高活性和高稳定性的非铂类催化剂是燃料电池催化剂的发展趋势和努力方向。其中，提高非铂燃料电池催化剂可靠性、稳定性和活性，迫切需要在燃料电催化理论、非铂催化剂理性设计、燃料电池水热管理、有序化膜电极等方面取得创新和突破。

关键词: 燃料电池, 催化剂, 催化活性, 稳定性

CLC Number:

WEI Zidong. Advances of the catalytic performance enhancement for proton exchange membrane fuel cells[J]. Chemical Industry and Engineering Progree, 2016, 35(09): 2629-2639.

魏子栋. 质子交换膜燃料电池催化剂性能增强方法研究进展[J]. 化工进展, 2016, 35(09): 2629-2639.

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