膜科学与技术

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Influence of backbone structures on alkaline stability of anion exchange membranes

Authors： WANG Xue， LI Yonggang，ZHENG Jifu，ZHANG Suobo，LI Shenghai

Units： 1. Key Lab of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China; 2. School of Applied Chemistry and Technology, University of Science and Technology of China, Hefei 230026, China

KeyWords： alkaline anion exchange membrane fuel cells; anion exchange membranes; alkaline stability; polymerization backbone structures

ClassificationCode：TQ13;TM911.48

year,volume(issue):pagination： 2022,42(2):117-127

Abstract：

Alkaline anion exchange membrane fuel cells (AAEMFCs) can use low-cost non-PT catalysts, and have the advantages of high reaction efficiency and environmental friendliness. AAEMFCs can replace proton exchange membrane fuel cells (PEMFCs) to some extent, which has attracted much attention. As the core component of AAEMFCs, anion exchange membrane (AEMs) requires excellent OH- transport performance, mechanical properties, thermal stability and alkaline stability. However, AEMs is still faced with the great challenge of poor alkaline resistance, which can not be used in large-scale commercial applications. In this paper, the influence of the polymerization backbone structures on the alkaline stability of AEMs was reviewed, the degradation mechanism and solution of AEMs in alkaline environment were analyzed and summarized, and the possible development direction of AEMs in the future was prospected.

Funds：

国家自然科学基金项目（21774213）、吉林省科技发展计划项目（20200801051GH）

AuthorIntro：

王雪（1997-），女，河北邢台人，在读硕士生，主要从事膜材料的制备与性能方向的研究

Reference：

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