Ultrathin anion exchange membranes with an improved OH- transfer rate for high-performance AEMFCs

被引：41

作者：

Song, Wanjie ^{[1
]}

Liang, Xian ^{[1
,2
]}

Zhang, Huaqing ^{[1
]}

Liu, Xiang ^{[1
]}

Zhang, Xin ^{[1
]}

Wu, Liang ^{[1
]}

Ge, Xiaolin ^{[1
]}

Xu, Tongwen ^{[1
]}

机构：

[1] Univ Sci & Technol China, Collaborat Innovat Ctr Chem Energy Mat, Sch Chem & Mat Sci, CAS Key Lab Soft Matter Chem, Hefei 230026, Peoples R China

[2] Huainan Normal Univ, Sch Chem & Mat Engn, Huainan 232001, Anhui, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2022年 / 10卷 / 40期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

ALKALINE POLYMER ELECTROLYTE; FUEL-CELLS; WATER MANAGEMENT; TRANSPORT;

D O I：

10.1039/d2ta05681j

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Anion exchange membranes (AEMs) as the key component of alkaline anion exchange membrane fuel cells (AEMFCs) are closely related to their performance. Reducing membrane thickness as much as possible on the premise of ensuring electrical conductivity and mechanical strength is of great significance in improving the performance of AEMFCs. As the membrane thickness decreases, the mass transfer resistance can be significantly reduced, while the energy conversion efficiency can be improved. Here we fabricated a freestanding AEM with excellent mechanical strength and ionic conductivity with a thickness of 10 mu m, which can fulfill the fuel cell requirements. The fuel cell assembled from the fabricated freestanding ultrathin AEM presents an excellent power output of 1.8 W cm(-2) and a long-term stable operation of similar to 140 h.

引用

页码：21503 / 21511

页数：9

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