期刊
MACROMOLECULES
卷 54, 期 17, 页码 7900-7909出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.macromol.1c00598
关键词
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资金
- National Natural Science Foundation of China [22078031, 91834301]
- Fundamental Research Funds for the Central Universities, CQU [2020CDJQY-A032, 2020CDJLHZZ-064]
- Natural Science Foundation of Chongqing [cstc2020jcyjmsxmX0637]
This study introduces the concept of hydrogel AEMs and presents a series of hydrogel AEM-based materials with high conductivity and stability. Fuel cells based on these materials demonstrate remarkable power density performance.
As a key component of anion exchange membrane fuel cells (AEMFCs), the anion exchange membrane (AEM) should possess high hydroxide conductivity and good alkaline stability. In this work, the concept of hydrogel AEMs was proposed, and a series of hydrogel AEM-based poly(vinyl alcohol) were prepared. As a result of ultrahigh water uptake (up to 726 wt %), a hydroxide conductivity of 150 mS cm(-1) at 80 degrees C was achieved as well as a good alkaline stability. Moreover, the single fuel cell based on the as-prepared hydrogel AEM demonstrated a remarkable peak power density of 715 mW cm(-2). This work demonstrates that hydrogel AEMs are potential candidates for AEMFCs.
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