High-Performance Anion Exchange Membranes for Fuel Cells
Author Information
Author(s): Li Quan, He Xiaohui, Feng Ling, Ye Jia, Zhang Wenjun, Huang Longming, Chen Defu
Primary Institution: Nanchang University
Hypothesis
Can diamine crosslinked addition-type diblock poly(norbornene)s-based anion exchange membranes achieve high conductivity and stability for fuel cell applications?
Conclusion
The developed membranes exhibited high hydroxide conductivity and excellent alkaline stability, making them promising candidates for fuel cell applications.
Supporting Evidence
- The CL30-aPNB-TMHDA-TMA membrane exhibited the highest hydroxide conductivity of 138.84 mS cm−1 at 80 °C.
- The membranes maintained 91.9% of their initial ion exchange capacity after 1008 hours in a 1 M NaOH solution.
- The peak power density of the single cells assembled with the membranes was 266.2 mW cm−2.
Takeaway
Scientists made special membranes that help fuel cells work better by allowing electricity to flow easily and staying strong in tough conditions.
Methodology
The membranes were prepared using a combination of hydrophilic crosslinking and flexible alkoxy spacer chains, and their performance was evaluated through various tests.
Limitations
The performance may be affected by factors such as MEA preparation technology and testing environment.
Digital Object Identifier (DOI)
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