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Fabrication and characterization of poly-lactide-co-glycolide fibers reinforced perfluorosulfonic acid composite proton exchange membrane

Authors： Wang Zhengbang1,2, Tang Haolin1,2, Guo Wei1,2 and Pan Mu1,2

Units： 1State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, PR China

KeyWords： PEM fuel cell；PLGA; composite proton exchange membrane

ClassificationCode：TQ152

year,volume(issue):pagination： 2011,31(6):60-63

Abstract：

The approach in this research is developing a composite proton exchange membrane with poly-lactide-co-glycolide (PLGA) fibers and perfluorosulfonic acid (PFSA, Nafion) ionomers. With the high strength and conductive PLGA fibers, the yield strength, breaking strength and elastic modulus of the Nafion/PLGA composite membrane achieved 10.5MPa、19MPa and 147.8MPa. The proton conductivity of Nafion/PLGA composite membrane was 0.053Scm-1. The single fuel cell assembled with the Nafion/PLGA composite membrane had a high open circuit voltage of 0.96 V and performed well at ohmic polarization (100mAcm-2-900mAcm-2), gave this membrane a positive further in high performance and durable PEM fuel cells.

Funds：

“863”项目 (2009AA034400)、国家自然基金项目（50802072）、中央高校基本科研业务费专项资金（2010-Ia-055）

AuthorIntro：

王正帮 (1985-)，男，湖北咸宁人，硕士研究生，从事质子交换膜的研究；联系人，唐浩林，Email: tanghaolin2005@yahoo.com.cn

Reference：

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[2] Borup R, Meyers J, Pivovar B, et al. Scientific aspects of polymer electrolyte fuel cell durability and degradation [ J]. Chemical Reviews, 2007, 107( 10): 3904- 3951.
[3] Tang H L, Pan M, Wang F, et al. Highly durable proton exchange membranes for low temperature fuel cells [ J]. Journal of Physical Chemistry B, 2007, 111( 30): 8684- 8690.
[4] Tang H L, Shen P K, Jiang S P, et al. A degradation study of Nation proton exchange membrane of PEM fuel cells [ J]. Journal of Power Sources, 2007, 170( 1): 85- 92.
[5] Zhu J, Tang H L, Pan M. Fabrication and characterization of self-assembled Nafion-SiO2-ePTFE composite membrane of PEM fuel cell [ J]. Journal of Membrane Science, 2008, 312( 1- 2): 41- 47.
[6] Tang H L, Pan M, Jiang S P, et al. Fabrication and characterization of PFSI/ePTFE composite proton exchange membranes of polymer electrolyte fuel cells [ J]. Electrochimica Acta, 2007, 52( 16): 5304- 5311.
[7] Craparo E F, Teresi G, Ognibene M C, et al. Nanoparticles based on novel amphiphilic polyaspartamide copolymers [ J]. Journal of Nanoparticle Research, 2010, 12( 7): 2629- 2644.
[8] Li J S, Yang X, Tang H L, et al. Durable and high performance Nafion membrane prepared through high-temperature annealing methodology [ J]. Journal of Membrane Science, 2010, 361( 1- 2): 38- 42.

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