用于燃料电池应用的聚（磺化亚苯基）-嵌段-聚酰亚胺共聚物
Poly(sulfonated phenylene)-block-Polyimide Copolymers for Fuel Cell Applications.
作者信息
Bi Huiping, Chen Shouwen, Chen Xinbing, Chen Kangcheng, Endo Nobutaka, Higa Mitsuru, Okamoto Kenichi, Wang Lianjun
机构信息
School of Chemical Engineering, Nanjing University of Science & Technology, 200 Xiao Ling Wei, Nanjing 210094, China; Graduate School of Science and Engineering, Yamaguchi University, Tokiwadai 2-16-1, Ube, Yamaguchi 755-8611, Japan.
出版信息
Macromol Rapid Commun. 2009 Nov 2;30(21):1852-6. doi: 10.1002/marc.200900351. Epub 2009 Aug 24.
Novel poly(2-(3-sulfo)benzoyl-1,4-phenylene)-block-polynaphthalimide (PSP-b-PI) copolymers were successfully synthesized by Ni(0)-catalyzed copolymerization of 2,5-dichloro-3'-sulfo-benzophenone and dichloro-terminated naphthalimide oligomer. The membranes exhibited a microphase-separated structure and good hydrolytic stability at 130 °C. They showed a fairly strong anisotropy of membrane swelling with much smaller in-plane swelling, but a rather weak anisotropy of proton conductivity. The membranes had a fairly high through-plane conductivity in water and even under low relative humidity. The PSP-b-PI copolymer with an IEC of 1.5 meq · g(-1) showed high PEFC performance due to the high through-plane conductivity.
通过镍（0）催化2,5-二氯-3'-磺基二苯甲酮与二氯封端的萘酰亚胺低聚物的共聚反应，成功合成了新型聚（2-（3-磺基）苯甲酰基-1,4-亚苯基）-嵌段-聚萘酰亚胺（PSP-b-PI）共聚物。这些膜呈现出微相分离结构，在130°C下具有良好的水解稳定性。它们表现出相当强的膜溶胀各向异性，面内溶胀小得多，但质子传导率的各向异性较弱。这些膜在水中甚至在低相对湿度下都具有相当高的面内电导率。离子交换容量为1.5 meq·g(-1)的PSP-b-PI共聚物由于高面内电导率而表现出高的质子交换膜燃料电池性能。
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