Poly(sulfonated phenylene)-block-Polyimide Copolymers for Fuel Cell Applications

被引：35

作者：

Bi, Huiping ^{[1
,2
]}

Chen, Shouwen ^{[1
,2
]}

Chen, Xinbing ^{[1
]}

Chen, Kangcheng ^{[1
]}

Endo, Nobutaka ^{[1
]}

Higa, Mitsuru ^{[1
]}

Okamoto, Kenichi ^{[1
]}

Wang, Lianjun ^{[2
]}

机构：

[1] Yamaguchi Univ, Grad Sch Sci & Engn, Yamaguchi 7558611, Japan

[2] Nanjing Univ Sci & Technol, Sch Chem Engn, Nanjing 210094, Peoples R China

来源：

MACROMOLECULAR RAPID COMMUNICATIONS | 2009年 / 30卷 / 21期

关键词：

block copolymer; membrane swelling; polymer electrolyte membrane; polyimide; proton conductivity; sulfonated polyphenylene; PROTON-EXCHANGE MEMBRANES; SULFONATED POLYIMIDE MEMBRANES; POLYMER ELECTROLYTE MEMBRANE; POLY(ARYLENE-CO-NAPHTHALIMIDE)S; CONDUCTIVITY; SULFONE)S;

D O I：

10.1002/marc.200900351

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Novel poly(2-(3-sulfo)benzoyl-1,4-phenylene)-block-polynaphthalimide (PSP-b-PI) cop were successfully synthesized by Ni(O)-catalyzed copolymerization of 2,5-dichloro-3'-sulfobenzophenone and dichloro-terminated naphthalimide oligomer. The membranes exhibited a microphase-separated structure and good hydrolytic stability at 130 degrees 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.

引用

页码：1852 / 1856

页数：5

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