Proton-Conductive Aromatic Ionomers Containing Highly Sulfonated Blocks for High-Temperature-Operable Fuel Cells

被引：237

作者：

Bae, Byungchan ^{[2
]}

Yoda, Takeshi ^{[1
]}

Miyatake, Kenji ^{[1
]}

Uchida, Hiroyuki ^{[1
]}

Watanabe, Masahiro ^{[2
]}

机构：

[1] Univ Yamanashi, Clean Energy Res Ctr, Yamanashi 4008510, Japan

[2] Univ Yamanashi, Fuel Cell Nanomat Ctr, Yamanashi 4000021, Japan

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2010年 / 49卷 / 02期

关键词：

block copolymers; conducting materials; fuel cells; membranes; sulfonation; HYDROPHOBIC MULTIBLOCK COPOLYMERS; POLY(ARYLENE ETHER SULFONE); POLYMER ELECTROLYTE MEMBRANE; EXCHANGE MEMBRANES; BRANCHED POLY(ETHER-KETONE)S; ACID GROUPS; END-GROUPS; DURABILITY; SYSTEMS;

D O I：

10.1002/anie.200905355

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

"Chemical Equation Presented" Segregation is a key theme of this film: Poly(arylene ether sulfone ketone) multiblock membranes containing highly sulfonated hydrophilic blocks were prepared by postsulfonation. High local concentrations of sulfonic acid groups within the hydrophilic blocks enhanced the phase separation of the two block types (see picture), and the high interconnectivity of the rodlike hydrophilic aggregates led to high proton conductivity even at low humidity. © 2010 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：317 / 320

页数：4

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