Hybrid polyelectrolyte materials for fuel cell applications: Design, synthesis, and evaluation of proton-conducting bridged polysilsesquioxanes

被引：46

作者：

Khiterer, Mariya

Loy, Douglas A.

Cornelius, Christopher J.

Fujimoto, Cy H.

Small, James H.

McIntire, Theresa M.

Shea, Kenneth J. ^{[1
]}

机构：

[1] Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA

[2] Univ Arizona, Dept Chem, Tucson, AZ 85721 USA

[3] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[4] Sandia Natl Labs, Albuquerque, NM 87285 USA

来源：

CHEMISTRY OF MATERIALS | 2006年 / 18卷 / 16期

关键词：

D O I：

10.1021/cm060440a

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A method for the synthesis of chemically and thermally robust sulfonic-acid-containing hybrid membrane materials has been established. These polyelectrolyte membranes are prepared by oxidation of the corresponding disulfide-bridged polysilsesquioxanes. This strategy allows for high acid-group loading. Their microstructure is determined by nitrogen adsorption porosimetry, solid-state NMR spectroscopy, and atomic force microscopy. Application of these hybrid materials as proton-exchange membranes for fuel cells is investigated by measuring their proton conductivity, which increases linearly with increasing sulfonic acid content to 6.2 mS/cm.

引用

页码：3665 / 3673

页数：9

共 27 条

[11]

2-G

[12] Hydration of Nafion® studied by AFM and X-ray scattering [J].