Highly conductive, methanol resistant polyelectrolyte multilayers

被引:120
作者
Argun, Avni A. [1 ]
Ashcraft, J. Nathan [1 ]
Hammond, Paula T. [1 ]
机构
[1] MIT, Dept Chem Engn, Cambridge, MA 02139 USA
关键词
D O I
10.1002/adma.200703205
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Highly conducting, methanol resistant thin films are fabricated using layer-by-layer (LBL) assembly. Pairing a sulfonated aromatic polyether with amine-based polycations yields LBL films with ionic conductivity values up to 3.5 x 10(-2) S cm(-1). Uniformly coating traditional fuel cell membranes with these LBL films (see figure) improves the power output of a direct methanol fuel cell by over 50%.
引用
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页码:1539 / +
页数:6
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