Towards nitrogen-containing CNTs for fuel cell electrodes

被引：53

作者：

Prehn, Kirsten ^{[1
]}

Warburg, Annalena ^{[1
]}

Schilling, Thorsten ^{[2
]}

Bron, Michael ^{[3
]}

Schulte, Karl ^{[1
]}

机构：

[1] Tech Univ Hamburg, Inst Polymers & Composites, D-21073 Hamburg, Germany

[2] Tech Univ Darmstadt, Fachbereich Chem, Ernst Berl Inst, D-64287 Darmstadt, Germany

[3] Ruhr Univ Bochum, Nachwuchsgrp Brennstoffzellen, D-44780 Bochum, Germany

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2009年 / 69卷 / 10期

关键词：

Functional composite; Nano composites; Carbon nanotubes; Chemical vapour deposition (CVD); Electrocatalytic activity; ALIGNED CARBON NANOTUBES; OXYGEN REDUCTION CATALYSTS; FE-BASED CATALYSTS; AREA CARBON; PYROLYSIS; MEMBRANES; ELECTROCATALYSTS; PRETREATMENT; NANOFIBERS; ORDER;

D O I：

10.1016/j.compscitech.2008.09.006

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

In an adapted standard CVD-process nitrogen-containing carbon nanotubes were produced adding acetonitrile to the synthesis. The grown nanotube carpets were analysed via SEM, TEM, Raman spectroscopy, OES with ICP, CNS and XPS according their structural and morphological changes, as well as the N and Fe content. CV and RDE measurements were conducted to investigate the oxygen reduction reaction, showing activities depending on the preparation. The electrocatalytic activity was enhanced by an additional step of impregnating the nanotubes with iron-tetramethoxyphenylporphyrin chloride (FeTMPP-Cl) and heat treatment. By applying the CNT carpets to a modified drop-cast process using sulfonated PEEK as polyelectrolyte a new membrane-electrode assembly was established. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1570 / 1579

页数：10

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