期刊
BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY
卷 7, 期 -, 页码 1412-1420出版社
BEILSTEIN-INSTITUT
DOI: 10.3762/bjoc.7.165
关键词
carbon nanotubes; continuous catalyst synthesis; direct electrical heating; flow reactors; fuel cell platinum catalyst
资金
- Energie-Forschungszentrum Niedersachsen (EFZN)
In this contribution we present for the first time a continuous process for the production of highly active Pt catalysts supported by carbon nanotubes by use of an electrically heated tubular reactor. The synthesized catalysts show a high degree of dispersion and narrow distributions of cluster sizes. In comparison to catalysts synthesized by the conventional oil-bath method a significantly higher electrocatalytic activity was reached, which can be attributed to the higher metal loading and smaller and more uniformly distributed Pt particles on the carbon support. Our approach introduces a simple, time-saving and cost-efficient method for fuel cell catalyst preparation in a flow reactor which could be used at a large scale.
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