کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
182751 | 459440 | 2006 | 5 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Microwave-assisted synthesis of PTFE/C nanocomposite for polymer electrolyte fuel cells Microwave-assisted synthesis of PTFE/C nanocomposite for polymer electrolyte fuel cells](/preview/png/182751.png)
Carbon black supported polytetrafluoroethylene (PTFE/C) nanocomposite is synthesized by an intermittent microwave irradiation (IMI) method for polymer electrolyte fuel cells (PEFC), using PTFE emulsion as the precursor. The synthesized PTFE/C composite is characterized by uniformly distributed and nano-sized PTFE/C particles without additional high temperature treatment and mechanical milling under liquid nitrogen frozen conditions. Incorporation of the PTFE/C nanocomposite into a Pt/C/Nafion catalyst significantly enhances the mass transportation of the catalyst layer without any adverse effect on the electrocatalytic activity of the Pt catalysts. The power output of the cell with a Pt/C/Nafion-PTFE/C composite cathode is 0.66 W cm−2, which is 32% higher than that of the cell with a Pt/C/Nafion cathode without the incorporation of the PTFE/C nanocomposite.
Journal: Electrochemistry Communications - Volume 8, Issue 7, July 2006, Pages 1158–1162