Plasma-induced Styrene Grafting onto the Surface of Polytetrafluoroethylene Powder for Proton Exchange Membrane Application.

LAN Yan; CHENG Cheng; ZHANG Suzhen; NI Guohua; CHEN Longwei; YANG Guangjie; M. Nagatsu; MENG Yuedong

Plasma Science and Technology > 2011 > 13(5): 604-607.

LAN Yan, CHENG Cheng, ZHANG Suzhen, NI Guohua, CHEN Longwei, YANG Guangjie, M. Nagatsu, MENG Yuedong. Plasma-induced Styrene Grafting onto the Surface of Polytetrafluoroethylene Powder for Proton Exchange Membrane Application.[J]. Plasma Science and Technology, 2011, 13(5): 604-607.

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Plasma-induced Styrene Grafting onto the Surface of Polytetrafluoroethylene Powder for Proton Exchange Membrane Application.

1 Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China 2 Research Institute of Zhong Ping Energy Chemical Group, Pingdingshan 467000, China 3 Faculty of Engineering, Shizuoka University, Hamamatsu 432-8011, Japan

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Received Date: March 02, 2011

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Abstract

Abstract

Low-temperature plasma treatment was adopted to graft styrene onto polytetrafluoroethylene (PTFE) powder, which is widely used in the fabrication of proton exchange membrane (PEM). The grafted PTFE powder was sulfonated in chlorosulfonic acid and fabricated into a membrane, which was used as inexpensive PEM material for a proton exchange membrane fuel cell (PEMFC). FTIR-ATR and XPS analysis were used to characterize the structure of the sulfonated PTFE powder. The results showed that all the PTFE powders were successfully grafted by nitrogen plasma and then sulfonated under such experimental conditions. A SEM image indicated that the fabricated membrane exhibits flat morphology and homogenous structure. The ion exchange capacity (IEC) of this kind of PEM was also investigated.
- Plasma treatment,
- PTFE powder,
- Styrene,
- Sulfonate

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