Stainless steel bipolar plate coated with carbon nanotube (CNT)/polytetrafluoroethylene (PTFE) composite film for proton exchange membrane fuel cell (PEMFC) |
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Authors: | Yoshiyuki Show Kenta Takahashi |
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Affiliation: | aDepartment of Electrical and Electronic Engineering, Tokai University, 1117 Kitakaname, Hiratsuka, Kanagawa 259-1292, Japan |
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Abstract: | Composite film of carbon nanotube (CNT) and polytetrafluoroethylene (PTFE) was successfully formed by using their dispersion fluids. This CNT/PTFE composite film was electrically conductive in the range of 10 S cm−1. The proton exchange membrane fuel cell (PEMFC) was assembled with the stainless steel bipolar plate coated with the CNT/PTFE composite film. This coating decreased the contact resistance between the surface of the bipolar plate and the membrane electrode assemble (MEA). Therefore, the output power of the fuel cell increased by 1.6 times. |
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Keywords: | Proton exchange membrane fuel cell (PEMFC) Stainless steel bipolar plate Protective coating Carbon nanotube (CNT) Polytetrafluoroethylene (PTFE) |
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