NDLI: Electrical and Thermal Conductivities of Novel Metal Mesh Hybrid Polymer Composite Bipolar Plates for Proton Exchange Membrane Fuel Cells

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Hsiao, Min-Chien Liao, Shu-Hang Yen, Ming-Yu Chen-Chi, M. Ma Lee, Shuo-Jen Lin, Yu-Feng Hung, Chih-Hung
Copyright Year	2009
Abstract	Novel metal mesh hybrid polymer composite bipolar plates for proton exchange membrane fuel cells (PEMFCs) have been prepared via inserting a copper or alumina mesh in polymer composites. The composition of polymer composites consisted of 70 wt% graphite powder and 0–2 wt% modified multi-walled carbon nanotubes (m-MWCNTs). Results indicated that the inplane electrical conductivity of m-MWCNTs/polymer composite bipolar plates increased from 156 S cm−1 (0 wt% MWCNT) to 643 Scm−1 (with 1 wt% MWCNT) (D.O.E target > 100 S cm−1). The bulk thermal conductivities of the copper and aluminum mesh hybrid polymer composite bipolar plates increased from 27.2 W m−1 K−1 to 30.0 W m−1 K−1 and 30.4 W m−1 K−1, respectively. Furthermore, the current and power densities of a single fuel cell using copper or alumina mesh hybrid polymer composite bipolar plates are more stable than that of using neat polymer composite bipolar plates, especially in the ohmic overpotential region of the polarization curves of single fuel cell tests. The overall performance confirms that the metal mesh hybrid polymer composite bipolar plates prepared in this study are promising for PEMFC application.
Sponsorship	Advanced Energy Systems Division
Starting Page	871
Ending Page	878
Page Count	8
File Format	PDF
ISBN	9780791848814
DOI	10.1115/FuelCell2009-85134
e-ISBN	9780791838471
Conference Proceedings	ASME 2009 7th International Conference on Fuel Cell Science, Engineering and Technology
Language	English
Publisher Date	2009-06-08
Publisher Place	Newport Beach, California, USA
Access Restriction	Subscribed
Subject Keyword	Carbon nanotube Metal mesh Bipolar plate Polymer composite Fuel cell Plates (structures) Polymer composites Proton exchange membrane fuel cells Fuel cells Metals
Content Type	Text
Resource Type	Article

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