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Recommended Papers for: Bipolar Plates

Total Papers Found: 4

Synergistic Effects of Carbon Fillers in Thermally Conductive Liquid Crystal Polymer Based Resins

Three different carbons (carbon black, synthetic graphite particles and carbon fiber) were added to Vectra A950RX Liquid Crystal Polymer in order to synthesize different composites for use in fuel cells. The carbon fillers were used individually and also in combination with other carbon fillers. A TPS was used to measure the thermal conductivities of the synthesized composites. It was found that the use of synthetic graphite particles as the ...

Author(s): , , , ,

Thermal conductivity of carbon fiber/liquid crystal polymer composites

Two different types of polyacrylonitrile carbon fibers (Fortafil 243 and Panex 30) were added to thermoplastic matrix (Vectra A950RX Liquid Crystal Polymer) in order to generate carbon fiber/liquid-crystal polymer composites. The in plane and through-plane thermal conductivities of these composites were then evaluated and compared to values generated from a theoretical model, with good agreement. Panex 30 gave higher in-plane thermal conductivity than Fortafil 243 for all volume fractions studied....

Author(s): , , ,

Measuring thermal conductivities of anisotropic synthetic graphite-liquid crystal polymer composites

Synthetic graphite particles were added to a liquid crystal polymer and then these composites were tested for through-plane and in-plane thermal conductivity using the TPS method. The authors expanded on an empirical model created to determine the relationship between thermal conductivity and volume percent of filler. This empirical model can now be used to approximate the in-plane thermal conductivities for a range of applications....

Author(s): , , , , ,

Electrical and thermal conductivities of novel metal mesh hybrid polymer composite bipolar plates for proton exchange membrane fuel cells

A novel technique was used in this research article, to introduce a hybrid mesh to a polymer composite within bipolar plates, for proton exchange membrane fuel cells (PEMFCs). The mesh added was copper or aluminum based, to allow for an increased thermal conductivity of the PEMFCs. Experimental testing confirms this theory, as the copper-meshed hybrid polymer composite showed a thermal conductivity of 30.0 W/mK, while the aluminum-meshed hybrid polymer composite ...