Non-isothermal transport phenomenon and cell performance of a cathodic PEM fuel cell with a baffle plate in a tapered channel

Shiang-Wuu Perng and Horng-Wen Wu

Applied Energy, 2011, vol. 88, issue 1, 52-67

Abstract: This study uses a projection finite element analysis with an element-by-element preconditioned conjugate gradient method to investigate the non-isothermal tapered flow channel installed with a baffle plate for enhancing cell performance in the cathodic side of a PEMFC. The parameters studies including tapered ratio (0.25Â ~Â 1.0) and gap ratio (0.005Â ~Â 0.2) on the cell performance have been explored in detail. The results indicate that the stronger composite effect of tapered flow channel and baffle blockage provides a better convection heat transfer performance and a higher fuel flow velocity and thus enhances the cell performance.

Keywords: Proton; exchange; membrane; fuel; cell; Performance; enhancement; Non-isothermal; tapered; flow; field; Gap; ratio; Projection; finite; element; Baffle; plate (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (28)

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