Fuel Cell Fundamentals by Ryan O'Hayre & Suk-Won Cha & Whitney Colella & Fritz B. Prinz

Author:Ryan O'Hayre & Suk-Won Cha & Whitney Colella & Fritz B. Prinz
Language: eng
Format: mobi, pdf
ISBN: 9781119114154
Publisher: Wiley
Published: 2016-04-12T21:00:00+00:00

Figure 8.12 A membraneless fuel cell design based on a Y-shaped microfluidic channel configuration that places fuel and oxidant streams into diffusional contact without mixing. The left-hand oxygenated electrolyte stream passes over a cathode electrode, while the right-hand fuel-saturated electrolyte stream passes over the anode. Protons can transport across the stream, but fuel and oxygen do not mix because of the laminar flow. However, fuel and oxidant will be depleted near the electrodes and will begin to mix in the center region by diffusion; these two processes set a maximum effective length for the fuel cell (typically micrometers to millimeters).

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