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Compact Fuel-Cell System Would Consume Neat Methanol (2007)

Narayanan, Sekharipuram ; Kindler, Andrew ; Valdez, Thomas

In: CASI

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Publication Date: 2019-07-12

Description: In a proposed direct methanol fuel-cell electric-power-generating system, the fuel cells would consume neat methanol, in contradistinction to the dilute aqueous methanol solutions consumed in prior direct methanol fuel-cell systems. The design concept of the proposed fuel-cell system takes advantage of (1) electro-osmotic drag and diffusion processes to manage the flows of hydrogen and water between the anode and the cathode and (2) evaporative cooling for regulating temperature. The design concept provides for supplying enough water to the anodes to enable the use of neat methanol while ensuring conservation of water for the whole fuel-cell system.

Keywords: Energy Production and Conversion

Type: NPO-41661 , NASA Tech Briefs, June 2007; 25-27

Format: application/pdf

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