Title
Thermal and electrical performance of an alkaline fuel cell Thermal and electrical performance of an alkaline fuel cell
Author
Faculty/Department
Faculty of Applied Engineering Sciences
Publication type
article
Publication
Oxford ,
Subject
Engineering sciences. Technology
Source (journal)
Applied thermal engineering: design, processes, equipment, economics. - Oxford
Volume/pages
40(2012) , p. 227-235
ISSN
1359-4311
ISI
000306380200025
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
Fuel cells have interesting prospects to integrate in alternative energy systems. Alkaline fuel cells have the potential to be manufactured at low cost, as they dont require noble materials for catalysts. To analyse the thermal-physical behaviour of an alkaline fuel cell (AFC), allowing a well designed integration in a new energy system, a heat and performance study is performed on the AFC stack. An outlook is presented of the different electrical and thermal power outputs and how they can be influenced by the main operating parameters. This will enable the integration of all these power outputs in an optimized energy system. To optimize stack performance, taking both electrical and thermal performance into account, an evaluation method, based on primary energy savings, is presented. Finally, a parameter study is performed, which will enable an improved system design or control strategy for an AFC-based CHP-unit. Most of these improvements are found in a reduction of transmission losses and by increasing input air temperature and humidity, resulting in both higher electric and thermal performance.
E-info
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