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Energy efficiency of platinum-free alkaline direct formate fuel cells

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Aug 2016 Germany, Italy Publisher:Elsevier BVJournal:Applied Energy, volume 175, pages 479-487 (issn: 0306-2619,

Authors: Wang, L. Q.; BELLINI, MARCO; FILIPPI, JONATHAN; Folliero, M.; LAVACCHI, ALESSANDRO; INNOCENTI, MASSIMO; MARCHIONNI, ANDREA; +2 Authors

doi: 10.1016/j.apenergy.2016.02.129

handle: 11365/1028092 , 2158/1087586

Energy efficiency of platinum-free alkaline direct formate fuel cells

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Abstract

We report the energy performance of a new platinum-free alkaline direct formate fuel cell, equipped with a commercial anion exchange membrane, a nanostructured Pd/C anode and a Fe-Co/C cathode. The cell was investigated both at room temperature and at 60 degrees C for the determination of the following parameters: (i) maximum power density, (ii) delivered energy, (iii) faradic (fuel conversion) and energy efficiency. These parameters show a dramatic dependence on fuel composition. The highest energy efficiency is obtained using high energy density fuel (4 M KCOOH and 4 M KOH) and with a maximum operating temperature of 60 degrees C. This represents a key step in the progress of alkaline platinum-free DFFC technology, demonstrating their potential as power sources for portable electronic devices and remote power generation systems. For example, a fuel load of 750 ml in a DFFC device operating at 60 degrees C would be able to produce 90 W h of energy, that required to fully charge the battery of a laptop computer. (C) 2016 Elsevier Ltd. All rights reserved.

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Germany, Italy

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Keywords

Monitoring, Policy and Law, Platinum-free, Mechanical Engineering, Electrochemical energy conversion, 600, Building and Construction, Catalysis, Management, Direct formate fuel cells, Energy (all), Energy efficiency, Portable power source, Direct formate fuel cells; Electrochemical energy conversion; Energy efficiency; Platinum-free; Portable power sources; Civil and Structural Engineering; Building and Construction; Energy (all); Mechanical Engineering; Management, Monitoring, Policy and Law, Portable power sources, Direct formate fuel cell, Civil and Structural Engineering

1 Research products, page 1 of 1

Improving the Energy Efficiency of Direct Formate Fuel Cells with a Pd/C-CeO2 Anode Catalyst and Anion Exchange Ionomer in the Catalyst Layer
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