NDLI: Preparation and evaluation of advanced electrocatalysts for phosphoric acid fuel cells (Document No: 19810022019)

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Preparation and evaluation of advanced electrocatalysts for phosphoric acid fuel cells (Document No: 19810022019)

Content Provider	NASA Technical Reports Server (NTRS)
Author	Baris, J. Stonehart, P. Pagliaro, P. Hochmuth, J.
Copyright Year	1981
Description	The highest performance fuel cell cathode electrocatalyst combination ever observed gives 755 mV vs hydrogen at 100 ASF on air at 180 C and shows a potential improvement to 775 mV vs hydrogen for better electrode structures. A pressurized fuel cell (UTC at 5 atm) would then give 805 mV at 320 ASF and 180 C. Another activity diagnostic is the performance of this electrocatalyst on oxygen at 900 mV vs hydrogen. The value for electrocatalyst is 44 mA per milligram of platinum and is projected to reach 60 mA per milligram of platinum with improved electrode structures. Since the electrocatalyst surface area and the electrode structure are not yet optimized there is considerable room for performance enhancement beyond these values, especially at higher temperatures.
File Size	3684077
Page Count	28
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19810022019
Archival Resource Key	ark:/13960/t6c29qg4v
Language	English
Publisher Date	1981-06-30
Access Restriction	Open
Subject Keyword	Energy Production And Conversion Electrodes Chemisorption Oxygen Impurities Platinum Electrocatalysts Hydrocarbons Catalytic Activity Phosphoric Acid Fuel Cells Carbon Current Density Graphs Charts Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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