Water balance in fuel cells systems.

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Description

Fuel cell systems are attractive for their high efficiency (i.e., electric power generated per weight/volume of fuel,) and lower emissions. These systems are being developed for applications that include transportation (propulsion and auxiliary), remote stationary, and portable. Where these systems use on-board fuel processing of available fuels, the fuel processor requires high-purity water. For utility applications, this water may be available on-site, but for most applications, the process water must be recovered from the fuel cell system exhaust gas. For such applications, it is critically important that the fuel cell system be a net water-producing device. A variety of environmental ... continued below

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7 pages

Creation Information

Kopasz, J.; Ahmed, S.; Kumar, R. & Krumpelt, M. January 10, 2002.

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Description

Fuel cell systems are attractive for their high efficiency (i.e., electric power generated per weight/volume of fuel,) and lower emissions. These systems are being developed for applications that include transportation (propulsion and auxiliary), remote stationary, and portable. Where these systems use on-board fuel processing of available fuels, the fuel processor requires high-purity water. For utility applications, this water may be available on-site, but for most applications, the process water must be recovered from the fuel cell system exhaust gas. For such applications, it is critically important that the fuel cell system be a net water-producing device. A variety of environmental conditions (e.g., ambient temperature, pressure), fuel cell system design, and operating conditions determine whether the fuel cell system is water-producing or water-consuming. This paper will review and discuss the conditions that determine the net-water balance of a generic fuel cell system and identify some options that will help meet the water needs of the fuel processor.

Physical Description

7 pages

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  • AIChE 2002 Spring National Meeting, New Orleans, LA (US), 03/10/2002--03/14/2002

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  • Report No.: ANL/CMT/CP-106601
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 793077
  • Archival Resource Key: ark:/67531/metadc742755

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Creation Date

  • January 10, 2002

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

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  • March 30, 2016, 7:35 p.m.

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Kopasz, J.; Ahmed, S.; Kumar, R. & Krumpelt, M. Water balance in fuel cells systems., article, January 10, 2002; Illinois. (digital.library.unt.edu/ark:/67531/metadc742755/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.