Modelling and Optimization of Reforming Systems for use in PEM Fuel Cell

Melissa Berry, Anders Risum Korsgaard, Mads Pagh Nielsen

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearch

Abstract

Three different reforming methods for the conversion of natural gas to hydrogen are studied and compared: Steam Reforming (SR), Auto-thermal Reforming (ATR), and Catalytic Partial Oxidation (CPOX). Thermodynamic and kinetic models are developed for the reforming reactors as well as the subsequent reactors needed for CO removal to make the synthesis gas suitable for use in a PEM fuel cell. The systems are optimized to minimize the total volume, and must supply adequate hydrogen to a fuel cell with a 100kW load. The resultant system efficiencies are calculated. The CPOX system is the smallest and exhibits a comparable efficiency to the SR system. The SR system had the best relation between efficiency and volume increase. Optimal temperature profiles within each reactor were found. It was shown that temperature control can significantly reduce reactor volume and increase conversion capabilities.
Original languageEnglish
Title of host publicationProceedings of the "Hydrogen and Fuel Cells 2004 Conference"
Publication date2004
Publication statusPublished - 2004
EventHydrogen and Fuel Cells 2004 Conference - Toronto, Ontario, Canada
Duration: 25 Sep 200428 Sep 2004

Conference

ConferenceHydrogen and Fuel Cells 2004 Conference
CountryCanada
CityToronto, Ontario
Period25/09/200428/09/2004

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