Design, Construction and Research Application of a Differential Electrochemical Mass Spectrometer (DEMS)

  • Sean James Ashton

Part of the Springer Theses book series (Springer Theses, volume 8)

Table of contents

  1. Front Matter
    Pages i-xix
  2. Sean James Ashton
    Pages 1-8
  3. Sean James Ashton
    Pages 9-27
  4. Sean James Ashton
    Pages 29-80
  5. Sean James Ashton
    Pages 81-112
  6. Sean James Ashton
    Pages 205-208
  7. Back Matter
    Pages 209-222

About this book


Sean Ashton's doctoral thesis, which he finished at the Technical University in Munich, describes the challenge of constructing a Differential Electrochemical Mass Spectrometer instrument (DEMS). DEMS combines an electrochemical cell with mass spectrometry via a membrane interface, allowing gaseous and volatile electrochemical reaction species to be monitored online.

The thesis carefully introduces the fuel cell electrocatalyst development concerns before reviewing the pertinent literature on DEMS. This is followed by the presentation and discussion of the new extended design, including a thorough characterization of the instrument. The capabilities of the new setup are demonstrated in two research studies: The methanol oxidation reaction on Pt and PtRu catalysts, and the electrochemical corrosion of fuel cell catalyst supports. Despite both topics having long since been studied, new insights can be obtained through careful investigations with the new DEMS instrument that are of great, general interest. The thesis and the instrument thus show the way for future investigations in the field.


Carbon Support Oxidation DEMS Instrument Design Differential Electrochemical Mass Spectrometry (DEMS) Differential Vacuum Pumping Fuel Cell Electrocatalysis Methanol Oxidation PTFE Membrane Interface

Authors and affiliations

  • Sean James Ashton
    • 1
  1. 1., Department of ChemistryUniversity of CopenhagenCopenhagenDenmark

Bibliographic information

  • DOI
  • Copyright Information Springer-Verlag Berlin Heidelberg 2012
  • Publisher Name Springer, Berlin, Heidelberg
  • eBook Packages Chemistry and Materials Science
  • Print ISBN 978-3-642-30549-8
  • Online ISBN 978-3-642-30550-4
  • Series Print ISSN 2190-5053
  • Series Online ISSN 2190-5061
  • Buy this book on publisher's site
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