Novel macro-segmented fuel cell approach to investigation of localized degradation in PEMFCs

C. Rabissi, J. L. Bonde, E. Brightman, G. Hinds, A. Casalegno

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Abstract

Here we present a novel concept of a segmented fuel cell, developed to fully and independently characterize four macro-segments of a single cell without introducing any modification to the MEA structure itself. This permits complete characterization of local electrochemical performance (using polarization curves, impedance spectra, cyclic and linear voltammetry) and mass composition (via gas-chromatography) during durability tests. Moreover, each of the four segments is fitted with an innovative reference electrode using an external, through-plane array configuration, enabling separation of anode and cathode contributions and their spatial evolution. This setup has been firstly applied to generate unprecedented insights into the evolution of local performance during DMFC operation. The variation of anode and cathode potential as a function of location within the cell and the correlation with heterogeneous current density distribution are discussed.

Original languageEnglish
Title of host publicationProceedings of the 6th European Fuel Cell - Piero Lunghi Conference, EFC 2015
EditorsChiara Barchiesi, Michela Chianella, Viviana Cigolotti
Pages95-96
Number of pages2
ISBN (Electronic)9788882863241
Publication statusPublished - 1 Jan 2015
Event6th European Fuel Cell Technology and Applications Conference - Piero Lunghi Conference, EFC 2015 - Naples, Italy
Duration: 16 Dec 201518 Dec 2015

Conference

Conference6th European Fuel Cell Technology and Applications Conference - Piero Lunghi Conference, EFC 2015
CountryItaly
CityNaples
Period16/12/1518/12/15

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Keywords

  • degradation
  • DMFC
  • heterogeneities
  • reference electrode

Cite this

Rabissi, C., Bonde, J. L., Brightman, E., Hinds, G., & Casalegno, A. (2015). Novel macro-segmented fuel cell approach to investigation of localized degradation in PEMFCs. In C. Barchiesi, M. Chianella, & V. Cigolotti (Eds.), Proceedings of the 6th European Fuel Cell - Piero Lunghi Conference, EFC 2015 (pp. 95-96)