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  • Concept of an integrated thermally self-sustained methanol steam reformer [Elektronski vir] : high-temperature PEM fuel cell stack manportable system
    Lotrič, Andrej ...
    A concept of an integrated system for small, manportable power units was investigated. The focus of this study is the direct thermal coupling of a methanol steam reformer (MSR) and a high-temperature ... proton exchange membrane fuel cell (HT PEMFC) stack. A recently developed low-temperature (LT) MSR catalyst (CuZnGaOx) was synthesized and tested in a designed reforming reactor. The experimental data show that at 200 °C the complete conversion of methanol is achievable with a hydrogen yield of 45 cm3 min 1 gCAT 1. The obtained LT MSR kinetic parameters and the measured characteristics of the two-cell HT PEMFC stack were used in the modelling of the integrated system. The simulations show that the integrated system, which also includes a vaporizer, can achieve a thermally self-sustained working point. The model predicts a power output of 8.5 W, a methanol conversion of 98.5%, and a gross electrical efficiency of 21.7% (higher heating value).
    Source: Hydrogen and fuel cells [Elektronski vir] : (conference proceedings) (2017, Str. [75]-86)
    Type of material - conference contribution
    Publish date - 2017
    Language - english
    COBISS.SI-ID - 15551515

    Link(s):

    http://press.um.si/index.php/ump/catalog/view/245/207/432-1

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