Hydrogen production via aqueous-phase reforming for high-temperature proton exchange membrane fuel cells - a review: [version 3; peer review: 2 approved]

Paranjeet Lakhtaria, Paulo Ribeirinha, Werneri Huhtinen, Saara Viik, José Sousa, Adélio Mendes*

*Corresponding author for this work

    Research output: Contribution to journalReview Articlepeer-review

    Abstract

    Aqueous-phase reforming (APR) can convert methanol and other oxygenated hydrocarbons to hydrogen and carbon dioxide at lower temperatures when compared with the corresponding gas phase process. APR favours the water-gas shift (WGS) reaction and inhibits alkane formation; moreover, it is a simpler and more energy efficient process compared to gas-phase steam reforming. For example, Pt-based catalysts supported on alumina are typically selected for methanol APR, due to their high activity at temperatures of circa 200°C. However, non-noble catalysts such as nickel (Ni) supported on metal-oxides or zeolites are being investigated with promising results in terms of catalytic activity and stability. The development of APR kinetic models and reactor designs is also being addressed to make APR a more attractive process for producing in situ hydrogen. This can also lead to the possibility of APR integration with high-temperature proton exchange membrane fuel cells. The integration can result into increased overall system efficiency and avoiding critical issues faced in the state-of-the-art fuel cells integrated with methanol steam reforming.

    Original languageEnglish
    Article number81
    Number of pages24
    JournalOpen Research Europe
    Volume1
    DOIs
    Publication statusPublished - 2022
    MoE publication typeA2 Review article in a scientific journal

    Funding

    This research was financially supported by the European Union’s Horizon 2020 research and innovation programme under the grant agreement No 875081 (project EMPOWER). This project has also received Base Funding - UIDB/00511/2020 of the Laboratory for Process Engineering, Environment, Biotechnology and Energy – LEPABE - funded by national funds through the FCT/MCTES (PIDDAC).

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