A miniature fuel reformer system for portable power sources

Dolanč, Gregor; Belavič, Darko; Hrovat, Marko; Hočevar, Stanko; Pohar, Andrej; Petrovĉiĉ, Janko; Musizza, Bojan

doi:10.1016/j.jpowsour.2014.08.021

Cited by 23 publications

(10 citation statements)

References 20 publications

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“…[2] There are several studies on the reforming reactions to produce hydrogen, and these reactions use, mostly, heterogeneous catalysts. In this case, the most widely used sources of H 2 are alcohols (methanol [3][4][5][6][7] and ethanol [8][9][10] ), hydrocarbons (methane [11][12][13] ), and other organic compounds (dimethyl ether [14][15][16][17] and glycerin [18][19][20] ).…”

Section: Introductionmentioning

confidence: 99%

Utilization of sol‐gel CuO‐ZnO‐Al₂O₃ catalysts in the methanol steam reforming for hydrogen production

et al. 2017

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In this work five CuO‐ZnO‐Al2O3 catalysts were synthesized using the sol‐gel method, with different Cu percentages, for use in the methanol steam reforming reaction, at 300 °C, aiming to generate hydrogen for PEM (Polymer Electrolyte Membrane) fuel cells. The specific area and total pore volume of the materials decreased with increasing Cu content and consequently reduced the alumina content. Also, the area decreased with increasing the calcination temperature, due to the sintering and coalescence of Cu crystals. The metal dispersion decreased (from 32 to 4 %) with increasing the Cu amount (from 8.9 to 48.4 %). For this reaction, the catalyst with the second highest Cu concentration (40.6 %) was the most active and had the higher Cu area (34.8 m2Cu/gcat). Meanwhile, the catalyst with the lowest Cu content (8.9 %) had its active sites better used, presenting the highest turnover frequency, specific area, and metal dispersion. The experimental results indicated that there was an optimum composition for the catalyst, which would provide the best area and dispersion for the reaction, with a view to industrial application. This composition was statistically calculated to be 33 % (g/g) of Cu.

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Section: Introductionmentioning

confidence: 99%

Utilization of sol‐gel CuO‐ZnO‐Al₂O₃ catalysts in the methanol steam reforming for hydrogen production

et al. 2017

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“…Because of enhanced heat transfer, higher methanol conversion at lower temperatures is obtained in these reformers . Also, microchannel design can be maximized with deployment of the catalyst directly on the internal surface in the wash‐coated reformers . As well, the wash‐coated reformers have a benefit from a pressure drop .…”

Section: Methanol Reformingmentioning

confidence: 99%

“…Also, microchannel design can be maximized with deployment of the catalyst directly on the internal surface in the wash‐coated reformers . As well, the wash‐coated reformers have a benefit from a pressure drop . Because of the aforementioned advantages of the wash‐coated microstructured methanol reformers, the attention of researchers and companies has been dramatically increasing towards the wash‐coated microstructured reformer technology.…”

Section: Methanol Reformingmentioning

confidence: 99%

An overview of the methanol reforming process: Comparison of fuels, catalysts, reformers, and systems

et al. 2019

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Summary One of the main challenges facing power generation by fuel cells involves the difficulties related to hydrogen storage. Several methods have been suggested and studied by researchers to overcome this problem. Among these methods, using fuel reformers as a component of the fuel cell system is a practical and promising alternative to hydrogen storage. Among many hydrogen carrier fuels used in reformers, methanol is one of the most attractive ones because of its distinctive properties. To design and improve of the methanol reformate gas fuel cell systems, different aspects such as promising market applications for reformate gas–fueled fuel cell systems, and catalysts for methanol reforming should be considered. Therefore, our goal in this paper is to provide a comprehensive overview on the past and recent studies regarding methanol reforming technologies, while considering different aspects of this topic. Firstly, different fuel reforming processes are briefly explained in the first section of the paper. Then properties of various fuels and reforming of these fuels are compared, and the characteristics of commercial reformate gas–fueled systems are presented. The main objective of the first section of the paper is to give information about studies and market applications related to reformation of various fuels to understand advantages and disadvantages of using various fuels for different practical applications. In the next sections of the paper, advancements in the methanol reforming technology are explained. The methanol reforming catalysts and reaction kinetics studies by various researchers are reviewed, and the advantages and disadvantages of each catalyst are discussed, followed by presenting the studies accomplished on different types of reformers. The effects of operating parameters on methanol reforming are also discussed. In the last section of this paper, methanol reformate gas–fueled fuel cell systems are reviewed. Overall, this review paper provides insight to researchers on what has been accomplished so far in the field of methanol reforming for fuel cell power generation applications to better plan the next stage of studies in this field.

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“…Partial oxidation and autothermal reforming of methanol can be used to convert the fuel to the reformate gas. However, the molar flow rate of H 2 in the reformate gas is higher for methanol steam reforming [11], as well as reactions in the reformer take place at lower temperatures [21]. Also, a low CO ratio can be obtained for the methanol steam reformer [22].…”

Section: System and Process Descriptionmentioning

confidence: 99%

Modeling and parametric study of a methanol reformate gas-fueled HT-PEMFC system for portable power generation applications

Herdem

Farhad

Hamdullahpur

2015

Energy Conversion and Management

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A miniature fuel reformer system for portable power sources

Cited by 23 publications

References 20 publications

Utilization of sol‐gel CuO‐ZnO‐Al₂O₃ catalysts in the methanol steam reforming for hydrogen production

Utilization of sol‐gel CuO‐ZnO‐Al₂O₃ catalysts in the methanol steam reforming for hydrogen production

An overview of the methanol reforming process: Comparison of fuels, catalysts, reformers, and systems

Modeling and parametric study of a methanol reformate gas-fueled HT-PEMFC system for portable power generation applications

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A miniature fuel reformer system for portable power sources

Cited by 23 publications

References 20 publications

Utilization of sol‐gel CuO‐ZnO‐Al2O3 catalysts in the methanol steam reforming for hydrogen production

Utilization of sol‐gel CuO‐ZnO‐Al2O3 catalysts in the methanol steam reforming for hydrogen production

An overview of the methanol reforming process: Comparison of fuels, catalysts, reformers, and systems

Modeling and parametric study of a methanol reformate gas-fueled HT-PEMFC system for portable power generation applications

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Product

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Utilization of sol‐gel CuO‐ZnO‐Al₂O₃ catalysts in the methanol steam reforming for hydrogen production

Utilization of sol‐gel CuO‐ZnO‐Al₂O₃ catalysts in the methanol steam reforming for hydrogen production