Fuel processor – fuel cell integration: Systemic issues and challenges

Kalmula, Babita; Kondapuram, Vijaya Raghavan

doi:10.1016/j.rser.2015.01.034

Cited by 10 publications

(1 citation statement)

References 31 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…As an important technology pathway for near-term hydrogen production, NG reforming can take place through various thermal processes, − such as dry reforming (DR), partial oxidation (POX), autothermal reforming (ATR), and steam reforming (SR). During these producing options, the most mature production process is SR in which high-temperature (700–1000 °C) steam and NG are used to produce hydrogen.…”

Section: Introductionmentioning

confidence: 99%

Improved Performance of the Natural Gas Steam Reforming by Coupling with Internal Combustor and Target Heat Transfer in an Integrated Reactor

Pan

Zhang

et al. 2020

Ind. Eng. Chem. Res.

View full text Add to dashboard Cite

A compact reactor for natural gas steam reforming, in which hydrogen production was coupled with an internal combustor in alternate chambers, was developed and tested. Based on the target heat transfer concept, different reactor configurations in different reaction regions were specially designed to obtain uniform temperature distributions while it also effectively avoided hot spots in the reaction zones. For all of the reactor performances, the commercial natural gas (NG) was used to produce a hydrogenrich reformate. The reactor could be easily started up and controlled steadily within 20−23 min by the flame combustion. A long-term test of 1000 h was performed to investigate the reactor's unsteady-state operation. During the performance, frequent change of NG and water in the reforming chamber contributed to 1.2 and 3.3 m 3 /h hydrogen yields. Although the temperatures in the reaction zones also fluctuated according to the performance, the corrugated metallic fins in the reactor could reduce this disturbance tendency and the temperatures at the monitoring points were maintained at 700−780 °C, which ensured minor fluctuation of the reformate composition.

show abstract

Section: Introductionmentioning

confidence: 99%

Improved Performance of the Natural Gas Steam Reforming by Coupling with Internal Combustor and Target Heat Transfer in an Integrated Reactor

Pan

Zhang

et al. 2020

Ind. Eng. Chem. Res.

View full text Add to dashboard Cite

show abstract

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

et al. 2019

View full text Add to dashboard Cite

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.

show abstract