Comparative Analysis of On-Board Methane and Methanol Reforming Systems Combined with HT-PEM Fuel Cell and CO<sub>2</sub> Capture/Liquefaction System for Hydrogen Fueled Ship Application
This study performs energetic and exergetic comparisons between the steam methane reforming and steam methanol reforming technologies combined with HT-PEMFC and a carbon capture/liquefaction system for use in hydrogen-fueled ships. The required space for the primary fuel and captured/liquefied CO<...
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MDPI AG
2020-01-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/13/1/224 |
| _version_ | 1811300281744359424 |
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| author | Hyunyong Lee Inchul Jung Gilltae Roh Youngseung Na Hokeun Kang |
| author_facet | Hyunyong Lee Inchul Jung Gilltae Roh Youngseung Na Hokeun Kang |
| author_sort | Hyunyong Lee |
| collection | DOAJ |
| description | This study performs energetic and exergetic comparisons between the steam methane reforming and steam methanol reforming technologies combined with HT-PEMFC and a carbon capture/liquefaction system for use in hydrogen-fueled ships. The required space for the primary fuel and captured/liquefied CO<sub>2</sub> and the fuel cost have also been investigated to find the more advantageous system for ship application. For the comparison, the steam methane reforming-based system fed by LNG and the steam methanol reforming-based system fed by methanol have been modeled in an Aspen HYSYS environment. All the simulations have been conducted at a fixed W<sub>net</sub>, <sub>electrical</sub> (475 kW) to meet the average shaft power of the reference ship. Results show that at the base condition, the energy and exergy efficiencies of the methanol-based system are 7.99% and 1.89% higher than those of the methane-based system, respectively. The cogeneration efficiency of the methane-based system is 7.13% higher than that of the methanol-based system. The comparison of space for fuel and CO<sub>2</sub> storage reveals that the methanol-based system requires a space 1.1 times larger than that of the methane-based system for the total voyage time, although the methanol-based system has higher electrical efficiency. In addition, the methanol-based system has a fuel cost 2.2 times higher than that of the methane-based system to generate 475 kW net of electricity for the total voyage time. |
| first_indexed | 2024-04-13T06:48:45Z |
| format | Article |
| id | doaj.art-d00d4ef937e64be19dc086caecfd19e1 |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-04-13T06:48:45Z |
| publishDate | 2020-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-d00d4ef937e64be19dc086caecfd19e12022-12-22T02:57:29ZengMDPI AGEnergies1996-10732020-01-0113122410.3390/en13010224en13010224Comparative Analysis of On-Board Methane and Methanol Reforming Systems Combined with HT-PEM Fuel Cell and CO<sub>2</sub> Capture/Liquefaction System for Hydrogen Fueled Ship ApplicationHyunyong Lee0Inchul Jung1Gilltae Roh2Youngseung Na3Hokeun Kang4R&D Division, Korean Register, 36, Myeongji Ocean City 9-ro, Gangseo-gu, Busan 46762, KoreaR&D Division, Korean Register, 36, Myeongji Ocean City 9-ro, Gangseo-gu, Busan 46762, KoreaR&D Division, Korean Register, 36, Myeongji Ocean City 9-ro, Gangseo-gu, Busan 46762, KoreaDepartment of Mechanical and Information Engineering, University of Seoul, Seoulsiripdaero 163, Dongdaemun-gu, Seoul 02504, KoreaDivision of Marine System Engineering, Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-Gu, Busan 49112, KoreaThis study performs energetic and exergetic comparisons between the steam methane reforming and steam methanol reforming technologies combined with HT-PEMFC and a carbon capture/liquefaction system for use in hydrogen-fueled ships. The required space for the primary fuel and captured/liquefied CO<sub>2</sub> and the fuel cost have also been investigated to find the more advantageous system for ship application. For the comparison, the steam methane reforming-based system fed by LNG and the steam methanol reforming-based system fed by methanol have been modeled in an Aspen HYSYS environment. All the simulations have been conducted at a fixed W<sub>net</sub>, <sub>electrical</sub> (475 kW) to meet the average shaft power of the reference ship. Results show that at the base condition, the energy and exergy efficiencies of the methanol-based system are 7.99% and 1.89% higher than those of the methane-based system, respectively. The cogeneration efficiency of the methane-based system is 7.13% higher than that of the methanol-based system. The comparison of space for fuel and CO<sub>2</sub> storage reveals that the methanol-based system requires a space 1.1 times larger than that of the methane-based system for the total voyage time, although the methanol-based system has higher electrical efficiency. In addition, the methanol-based system has a fuel cost 2.2 times higher than that of the methane-based system to generate 475 kW net of electricity for the total voyage time.https://www.mdpi.com/1996-1073/13/1/224steam methane reformingsteam methanol reformingelectrical efficiencyexergy efficiencylng |
| spellingShingle | Hyunyong Lee Inchul Jung Gilltae Roh Youngseung Na Hokeun Kang Comparative Analysis of On-Board Methane and Methanol Reforming Systems Combined with HT-PEM Fuel Cell and CO<sub>2</sub> Capture/Liquefaction System for Hydrogen Fueled Ship Application Energies steam methane reforming steam methanol reforming electrical efficiency exergy efficiency lng |
| title | Comparative Analysis of On-Board Methane and Methanol Reforming Systems Combined with HT-PEM Fuel Cell and CO<sub>2</sub> Capture/Liquefaction System for Hydrogen Fueled Ship Application |
| title_full | Comparative Analysis of On-Board Methane and Methanol Reforming Systems Combined with HT-PEM Fuel Cell and CO<sub>2</sub> Capture/Liquefaction System for Hydrogen Fueled Ship Application |
| title_fullStr | Comparative Analysis of On-Board Methane and Methanol Reforming Systems Combined with HT-PEM Fuel Cell and CO<sub>2</sub> Capture/Liquefaction System for Hydrogen Fueled Ship Application |
| title_full_unstemmed | Comparative Analysis of On-Board Methane and Methanol Reforming Systems Combined with HT-PEM Fuel Cell and CO<sub>2</sub> Capture/Liquefaction System for Hydrogen Fueled Ship Application |
| title_short | Comparative Analysis of On-Board Methane and Methanol Reforming Systems Combined with HT-PEM Fuel Cell and CO<sub>2</sub> Capture/Liquefaction System for Hydrogen Fueled Ship Application |
| title_sort | comparative analysis of on board methane and methanol reforming systems combined with ht pem fuel cell and co sub 2 sub capture liquefaction system for hydrogen fueled ship application |
| topic | steam methane reforming steam methanol reforming electrical efficiency exergy efficiency lng |
| url | https://www.mdpi.com/1996-1073/13/1/224 |
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