Integrated Solid Oxide Fuel Cell Systems for Electrical Power Generation—A Review

Assabumrungrat, Suttichai; Arpornwichanop, Amornchai; Sukwattanajaroon, Vorachatra; Saebea, Dang

doi:10.1002/9781119066354.ch51

Cited by 4 publications

(2 citation statements)

References 106 publications

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“…Heat integration consists of using the heat available from hot streams to heat up cold streams. This approach aims to reduce the use of hot utilities in the system, and consequently cost of the heat exchange network (HEN) [27,28]. The number of possible solutions is a combination of the available hot and cold streams.…”

Section: Pinch Analysismentioning

confidence: 99%

Thermal Integration of Solid Oxide Fuel Cell with Ethanol Reformer through a Heat Exchanger Network

Siqueira,

Oechsler,

Catapan

2024

Preprint

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The integration of a Solid Oxide Fuel Cell (SOFC) with an ethanol reformer through a heat exchanger network was investigated aiming at improving the system's energy efficiency. This study employs lumped models and 1D modeling techniques, which, despite their simplifications, provide a good balance between computational speed and accuracy. A parametric analysis was performed focusing on the impact of temperature variations (600 oC to 900 oC) and O2:C2H5OH molar ratios (0 to 1) on the system's performance, particularly regarding efficiency, electrical power output, and heat exchange schemes. A heat exchanger network was proposed to recovery heat wasted by the SOFC exhasted gases. Results indicated that higher temperatures enhanced hydrogen production in the reformer, thereby increasing both SOFC electrical power and system efficiency. Without heat integration, the system's overall efficiency was 44.4% under specific operational conditions. Implementing a heat exchanger network, designed via pinch analysis to recuperate 842 W of heat exhasted by the SOFC, elevated the system's efficiency to 61.2%, marking a significant improvement over the non-integrated setup. This efficiency gain was achieved with minimal external heating, highlighting the potential of thermal integration in optimizing SOFC systems.

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Section: Pinch Analysismentioning

confidence: 99%

Thermal Integration of Solid Oxide Fuel Cell with Ethanol Reformer through a Heat Exchanger Network

Siqueira,

Oechsler,

Catapan

2024

Preprint

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show abstract

“…Solid oxide fuel cells (SOFCs) are more efficient than other traditional technologies for energy conversion from fuel to electricity due to their high operating temperature and straightforward power generation process [1][2][3][4][5]. SOFCs consist of 3 key layers: porous anode, dense electrolyte and porous cathode.…”

Section: Introductionmentioning

confidence: 99%

Modelling of finger-like channelled anode support for SOFCs application

Chen

2016

Science Bulletin

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Thermal integration of solid oxide fuel cell with ethanol reformer through a heat exchanger network

Siqueira,

Oechsler,

Catapan

2024

J Braz. Soc. Mech. Sci. Eng.

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Integrated Solid Oxide Fuel Cell Systems for Electrical Power Generation—A Review

Cited by 4 publications

References 106 publications

Thermal Integration of Solid Oxide Fuel Cell with Ethanol Reformer through a Heat Exchanger Network

Thermal Integration of Solid Oxide Fuel Cell with Ethanol Reformer through a Heat Exchanger Network

Modelling of finger-like channelled anode support for SOFCs application

Thermal integration of solid oxide fuel cell with ethanol reformer through a heat exchanger network

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