Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks

This study concerns numerical investigation of a solid oxide electrolysis stack, in which the cells are pressurized on only the fuel side (single-sided mode) or both fuel and air sides (double-sided mode). A 90-cell stack model is used to study the effects of the operating pressure on the polarizati...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Rizvandi, Omid Babaie [verfasserIn] Frandsen, Henrik Lund [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Solid oxide electrolysis stack High-pressure operation Stack-scale modeling ASR variations OCV variations Flow field improvement

Übergeordnetes Werk:	Enthalten in: International journal of hydrogen energy - New York, NY [u.a.] : Elsevier, 1976, 48
Übergeordnetes Werk:	volume:48

DOI / URN:	10.1016/j.ijhydene.2023.04.169

Katalog-ID:	ELV062042254

Internformat


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100	1		\|a Rizvandi, Omid Babaie \|e verfasserin \|4 aut
245	1	0	\|a Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks
264		1	\|c 2023
336			\|a nicht spezifiziert \|b zzz \|2 rdacontent
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520			\|a This study concerns numerical investigation of a solid oxide electrolysis stack, in which the cells are pressurized on only the fuel side (single-sided mode) or both fuel and air sides (double-sided mode). A 90-cell stack model is used to study the effects of the operating pressure on the polarization curves, area-specific-resistance (ASR), temperature, and pressure. The model predicts higher open-circuit voltage (OCV), lower ASR, and lower pressure drops over the flow fields at higher operating pressures. The latter leads to flexibility in the flow field design. The results show that the single-sided mode hinders the OCV increase and reduces the ASR. Nonetheless, the ASR reduction under the double-sided mode is more significant than the single-sided mode. Therefore, the double-sided mode performs better at high current densities since its higher ASR reduction provides a lower increase in the stack voltage (/input power). Moreover, the results indicate a nonlinear relationship between the temperature distribution and the operating pressure under the double-sided mode due to its counteracting effects on the ohmic heat sources and reaction heat sink. It is illustrated that the temperature difference over the stack decreases under the double-sided mode at higher operating pressures and lower current densities.
650		4	\|a Solid oxide electrolysis stack
650		4	\|a High-pressure operation
650		4	\|a Stack-scale modeling
650		4	\|a ASR variations
650		4	\|a OCV variations
650		4	\|a Flow field improvement
700	1		\|a Frandsen, Henrik Lund \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t International journal of hydrogen energy \|d New York, NY [u.a.] : Elsevier, 1976 \|g 48 \|h Online-Ressource \|w (DE-627)301511357 \|w (DE-600)1484487-4 \|w (DE-576)096806397 \|x 1879-3487 \|7 nnns
773	1	8	\|g volume:48
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912			\|a GBV_ILN_73
912			\|a GBV_ILN_74
912			\|a GBV_ILN_90
912			\|a GBV_ILN_95
912			\|a GBV_ILN_100
912			\|a GBV_ILN_105
912			\|a GBV_ILN_110
912			\|a GBV_ILN_150
912			\|a GBV_ILN_151
912			\|a GBV_ILN_187
912			\|a GBV_ILN_213
912			\|a GBV_ILN_224
912			\|a GBV_ILN_230
912			\|a GBV_ILN_370
912			\|a GBV_ILN_602
912			\|a GBV_ILN_702
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912			\|a GBV_ILN_2004
912			\|a GBV_ILN_2005
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912			\|a GBV_ILN_2008
912			\|a GBV_ILN_2009
912			\|a GBV_ILN_2010
912			\|a GBV_ILN_2011
912			\|a GBV_ILN_2014
912			\|a GBV_ILN_2015
912			\|a GBV_ILN_2020
912			\|a GBV_ILN_2021
912			\|a GBV_ILN_2025
912			\|a GBV_ILN_2026
912			\|a GBV_ILN_2027
912			\|a GBV_ILN_2034
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2055
912			\|a GBV_ILN_2056
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2088
912			\|a GBV_ILN_2106
912			\|a GBV_ILN_2110
912			\|a GBV_ILN_2111
912			\|a GBV_ILN_2112
912			\|a GBV_ILN_2122
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912			\|a GBV_ILN_2143
912			\|a GBV_ILN_2152
912			\|a GBV_ILN_2153
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912			\|a GBV_ILN_2336
912			\|a GBV_ILN_2470
912			\|a GBV_ILN_2507
912			\|a GBV_ILN_4035
912			\|a GBV_ILN_4037
912			\|a GBV_ILN_4112
912			\|a GBV_ILN_4125
912			\|a GBV_ILN_4242
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912			\|a GBV_ILN_4305
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912			\|a GBV_ILN_4313
912			\|a GBV_ILN_4322
912			\|a GBV_ILN_4323
912			\|a GBV_ILN_4324
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912			\|a GBV_ILN_4333
912			\|a GBV_ILN_4334
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912			\|a GBV_ILN_4393
912			\|a GBV_ILN_4700
936	b	k	\|a 52.56 \|j Regenerative Energieformen \|j alternative Energieformen \|q VZ
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bklnumber	52.56
publishDate	2023
allfields	10.1016/j.ijhydene.2023.04.169 doi (DE-627)ELV062042254 (ELSEVIER)S0360-3199(23)01949-3 DE-627 ger DE-627 rda eng 660 620 VZ 52.56 bkl Rizvandi, Omid Babaie verfasserin aut Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study concerns numerical investigation of a solid oxide electrolysis stack, in which the cells are pressurized on only the fuel side (single-sided mode) or both fuel and air sides (double-sided mode). A 90-cell stack model is used to study the effects of the operating pressure on the polarization curves, area-specific-resistance (ASR), temperature, and pressure. The model predicts higher open-circuit voltage (OCV), lower ASR, and lower pressure drops over the flow fields at higher operating pressures. The latter leads to flexibility in the flow field design. The results show that the single-sided mode hinders the OCV increase and reduces the ASR. Nonetheless, the ASR reduction under the double-sided mode is more significant than the single-sided mode. Therefore, the double-sided mode performs better at high current densities since its higher ASR reduction provides a lower increase in the stack voltage (/input power). Moreover, the results indicate a nonlinear relationship between the temperature distribution and the operating pressure under the double-sided mode due to its counteracting effects on the ohmic heat sources and reaction heat sink. It is illustrated that the temperature difference over the stack decreases under the double-sided mode at higher operating pressures and lower current densities. Solid oxide electrolysis stack High-pressure operation Stack-scale modeling ASR variations OCV variations Flow field improvement Frandsen, Henrik Lund verfasserin aut Enthalten in International journal of hydrogen energy New York, NY [u.a.] : Elsevier, 1976 48 Online-Ressource (DE-627)301511357 (DE-600)1484487-4 (DE-576)096806397 1879-3487 nnns volume:48 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 52.56 Regenerative Energieformen alternative Energieformen VZ AR 48
spelling	10.1016/j.ijhydene.2023.04.169 doi (DE-627)ELV062042254 (ELSEVIER)S0360-3199(23)01949-3 DE-627 ger DE-627 rda eng 660 620 VZ 52.56 bkl Rizvandi, Omid Babaie verfasserin aut Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study concerns numerical investigation of a solid oxide electrolysis stack, in which the cells are pressurized on only the fuel side (single-sided mode) or both fuel and air sides (double-sided mode). A 90-cell stack model is used to study the effects of the operating pressure on the polarization curves, area-specific-resistance (ASR), temperature, and pressure. The model predicts higher open-circuit voltage (OCV), lower ASR, and lower pressure drops over the flow fields at higher operating pressures. The latter leads to flexibility in the flow field design. The results show that the single-sided mode hinders the OCV increase and reduces the ASR. Nonetheless, the ASR reduction under the double-sided mode is more significant than the single-sided mode. Therefore, the double-sided mode performs better at high current densities since its higher ASR reduction provides a lower increase in the stack voltage (/input power). Moreover, the results indicate a nonlinear relationship between the temperature distribution and the operating pressure under the double-sided mode due to its counteracting effects on the ohmic heat sources and reaction heat sink. It is illustrated that the temperature difference over the stack decreases under the double-sided mode at higher operating pressures and lower current densities. Solid oxide electrolysis stack High-pressure operation Stack-scale modeling ASR variations OCV variations Flow field improvement Frandsen, Henrik Lund verfasserin aut Enthalten in International journal of hydrogen energy New York, NY [u.a.] : Elsevier, 1976 48 Online-Ressource (DE-627)301511357 (DE-600)1484487-4 (DE-576)096806397 1879-3487 nnns volume:48 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 52.56 Regenerative Energieformen alternative Energieformen VZ AR 48
allfields_unstemmed	10.1016/j.ijhydene.2023.04.169 doi (DE-627)ELV062042254 (ELSEVIER)S0360-3199(23)01949-3 DE-627 ger DE-627 rda eng 660 620 VZ 52.56 bkl Rizvandi, Omid Babaie verfasserin aut Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study concerns numerical investigation of a solid oxide electrolysis stack, in which the cells are pressurized on only the fuel side (single-sided mode) or both fuel and air sides (double-sided mode). A 90-cell stack model is used to study the effects of the operating pressure on the polarization curves, area-specific-resistance (ASR), temperature, and pressure. The model predicts higher open-circuit voltage (OCV), lower ASR, and lower pressure drops over the flow fields at higher operating pressures. The latter leads to flexibility in the flow field design. The results show that the single-sided mode hinders the OCV increase and reduces the ASR. Nonetheless, the ASR reduction under the double-sided mode is more significant than the single-sided mode. Therefore, the double-sided mode performs better at high current densities since its higher ASR reduction provides a lower increase in the stack voltage (/input power). Moreover, the results indicate a nonlinear relationship between the temperature distribution and the operating pressure under the double-sided mode due to its counteracting effects on the ohmic heat sources and reaction heat sink. It is illustrated that the temperature difference over the stack decreases under the double-sided mode at higher operating pressures and lower current densities. Solid oxide electrolysis stack High-pressure operation Stack-scale modeling ASR variations OCV variations Flow field improvement Frandsen, Henrik Lund verfasserin aut Enthalten in International journal of hydrogen energy New York, NY [u.a.] : Elsevier, 1976 48 Online-Ressource (DE-627)301511357 (DE-600)1484487-4 (DE-576)096806397 1879-3487 nnns volume:48 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 52.56 Regenerative Energieformen alternative Energieformen VZ AR 48
allfieldsGer	10.1016/j.ijhydene.2023.04.169 doi (DE-627)ELV062042254 (ELSEVIER)S0360-3199(23)01949-3 DE-627 ger DE-627 rda eng 660 620 VZ 52.56 bkl Rizvandi, Omid Babaie verfasserin aut Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study concerns numerical investigation of a solid oxide electrolysis stack, in which the cells are pressurized on only the fuel side (single-sided mode) or both fuel and air sides (double-sided mode). A 90-cell stack model is used to study the effects of the operating pressure on the polarization curves, area-specific-resistance (ASR), temperature, and pressure. The model predicts higher open-circuit voltage (OCV), lower ASR, and lower pressure drops over the flow fields at higher operating pressures. The latter leads to flexibility in the flow field design. The results show that the single-sided mode hinders the OCV increase and reduces the ASR. Nonetheless, the ASR reduction under the double-sided mode is more significant than the single-sided mode. Therefore, the double-sided mode performs better at high current densities since its higher ASR reduction provides a lower increase in the stack voltage (/input power). Moreover, the results indicate a nonlinear relationship between the temperature distribution and the operating pressure under the double-sided mode due to its counteracting effects on the ohmic heat sources and reaction heat sink. It is illustrated that the temperature difference over the stack decreases under the double-sided mode at higher operating pressures and lower current densities. Solid oxide electrolysis stack High-pressure operation Stack-scale modeling ASR variations OCV variations Flow field improvement Frandsen, Henrik Lund verfasserin aut Enthalten in International journal of hydrogen energy New York, NY [u.a.] : Elsevier, 1976 48 Online-Ressource (DE-627)301511357 (DE-600)1484487-4 (DE-576)096806397 1879-3487 nnns volume:48 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 52.56 Regenerative Energieformen alternative Energieformen VZ AR 48
allfieldsSound	10.1016/j.ijhydene.2023.04.169 doi (DE-627)ELV062042254 (ELSEVIER)S0360-3199(23)01949-3 DE-627 ger DE-627 rda eng 660 620 VZ 52.56 bkl Rizvandi, Omid Babaie verfasserin aut Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study concerns numerical investigation of a solid oxide electrolysis stack, in which the cells are pressurized on only the fuel side (single-sided mode) or both fuel and air sides (double-sided mode). A 90-cell stack model is used to study the effects of the operating pressure on the polarization curves, area-specific-resistance (ASR), temperature, and pressure. The model predicts higher open-circuit voltage (OCV), lower ASR, and lower pressure drops over the flow fields at higher operating pressures. The latter leads to flexibility in the flow field design. The results show that the single-sided mode hinders the OCV increase and reduces the ASR. Nonetheless, the ASR reduction under the double-sided mode is more significant than the single-sided mode. Therefore, the double-sided mode performs better at high current densities since its higher ASR reduction provides a lower increase in the stack voltage (/input power). Moreover, the results indicate a nonlinear relationship between the temperature distribution and the operating pressure under the double-sided mode due to its counteracting effects on the ohmic heat sources and reaction heat sink. It is illustrated that the temperature difference over the stack decreases under the double-sided mode at higher operating pressures and lower current densities. Solid oxide electrolysis stack High-pressure operation Stack-scale modeling ASR variations OCV variations Flow field improvement Frandsen, Henrik Lund verfasserin aut Enthalten in International journal of hydrogen energy New York, NY [u.a.] : Elsevier, 1976 48 Online-Ressource (DE-627)301511357 (DE-600)1484487-4 (DE-576)096806397 1879-3487 nnns volume:48 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 52.56 Regenerative Energieformen alternative Energieformen VZ AR 48
language	English
source	Enthalten in International journal of hydrogen energy 48 volume:48
sourceStr	Enthalten in International journal of hydrogen energy 48 volume:48
format_phy_str_mv	Article
bklname	Regenerative Energieformen alternative Energieformen
institution	findex.gbv.de
topic_facet	Solid oxide electrolysis stack High-pressure operation Stack-scale modeling ASR variations OCV variations Flow field improvement
dewey-raw	660
isfreeaccess_bool	false
container_title	International journal of hydrogen energy
authorswithroles_txt_mv	Rizvandi, Omid Babaie @@aut@@ Frandsen, Henrik Lund @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	301511357
dewey-sort	3660
id	ELV062042254
language_de	englisch
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author	Rizvandi, Omid Babaie
spellingShingle	Rizvandi, Omid Babaie ddc 660 bkl 52.56 misc Solid oxide electrolysis stack misc High-pressure operation misc Stack-scale modeling misc ASR variations misc OCV variations misc Flow field improvement Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks
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topic_title	660 620 VZ 52.56 bkl Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks Solid oxide electrolysis stack High-pressure operation Stack-scale modeling ASR variations OCV variations Flow field improvement
topic	ddc 660 bkl 52.56 misc Solid oxide electrolysis stack misc High-pressure operation misc Stack-scale modeling misc ASR variations misc OCV variations misc Flow field improvement
topic_unstemmed	ddc 660 bkl 52.56 misc Solid oxide electrolysis stack misc High-pressure operation misc Stack-scale modeling misc ASR variations misc OCV variations misc Flow field improvement
topic_browse	ddc 660 bkl 52.56 misc Solid oxide electrolysis stack misc High-pressure operation misc Stack-scale modeling misc ASR variations misc OCV variations misc Flow field improvement
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hierarchy_parent_title	International journal of hydrogen energy
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title	Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks
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title_full	Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks
author_sort	Rizvandi, Omid Babaie
journal	International journal of hydrogen energy
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author_browse	Rizvandi, Omid Babaie Frandsen, Henrik Lund
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author-letter	Rizvandi, Omid Babaie
doi_str_mv	10.1016/j.ijhydene.2023.04.169
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title_sort	modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks
title_auth	Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks
abstract	This study concerns numerical investigation of a solid oxide electrolysis stack, in which the cells are pressurized on only the fuel side (single-sided mode) or both fuel and air sides (double-sided mode). A 90-cell stack model is used to study the effects of the operating pressure on the polarization curves, area-specific-resistance (ASR), temperature, and pressure. The model predicts higher open-circuit voltage (OCV), lower ASR, and lower pressure drops over the flow fields at higher operating pressures. The latter leads to flexibility in the flow field design. The results show that the single-sided mode hinders the OCV increase and reduces the ASR. Nonetheless, the ASR reduction under the double-sided mode is more significant than the single-sided mode. Therefore, the double-sided mode performs better at high current densities since its higher ASR reduction provides a lower increase in the stack voltage (/input power). Moreover, the results indicate a nonlinear relationship between the temperature distribution and the operating pressure under the double-sided mode due to its counteracting effects on the ohmic heat sources and reaction heat sink. It is illustrated that the temperature difference over the stack decreases under the double-sided mode at higher operating pressures and lower current densities.
abstractGer	This study concerns numerical investigation of a solid oxide electrolysis stack, in which the cells are pressurized on only the fuel side (single-sided mode) or both fuel and air sides (double-sided mode). A 90-cell stack model is used to study the effects of the operating pressure on the polarization curves, area-specific-resistance (ASR), temperature, and pressure. The model predicts higher open-circuit voltage (OCV), lower ASR, and lower pressure drops over the flow fields at higher operating pressures. The latter leads to flexibility in the flow field design. The results show that the single-sided mode hinders the OCV increase and reduces the ASR. Nonetheless, the ASR reduction under the double-sided mode is more significant than the single-sided mode. Therefore, the double-sided mode performs better at high current densities since its higher ASR reduction provides a lower increase in the stack voltage (/input power). Moreover, the results indicate a nonlinear relationship between the temperature distribution and the operating pressure under the double-sided mode due to its counteracting effects on the ohmic heat sources and reaction heat sink. It is illustrated that the temperature difference over the stack decreases under the double-sided mode at higher operating pressures and lower current densities.
abstract_unstemmed	This study concerns numerical investigation of a solid oxide electrolysis stack, in which the cells are pressurized on only the fuel side (single-sided mode) or both fuel and air sides (double-sided mode). A 90-cell stack model is used to study the effects of the operating pressure on the polarization curves, area-specific-resistance (ASR), temperature, and pressure. The model predicts higher open-circuit voltage (OCV), lower ASR, and lower pressure drops over the flow fields at higher operating pressures. The latter leads to flexibility in the flow field design. The results show that the single-sided mode hinders the OCV increase and reduces the ASR. Nonetheless, the ASR reduction under the double-sided mode is more significant than the single-sided mode. Therefore, the double-sided mode performs better at high current densities since its higher ASR reduction provides a lower increase in the stack voltage (/input power). Moreover, the results indicate a nonlinear relationship between the temperature distribution and the operating pressure under the double-sided mode due to its counteracting effects on the ohmic heat sources and reaction heat sink. It is illustrated that the temperature difference over the stack decreases under the double-sided mode at higher operating pressures and lower current densities.
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title_short	Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks
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doi_str	10.1016/j.ijhydene.2023.04.169
up_date	2024-07-06T18:20:50.992Z
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Modeling of single- and double-sided high-pressure operation of solid oxide electrolysis stacks

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