Model-based interpretation of the performance and degradation of reformate fueled solid oxide fuel cells:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Karlsruhe
KIT Scientific Publ.
2013
|
| Schriftenreihe: | Schriften des Instituts für Werkstoffe der Elektrotechnik, Karlsruher Institut für Technologie
24 |
| Schlagworte: | |
| Online-Zugang: | Inhaltstext Inhaltsverzeichnis |
| Beschreibung: | VI, 120 S. graph. Darst. 24 cm, 370 g |
| ISBN: | 9783731500063 373150006X |
Internformat
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Datensatz im Suchindex
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IMAGE 1
CONTENTS
1. INTRODUCTION 1
2. FUNDAMENTALS 5
2.1. WORKING PRINCIPLE OF SOLID OXIDE FUEL CELLS 5
2.2. MATERIALS AND DESIGN 7
2.3. C/V CHARACTERISTICS 9
2.4. ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY 11
2.4.1. TECHNICAL REALIZATION 12
2.4.2. IMPEDANCE ANALYSIS 15
2.5. ELECTROCHEMICAL LOSS PROCESSES 18
2.5.1. ION TRANSPORT 18
2.5.2. ELECTRODE REACTIONS 19
2.5.3. GAS TRANSPORT 21
2.6. FUEL FLEXIBILITY 28
2.6.1. HYDROCARBON CONVERSION 29
2.6.2. OPERATION WITH HYDROCARBON FUELS 30
2.6.3. FUEL IMPURITIES 32
3. EXPERIMENTAL 37
3.1. SAMPLES 37
3.2. TEST SETUP 38
3.3. CELL MEASUREMENTS 39
3.4. MEASUREMENT DATA QUALITY 40
4. PROCESS IDENTIFICATION 4 3
4.1. COMPARISON TO HYDROGEN OPERATION 43
4.2. IMPACT OF FUEL HUMIDIFICATION 45
4.3. IMPACT OF OPERATING TEMPERATURE 47
4.4. IMPACT OF REFORMATE COMPOSITION 49
4.5. EQUIVALENT CIRCUIT MODEL DEFINITION 51
4.6. CONCLUSIONS 53
5. ELECTROCHEMICAL FUEL OXIDATION 55
5.1. PARAMETER STUDY 55
5.1.1. H 2 PARTIAL PRESSURE DEPENDENCE 56
5.1.2. H 2 0 PARTIAL PRESSURE DEPENDENCE 61
5.1.3. TEMPERATURE DEPENDENCE 64
5.2. KINETIC INTERPRETATION 66
5.3. CONCLUSIONS 68
HTTP://D-NB.INFO/1033917559
IMAGE 2
VI CONTENTS
6. GAS TRANSPORT AND REFORMING REACTIONS 69
6.1. MODEL DEVELOPMENT 69
6.2. MODEL SETUP 70
6.3. IMPACT OF POROUS-MEDIA TRANSPORT 72
6.4. IMPACT OF WGS KINETICS 73
6.5. IDENTIFICATION OF PI A AND P RE F 77
6.6. CONCLUSIONS 78
7. SULFUR POISONING 79
7.1. OPERATION ON H 2 S-FREE REFORMATE 79
7.2. OPERATION ON REFORMATE WITH 0.1 PPM H 2 S 80
7.3. OPERATION ON REFORMATE WITH 0.5 PPM H2S 81
7.4. OBSERVED POISONING MECHANISMS 83
7.4.1. POISONING OF THE ELECTROCHEMICAL FUEL OXIDATION 84
7.4.2. POISONING OF THE REFORMING REACTIONS 85
7.5. CONCLUSIONS 86
8. FURTHER WORKS 89
8.1. EIS MODELING OF DETAILED CHEMISTRY IN SOFC ANODES 89
8.2. H 2 S ACCUMULATION ON NI SURFACES IN SOFC ANODES 93
9. SUMMARY 95
APPENDIX 99
A. APPLICABILITY TO FURTHER SYSTEMS 99
B. GIBBS DIAGRAMS 101
C. MEASURED SAMPLES 102
D. SUPERVISED DIPLOMA THESES AND STUDY PROJECTS 102
E. PUBLICATIONS 102
F. CONFERENCE CONTRIBUTIONS 104
G. SYMBOLS 105
H. ACRONYMS 107
BIBLIOGRAPHY 109 |
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| dewey-hundreds | 600 - Technology (Applied sciences) |
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| dewey-sort | 3621.312429 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Elektrotechnik / Elektronik / Nachrichtentechnik |
| format | Thesis Book |
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| series | Schriften des Instituts für Werkstoffe der Elektrotechnik, Karlsruher Institut für Technologie |
| series2 | Schriften des Instituts für Werkstoffe der Elektrotechnik, Karlsruher Institut für Technologie |
| spelling | Kromp, Alexander Verfasser (DE-588)1034192396 aut Model-based interpretation of the performance and degradation of reformate fueled solid oxide fuel cells by Alexander Kromp Karlsruhe KIT Scientific Publ. 2013 VI, 120 S. graph. Darst. 24 cm, 370 g txt rdacontent n rdamedia nc rdacarrier Schriften des Instituts für Werkstoffe der Elektrotechnik, Karlsruher Institut für Technologie 24 Zugl.: Karlsruhe, Karlsruher Inst. für Technologie, Diss. 2013 Festoxidbrennstoffzelle (DE-588)4811042-5 gnd rswk-swf Degradation Technik (DE-588)4206992-0 gnd rswk-swf Reformieren Chemie (DE-588)4177348-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Festoxidbrennstoffzelle (DE-588)4811042-5 s Reformieren Chemie (DE-588)4177348-2 s Degradation Technik (DE-588)4206992-0 s DNB Erscheint auch als Online-Ausgabe Kromp, Alexander Model-based Interpretation of the Performance and Degradation of Reformate Fueled Solid Oxide Fuel Cells Schriften des Instituts für Werkstoffe der Elektrotechnik, Karlsruher Institut für Technologie 24 (DE-604)BV039754941 24 X:MVB text/html http://deposit.dnb.de/cgi-bin/dokserv?id=4305707&prov=M&dok_var=1&dok_ext=htm Inhaltstext DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027639078&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Kromp, Alexander Model-based interpretation of the performance and degradation of reformate fueled solid oxide fuel cells Schriften des Instituts für Werkstoffe der Elektrotechnik, Karlsruher Institut für Technologie Festoxidbrennstoffzelle (DE-588)4811042-5 gnd Degradation Technik (DE-588)4206992-0 gnd Reformieren Chemie (DE-588)4177348-2 gnd |
| subject_GND | (DE-588)4811042-5 (DE-588)4206992-0 (DE-588)4177348-2 (DE-588)4113937-9 |
| title | Model-based interpretation of the performance and degradation of reformate fueled solid oxide fuel cells |
| title_auth | Model-based interpretation of the performance and degradation of reformate fueled solid oxide fuel cells |
| title_exact_search | Model-based interpretation of the performance and degradation of reformate fueled solid oxide fuel cells |
| title_full | Model-based interpretation of the performance and degradation of reformate fueled solid oxide fuel cells by Alexander Kromp |
| title_fullStr | Model-based interpretation of the performance and degradation of reformate fueled solid oxide fuel cells by Alexander Kromp |
| title_full_unstemmed | Model-based interpretation of the performance and degradation of reformate fueled solid oxide fuel cells by Alexander Kromp |
| title_short | Model-based interpretation of the performance and degradation of reformate fueled solid oxide fuel cells |
| title_sort | model based interpretation of the performance and degradation of reformate fueled solid oxide fuel cells |
| topic | Festoxidbrennstoffzelle (DE-588)4811042-5 gnd Degradation Technik (DE-588)4206992-0 gnd Reformieren Chemie (DE-588)4177348-2 gnd |
| topic_facet | Festoxidbrennstoffzelle Degradation Technik Reformieren Chemie Hochschulschrift |
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