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APPENDIX A HYDROGEN PRODUCTION RESULTS FROM VARIOUS DAYS Hydrogen Generation (ml/min) Hydrogen Production (ml/min) 600 500 400 300 200 100 600 500 400 300 200 100 0 Measured Hydrogen Production and Stack Temperature vs Time (18.12.06) 09:00:00 11:00:00 13:00:00 15:00:00 Hydrogen Production Stack Temperature Time Figure A1 Measured Hydrogen Production and Stack Temperature vs. Time 09.01.2007 0 08:00:00 10:00:00 12:00:00 14:00:00 16:00:00 Hydrogen Production Stack Temperature Time Figure A2 55 50 45 40 35 30 25 20 Stack Temperature o C 55 50 45 40 35 30 25 20 15 Stack Temperature o C 72
Hydrogen Production (ml/min) Hydrogen Production (ml/min) 600 500 400 300 200 100 0 600 500 400 300 200 100 Measured Hydrogen Production and Stack Temperature vs. Time (01.02.2007) 09:00:00 11:00:00 13:00:00 15:00:00 20 17:00:00 Hydrogen Production Stack Temperature Time Figure A3 Measured Hydrogen Production and Stack Temperature vs. Time (22.02.2007) 0 20 08:00:00 10:00:00 12:00:00 14:00:00 16:00:00 18:00:00 Hydrogen Production Stack Temperature Time Figure A4 55 50 45 40 35 30 25 55 50 45 40 35 30 25 Stack Temperature o C Stack Temperature o C 73
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HYDROGEN PRODUCTION FROM WATER USIN
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ACKNOWLEDGEMENTS This study was car
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ÖZET GÜNEŞ PĐLLERĐ ĐLE ÇALI
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4.2. Results on a Single Cell PEM E
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Figure 4.16. Hydrogen Production an
Page 11 and 12:
CHAPTER 1 INTRODUCTION World energy
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Table 1.1. Turkey`s energy usage as
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atmosphere according to their hydro
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The reaction goes through two half
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2.1. Hydrogen Production Methods CH
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2.2. Electrolyzers Figure 2.1. Vari
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electrode design are being sought t
Page 25 and 26:
1 285,830J/mol + H 2O(l) → H 2(g)
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another optimization should be done
Page 29 and 30:
Figure 2.3. Molecular Formula of Na
Page 31 and 32: hydrophobic substances in electrode
Page 33 and 34: Different than Grigoriev’s work,
Page 35 and 36: voltages. This concept is also vali
Page 37 and 38: Interdigitated flow field is a diff
Page 39 and 40: generator is always working at its
Page 41 and 42: ecord the voltage and the current s
Page 43 and 44: Figure 3.2. Anode side of the elect
Page 45 and 46: 6. Cover the cathode GDL with 1mm t
Page 47 and 48: to deliver water. The front side of
Page 49 and 50: 5. Place the cathode side GDL into
Page 51 and 52: electrolyzer to monitor the potenti
Page 53 and 54: Figure 4.1. “X” type flow field
Page 55 and 56: MEA, there were no electrolysis on
Page 57 and 58: In fact, it was observed on the dis
Page 59 and 60: In each run, current density was in
Page 61 and 62: Voltage 2,25 2,20 2,15 2,10 2,05 2,
Page 63 and 64: Therefore, for the current cell des
Page 65 and 66: 8Amp, respectively. The calculated
Page 67 and 68: At 500mAmp/cm 2 , the potential dif
Page 69 and 70: The installed system had 6 of this
Page 71 and 72: At 11.00 AM, as the current density
Page 73 and 74: Figure 4.19 shows solar radiance da
Page 75 and 76: On Iztech campus, the system constr
Page 77 and 78: voltage temperature trend observed
Page 79 and 80: REFERENCES Grigoriev S.A.,Porembsky
Page 81: British Petrol World Statistical Re
Page 85 and 86: Hydrogen Production (ml/min) Hydrog
Page 87 and 88: APPENDIX B MASS BALANCE OF A FIVE C
Page 89 and 90: Table B.3. Mass Balance of Species
Page 91 and 92: Stream3; Species stream 3 at 314.6K
Page 93 and 94: Figure B.3. Input and output stream
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