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Hoe produceren we
waterstof?
Hendrickx Jens
Wat is waterstof?
Wat is waterstof?
• H2
• gas
• ‘drager’ van energie
• Geen ontginning, wel
productie
• Bron die energie levert?
Toepassingen autosector?
Automotive
toepassingen
Automotive toepassingen
1. BRANDSTOFCEL 2. Brandstof voor ICE
Productie waterstof
Waterstofproductie
3 manieren:
Thermochemische
productie
Elektrochemische
productie
Elektrolyse Thermolyse Stoomelektrolyse Fotolyse
Biologische
productie
Biologische productie
• Bacteriën
• Algen
• Blauwalgen (cyanobacteriën)
• Voedsel = biomassa
• Laten H2-gas vrij
Elektrochemische productie
Ontbinding van water : 2 H2O -> 2 H2 + O2
2. Thermolyse
• Temperatuursverhoging
• +2500 °C
• Spontane ontbinding
Stoomelektrolyse:
• +- 500 °C
• Elektrolyse van stoom
1. Elektrolyse
• Elektrolysecellen
3. Fotolyse
• Fotokatalystische ontleding
• Zichtbaar licht
• Elektrode fotokatalystisch
materiaal
• Potentiaalverschil
Thermochemische productie
• Aardgas en andere biomassa ontbinden
• -> methaan (CH4) + water (HO2)
• = Steam Methane Reformong (SMR)
• Kan ook met elektriciteit
• = Electrified Steam Methane Reforming
Resultaat:
Productie stoot wel of niet broeikasgassen uit
-> onderscheid op basis van kleuren
Klassificatie op basis van kleuren
Blauw
Uitgestoten broeikasgassen
worden terug in
aardgasbellen gepompt
(onder de bodem van de
zee)
27/10/15
Grijs:
Uitstoot broeikasgassen
Groen
Geen uitstoot van
broeikasgassen, ook niet bij
productie elektriciteit

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