HYDROGEN PRODUCTION

Hydrogen Production Methods Cost, Efficiency and Limitation

✅ In this post, I will provide an overview of the approximate costs of various hydrogen production methods.

🟦 Hydrogen Production:
1- Water Electrolysis including Alkaline, Proton Exchange Membrane (PEM), Anion exchange membrane (AEM), Solid Oxide Electrolysis Cell (SOEC) and capillary-fed electrolysis (CFE) electrolyzers.
The production of hydrogen through water electrolysis involves a higher initial investment.

Energy Efficiency = 55−80 %
Hydrogen yield = 111 g/kg feedstock
Cost = 4.15−10.30 $/kg of H2

2- Water thermolysis
In this method, a separation step is required to prevent recombination in an explosive mixture.
Energy Efficiency = 20−50 %
Hydrogen yield = 111 g/kg feedstock
Cost = 7.98−8.40 $/kg of H2

3- Water photoelectrolysis
The drawbacks of this method are low efficiency and the requirement of a significant surface area.

Energy Efficiency = 0.06−14 %
Hydrogen yield = 111 g/kg feedstock
Cost = 4.98−10.36 $/kg of H2 4- Water biophotolysis
Energy Efficiency = 10-15 %
Hydrogen yield = 111 g/kg feedstock
Cost = 1.42-2.13 $/kg of H2

5- Biomass dark fermentation
Energy Efficiency = 60-80 %
Hydrogen yield = 4-44 g/kg feedstock
Cost = 1.68−2.57 $/kg of H2

6- Biomass photofermentation
Energy Efficiency = 0.1−12 %
Hydrogen yield = 9-49 g/kg feedstock
Cost = 2.57-2.83 $/kg of H2

7- Biomass pyrolysis
Energy Efficiency = 35−50 %  
Hydrogen yield = 25-65 g/kg feedstock
Cost = 1.59−2.20 $/kg of H2

8- Biomass gasification
Energy Efficiency = 30−60 %  
Hydrogen yield = 40-190 g/kg feedstock
Cost = 1.77-2.05 $/kg of H2

9- Biomass hydrothermal liquefaction
Energy Efficiency = 85-90 %  
Hydrogen yield = 0.3-2 g/kg feedstock
Cost = 0.54−1.26 $/kg of H2 10- Biomass steam reforming
Energy Efficiency = 74−85 %  
Hydrogen yield = 40-130 g/kg feedstock
Cost = 1.83−2.35 $/kg of H2

11- Natural Gas (NG) Steam Methane Reforming with 0% CO2 Capture
Hydrogen Production Capacity= 483,000 kg/day
Levelized Cost of Hydrogen= $1.06/kg

12- NG Steam Methane Reforming with 96.2% CO2 Capture
Hydrogen Production Capacity= 483,000 kg/day
Levelized Cost of Hydrogen= $1.54/kg 13- NG Autothermal Reforming with 94.5% CO2 Capture
Hydrogen Production Capacity= 660,000 kg/day
Levelized Cost of Hydrogen= $1.51/kg 14- Gasification, Illinois No. 6 Coal, Shell/Air Products-type oxygen-blown, 0% CO2 Capture
Hydrogen Production Capacity= 660,000 kg/day
Levelized Cost of Hydrogen= $2.58/kg

15- Gasification, Illinois No. 6 Coal, Shell/Air Products-type oxygen-blown, 92.5% CO2 Capture
Hydrogen Production Capacity= 660,000 kg/day
Levelized Cost of Hydrogen= $2.92/kg 16- Gasification, Illinois No. 6 Coal/ Torrefied Woody Biomass, Shell/Air Products-type oxygen-blown, 92.6% CO2 Capture
Hydrogen Production Capacity= 133,000 kg/day
Levelized Cost of Hydrogen= $3.44/kg

✅ Source: See post image ✅ My posts reflect my knowledge, experience, and advice.

👇How can we lower the cost of hydrogen production?