Module content

Assignments

1. Questions on hydrogen chemistry
Answer the questions based on the lecture "Introduction to hydrogen chemistry and "Sustainable hydrogen production".

  • What is the basic building block of matter?
  • How blue and green hydrogen differ from each other?
  • Why should we and how can we produce green and blue hydrogen?
  • Why does the production of grey hydrogen enhance the climate change?
  • What are the two half reactions that take place during the water splitting and where do they take place? Which one of the reactions control the overall performance of the reaction?
2. Sustainable routes to hydrogen
Based on the lecture "Sustainable hydrogen production", describe what are the most sustainable routes to hydrogen, how mature they are and how their sustainability can be described? You can create a mind map, or other picture or write.

3. Essay
Study the given thesis and write an essay (1-2 pages) where you

  • Compare the overall efficiency in different electrolyser-storage- transportation-end use chains. Compare liquid and gas forms of storage tanks and pipelines.  Give some examples of cases and their overall efficiency from electricity to the end use of energy.
  • Make an estimate in different cases, how big a share of losses is in form on heat. Give your opinion about what shall we do with this extra heat.