Moderate difficulty suitable for most players
Catalysts and Currents of Hydrogen Power
Challenging puzzle for experienced crossword solvers
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Across
- 1. Coenzyme that donates electrons, playing a role in biological hydrogen transfer
- 2. Electrode where hydrogen ions receive electrons to form gas
- 3. Reaction adding hydrogen, often used in fuel upgrading or storage
- 5. Processes using heat-driven chemical reactions for hydrogen production
- 6. Light-activated material enhancing hydrogen generation from water splitting
- 9. Small-scale blockage phenomenon in hydrogen fuel cells reducing efficiency
- 13. Thermal decomposition producing hydrogen-rich syngas without oxygen
- 15. Process cleaving water's bonds using an electric current
- 16. Noble metal known for selectively absorbing hydrogen atoms
- 20. Device that converts hydrogen's chemical energy directly into electricity
Down
- 4. Electrode site in electrolyzers where oxygen evolution occurs
- 7. Type of membrane crucial to PEM electrolyzers and fuel cells
- 8. Quantitative balance of reactants in hydrogen combustion formulas
- 10. Type of electrolyzer environment distinguished by a basic aqueous solution
- 11. Component managing gas flow and current in fuel cell stacks
- 12. Hydrogen combined in an anionic form, often for storage solutions
- 14. Element used in catalysts resistant to hydrogen embrittlement
- 17. Metabolic breakdown releasing hydrogen atoms in biochemical energy cycles
- 18. Reaction converting CO and water to hydrogen and CO2
- 19. Industrial route transforming hydrocarbons into hydrogen-rich gases