Fuel Cells

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Across
  1. 1. _______ is also released in fuel cells
  2. 3. Proton _______ Membrane
  3. 4. Solid oxide fuel cells operate at a high _______
  4. 8. What charge does the cathode have?
  5. 10. What charge does the anode have?
  6. 12. A fuel cell converts ___________ energy to electrical energy
  7. 13. What catalyst is used in molten carbonate fuel cells?
Down
  1. 1. The electrolyte used in alkaline fuel cells is potassium ________
  2. 2. The PEM acts as the ________ in PEM fuel cells
  3. 5. A PEM only allows ________ charged particles to flow through it
  4. 6. Fuel cells have a higher ________ compared to diesel or gas engines
  5. 7. Fuel cells operate with very little _________
  6. 9. What is formed at the cathode?
  7. 11. What is the catalyst used in alkaline fuel cells?