Fuel Cell Crossword


Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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2. A chemical compound with a pH value greater than 7.0.
3. An atom or molecule which has lost or gained one or more valence electrons, giving it a positive or negative electrical charge.
7. A solution that conducts electricity.
10. Substances that cannot be separated into simpler substances and singly or in combination constitutes for all matter.
11. Are high-temperature fuel cells, that operate at temperatures of 600°C and above.


1. A type of fuel cell that uses liquid phosphoric acid as an electrolyte.
2. A chemical compound with a pH less than 7.0.
4. An electrochemical conversion device that produces electricity directly from oxidizing a fuel.
5. An electrical conductor used to make contact with a nonmetallic part of a circuit.
6. An element that readily loses electrons to form positive ions and forms metallic bonds between other metal atoms.
8. The splitting of water with an electrical current.
9. Electrochemical device that converts chemical energy directly into electrical energy.