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Anodes and cathodes...

Externet
in Chemistry

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What common materials/elements could be the ones used in this gadget? :

 

http://dragonet.com/fhp/

 

Has 8 cells to yield 12V, and only anodes are consumed in operation.:confused:

the anode is more than likely Zinc, as used in these "water powered" calculators and watches.

Magnessium would be too expensive and Alu Toxic (voiding their "Green" idea).

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