Anode and cathode metals? (For electrolysis)

I want to seperate some water to get Hydrogen to play with, so I made a little electrolysis device with a 12v power supply. The only problem is that I have no idea what to use as the anode and cathode! Could I just use screws? Or pennies or something?

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star_crank3 months ago

Take two spoons and then attach the battery directly at the ends of the spoons.It will work.


wooden spoons.jpg

Congratulations you answered to an 8 year old topic!

guyfrom7up8 years ago
out of common materials, I think alluminum is the best

Do not EAT or DRINK any of that. You will make horrible heavy metal exposure into the water as it degrades the metal into sharp, cancerous, stomach ripping metals over time

which anode and cathod will make highest amount of oxygen and hydrogen i dont care about the cost tell me the best output material for hydrogen and oxygen production

No, actually Alluminium corrodes so fast you won't believe it...

Login258 (author)  guyfrom7up8 years ago
So it doesn't really matter? I figures since stainless steel resists oxidizing (right?), then fewer oxygen bubbles would form and I'd get more hydrogen... Any idea? I'll try out aluminium and let you know how it works!
well, you get the same amount of hydrogen and oxygen, it's just stuff like iron and steel (not sure about stainless steel) will oxidize (rust/corode) really quickly, alluminum still will, just not as fast.
Toga_Dan8 months ago

Some humidifiers pass 120v directly through the water. With AC, it apparently produces steam rather than H and O. The electrodes are carbon. In my experience trying to split water, low voltage is needed to prevent the _metal_ electrode from rapidly corroding. Corrosion seems to insulate the electrode. Carbon doesn't have this issue at higher V.

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