Thursday, August 15, 2013

Anode and Cathode

We just learned that an electrode is pretty much just a wire
that has electricity going through it.

If you look closely on a battery, you should see a plus (+) and minus (-) sign.
This is for the positive (+) and negative (-) parts of the battery.

When you hook a wire up to both ends of the battery, that wire is an electrode.

The wire touching the negative (-) part of the battery is called the anode,
and the wire touching the positive (+) part of the battery is called the cathode.

Those words really just mean which way the electricity is flowing.

(from: wikipedia - rechargable battery)

Electrons are negatively charged, and the electrical current
flows from the negative (-) anode to the positive (+) cathode.