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2. Anode - Wikipedia

   en.wikipedia.org/wiki/Anode

   Positive and negative electrode vs. anode and cathode for a secondary battery. Battery manufacturers may regard the negative electrode as the anode, [9] particularly in their technical literature. Though from an electrochemical viewpoint incorrect, it does resolve the problem of which electrode is the anode in a secondary (or rechargeable) cell.

3. Electrode - Wikipedia

   en.wikipedia.org/wiki/Electrode

   The anode is the electrode through which the conventional current enters from the electrical circuit of an electrochemical cell (battery) into the non-metallic cell. The electrons then flow to the other side of the battery. Benjamin Franklin surmised that the electrical flow moved from positive to negative. [4]

4. Cathodic protection - Wikipedia

   en.wikipedia.org/wiki/Cathodic_protection

   The driving force for the cathodic protection current is the difference in electrode potential between the anode and the cathode. [9] During the initial phase of high current, the potential of the steel surface is polarized (pushed) more negative protecting the steel which hydroxide ion generation at the steel surface and ionic migration ...

5. Galvanic cell - Wikipedia

   en.wikipedia.org/wiki/Galvanic_cell

   The cathode is the electrode where reduction (gain of electrons) takes place (metal B electrode); in a galvanic cell, it is the positive electrode, as ions get reduced by taking up electrons from the electrode and plate out (while in electrolysis, the cathode is the negative terminal and attracts positive ions from the solution).

6. Electric battery - Wikipedia

   en.wikipedia.org/wiki/Electric_battery

   When a battery is supplying power, its positive terminal is the cathode and its negative terminal is the anode. [2] The terminal marked negative is the source of electrons. When a battery is connected to an external electric load, those negatively charged electrons flow through the circuit and reach to the positive terminal, thus cause a redox ...

7. Galvanic series - Wikipedia

   en.wikipedia.org/wiki/Galvanic_series

   The difference can be measured as a difference in voltage potential: the less noble metal is the one with a lower (that is, more negative) electrode potential than the nobler one, and will function as the anode (electron or anion attractor) within the electrolyte device functioning as described above (a galvanic cell).