Simple Electric Column
29 September, 2020

Simple Electric Column


What is a simple electric column?

The simple electric column is the first in history invented chemical electric battery.

Who invented the simple electric column?

It was invented by the physicist Alessandro Volta in 1799. After his invention of the battery, Volta stated that the credit goes to William Nicholson, Tiberius Cavallo and Abraham Bennett.

Simple electric column components:

This battery consists of two electrodes, one of which is zinc and the other is copper, and between them there is an electrolyte of sulfuric acid or a mixture of water and salt. Zinc has a higher order in the electrochemical chain than copper and hydrogen, so it reacts with positive sulfur and hydrogen bubbles appear on the copper electrode, taking some of its electrons. Thus, zinc becomes a negative terminal and copper a positive terminal. Thus, we have two terminals that produce an electric current when connected.

Its advantages:

It was the beginning of generating electrical potential.

Its disadvantages:

  • It is difficult to transport because it contains sulfuric acid.
  • Potentiometric stops when the reaction stops.
  • The resulting current and voltage are very weak and non-continuous.
  • The effect will not last long as the hydrogen bubbles are still attached to the zinc.


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