CONSTRUCTION AND WORKING OF LEAD ACID BATTERY
:The container is made up of acid resistance hard rubber or plastic. It is divided into compartment .
Each compartment form a cell of 2v. At bottom of container bridge are provided form space for sediment collection. This avoid danger of shock circuit.
: There are two type of battery plate positive and negative.Each plate is made up of frame or rigid of an alloy of Lead and Antimony. The function of grid to hold active material and carry current. Active material in positive plate is Red led (Pb3O4) and in negative plate it is Litharge (PbO) . The negative plate group contain one
plate more than positive plate group.
: To avoid direct contact and thus short circuiting of positive and negative plate a thin sheet of some non conducting material inserted between them called Separator.
Cell Cover :
:After assembling completely battery filled with electrolyte. It is solution of Sulphuric Acid (H2So4) contain approximately one part of sulphuric acid and two part of water by volume.
WORKING OF BATTERY
The potential difference between two metals, which are immersed in an electrolyte is called cell voltage. A battery converts chemical energy of metal submerged in electrolyte into electrical energy by means of electrochemical oxidation-reduction process.
This is said to be charge condition of battery.
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