What is an industrial battery?
A lead-acid motive power battery is a portable energy source for supplying direct (DC) electrical
current to electric vehicles. It consists of two or more cells connected in a series and assembled into
a metal or fiberglass tray or container. This type of battery comes in a wide variety of shapes,
voltages, and ampere-hour (AH) capacities.
Each cell of a battery contains a group of positive and negative plates, interleaved so that positives and negatives alternate. The negative plates outnumber the positives by one. The positive plate
consists of active material (lead dioxide) retained within the positive grid lattice. The material is
held firmly against the grid with a retention system incorporating a fiberglass mat, stran mat,
Koroseal retainer, and a plastic boot. This assembly is then enclosed in a polyethylene envelope
The negative active material (sponge lead) is
maintained within the thinner negative grid. No
retention system is used on the negative plate as there is only slight shedding of the active
material throughout its normal service life. The
positive and negative plates are insulated from
each other by the polyethylene sleeve separator
surrounding the positive plate assembly. All the
positive plates in each cell are paralleled by
connection to the positive strap. All the negative
plates in each cell are paralleled by connection
to the negative strap. The plates and insulating
materials are later submerged in a solution of
sulfuric acid and water, called electrolyte, and
housed in an acid-proof polypropylene container
called a jar. A polypropylene cover with holes
through which the positive and negative posts
protrude are then welded to the jar. A removable
vent cap allows access into the cell through the
cover for the purpose of water addition and cell
inspection via hydrometer readings.
Each cell has a nominal voltage of two volts, thus,
a 6-cell battery is referred to as a 12-volt battery,and an 18-cell battery
as a 36-volt battery, etc.Increasing or decreasing the number of plates or
the physical size of the cell has no effect on the battery voltage, but does affect the AH
capacity. Nominal battery voltage is affected by increasing or decreasing the number of cells in the series circuit.
When the ingots are awesome, they are removed the adjusts and shipped to emergency light battery producers, where they are re-melted and found in creating new lead plates together with other areas for completely new batteries.
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