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Battery Construction |
Component |
Raw Material |
Positive Plate |
Lead Dioxide |
Negative Plate |
Lead |
Container |
ABS |
Cover |
ABS |
Safety Valve |
Neoprene |
Terminal |
Copper |
Separator |
Fiberglass |
Electrolyte |
Sulphuric Acid |
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Postive Plates
Positive plates are plate electrodes of which a grid frame of lead - tin - calcium alloy holds porous lead dioxide as the active material.
Negative Plates
Negative plates are plate electrodes of which a grid frames of lead - tin - calcium alloy holds spongy lead as the active material.
Electrolyte
Diluted sulphuric acid is used as the medium for conducting ions in the electrochemical reaction in the battery.
Separators
Separators, which retain electrolyte and prevent shorting between positive and negative plates adopt a non - woven fabric of fine glass fibers that is chemically stable in the diluted sulphuric acid electrolyte. Being highly porous, separators retain electrolyte for the reaction of active materials in the plates.
Safety Valve (One Way Valve)
The valve is comprised of a one way valve made of material such as neoprene. When gas is generated in the battery under extreme overcharge consideration due to erroneous charging, charger malfunction or other abnormalities, the vent valve opens to release excessive pressure in the battery and maintain gas pressure within specific rang (5 to 45Kpa). During ordinary use of the battery, the vent valve is closed to shut out outside air and prevent oxygen in the air from reacting with active material in the negative electrodes.
Positive and Negative Terminals
Positive and negative electrodes terminals may be Faston Tab, L-Terminal or Threaded Post Type, depending on the type of the abttery. Sealing of the terminal is achieved by a structure which secures long adhesive - embedded paths and by adoption of strong epoxy adhesives.
ABS Cover & Container
Materials of the body and cover of battery case are manufactured from ABS resins, unless otherwise specified.
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Rechargeable Maintenance Free VRLA Sealed Lead Acid Battery |
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Factory Manufacturing Battery & Warehouse Wholesales Centre |
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