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storage battery

storage battery usually lead-acid batteries, a battery, belong to the secondary battery. How it works: when charging the use of external power can make the internal active substances renewable energy stored as chemical energy, and again when the need to discharge the chemical energy is converted to electrical energy output.
Use it to fill the spongy lead of the lead substrate gate (also known as plaid body) as negative, to fill the lead dioxide lead substrate gate for positive and the density 1.26--1.33g/mlg/ml of dilute sulfuric acid electrolyte. Battery discharge, the metallic lead is negative, the occurrence of the oxidation reaction to generate the lead sulfate; lead dioxide cathode reduction reaction occurs to generate the lead sulfate. Battery charging DC, poles, respectively, to generate a single quality lead and lead dioxide. After the power is removed, it is restored to the state before the discharge composed of chemical batteries. Lead-acid batteries can be recharged, the discharge voltage of the monomer is 2V battery is a battery pack consisting of one or more monomers, referred to as the battery, the most common are 6V, 12V battery, there are 2V, 4V, 8V, 24V battery. The six lead-acid batteries connected in series into a 12V battery pack, such as car batteries (commonly known as battery). Traditional dry-charged lead-acid batteries (such as car dry-charged battery, motorcycle dry charge batteries, etc.) in use for some time to add to distilled water, dilute sulfuric acid electrolyte to maintain the density around the 1.28g/ml; and now most of them are maintenance-free batteries, their use and no longer need to add distilled water until the end of life.
The chemical reaction equation is as follows:
Discharge, the electrode reaction: PbO2 by + 4H + + of SO42-+ 2e-= PbSO4 + 2H2O
Negative reaction: Pb + of SO42-- 2e-= PbSO4
The overall reaction: PbO2 by + Pb + 2H2SO4 = 2PbSO4 + 2H2O (right response is discharge, the left reaction is charge)
Lead-acid battery products mainly include the following types, their uses are distributed as follows:
Start-up battery: mainly used for automobiles, motorcycles, tractors, diesel engines, such as start and lighting;
Fixed battery: mainly used for communications, power plants, computer systems, backup power protection, automatic control;
Traction battery: is mainly used for a variety of battery vehicles, forklifts, forklifts and other power supply;
Railway Battery: mainly used in diesel locomotives, electric locomotives, passenger cars starting, lighting power;
Energy Storage Battery: mainly used for wind power, solar power generation electrical energy storage.


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