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Are you really know what the lead-acid battery is?

2016-07-19 16:38
Lead-acid Battery:
Definition: an electrode made mainly of lead and its oxides, the electrolyte is a sulfuric acid storage battery. A discharged state, the main component of lead dioxide positive electrode, a negative electrode mainly composed of lead; charged state, the main component of the positive and negative electrodes are lead sulfate. Divided vented batteries and maintenance-free lead-acid batteries.
Battery consists of tubular positive plates, negative plates, electrolyte, separator, battery slot, battery cover, pole, pouring cap and other components. Vented storage battery electrodes are made of lead and lead oxide, the electrolyte is an aqueous solution of sulfuric acid.lead acid battery The main advantage is that the voltage stability, the price is cheap; drawback is the low specific energy (ie energy per kilogram of battery storage), life is short and routine maintenance frequently. Plain old batteries in the general life of about 2 years, and the need to periodically check the height of the electrolyte and add distilled water. But with the development of technology, lead-acid battery life becomes longer and maintenance is also easier.
The most obvious feature of lead-acid battery is at the top of the plastic sealing cap can be unscrewed, there are holes. The liquid filling cover is used for filling pure water, checking the electrolyte and discharging gas. According to theory, lead-acid batteries need to check the density of the electrolyte and the height of the liquid level at each time of maintenance, if there is a lack of need to add distilled water. However, with the upgrading of the battery manufacturing technology, the development of lead-acid batteries for lead-acid maintenance free batteries and free maintenance batteries, lead-acid batteries in use without the need to add an electrolyte or distilled water. The main is to use the positive electrode to produce oxygen can be absorbed in the negative oxygen cycle, can prevent water reduction. Lead acid batteries are mostly used in the traction car, tricycle, car start, etc., and maintenance free lead-acid battery applications more widely, including UPS, electric vehicle power, electric bicycle batteries, etc.. Lead acid battery according to the application needs to be divided into constant current discharge (such as uninterrupted power supply) and instantaneous discharge (such as motor start battery).
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