HuizHong battery is a core component of the DC power system, which works for electricity, payable power grid abnormalities, and the key role of maintaining the normal operation of the system. It is the normal operation of the power system. At present, the battery online monitoring is gradually attached to it, and it is increasingly widely used in electricity, communication and other industries. However, the key technologies used in battery online monitoring and status assessment – the internal resistance communication discharge method is not known. In the blurred understanding, due to the misleading of the word “maintenance”, the user relaxed the daily maintenance and management of the battery, causing early capacity reduction and damage to the battery, due to the low battery capacity or the variable substation And the accidents of the power plant have been uncommon. Therefore, it is very important to use and maintain the battery to improve its service life.
The factors affecting the internal resistance of the battery are mainly: the factors affecting the internal resistance of the battery are:
The time used by the battery: As the usage time increases, the electrolyte loss of water, the electrode plate and the connecting strip, the sulfate of the plate, the polar panel deformation, and the fall of the active material, resulting in a reduction in battery capacity, battery The internal resistance changes.
The amount of charge of the battery: Since the electrolyte depth of the injecting battery, the thickness of the electrode surface reaction material, the porosity of the electrode surface is different, and the internal resistance of the battery is large, so that the amount of charge is also large.
Temperature: Changes in ambient temperature, such as rising, at this time, the diffusion of reactive materials is accelerated, and the charge transfer, electrode dynamics and material metastasis are easier, so that the internal resistance of the battery is reduced. Conversely, it will increase.
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Shenzhen Geerady New Energy Co., Ltd NO.7888, SHENZHEN, CHINA