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Author ：Iflowpower – Portable Power Station Supplier
There is a large number of batteries in industrial production as emergency power, such as telecommunications base station, information center machine room, etc. With the continuous deep environmental concept of environmental protection, how to maximize the battery life, it is an unavoidable problem in front of everyone. It is well known that ambient temperature affects battery life, and the battery can achieve longer life at 25 ¡ã C, and the high temperature use environment is the most important reason for the actual life of the battery.
When the temperature is increased, the polar corrosion of the battery will exacerbate, and more water will consume more water, thereby shortening the battery life. So the ideal operating temperature range of the battery is 16Oc ~ 25oc. Working at a colder temperature will shorten the discharge time, while working at higher temperatures, the possibility of battery life and new heat loss may be shortened.
Each 10OC battery life will shorten by 50% when the ambient temperature is above 25 oc. In order to reduce the ambient temperature to the most suitable temperature of the battery, everyone's common method is to install civil air conditioning in the battery work, control the temperature of the entire room at 25 ¡ã C to ensure the operating temperature of the battery. But there is such a certain drawback, such as although the temperature of the entire room is relatively controlled by about 25 degrees, because the battery is too dense due to the battery frame, it may result in uneven temperature between the battery, and there is a problem that the local is too high.
In addition, since the entire method is temperature control over the entire room but other devices in the room is not high, some work ambient temperatures can reach 35 degrees, and some are even as high as 50 degrees, so long-term maintenance of low temperature caused by air conditioning Extreme waste of energy consumption, does not meet the current energy-saving low-carbon era required. In order to solve this contradiction, experts propose to maximize phase change materials to maximize the natural temperature control to maintain the best environment required to maintain the battery. Phacechangematerial means a substance that changes in temperature and can supply latent heat.
The phase change material is referred to as a phase change from a solid state to a solid state or from a liquid state called a phase change. At this time, the phase change material will absorb and release a large amount of latent heat. Characteristics of using phase change materials will heat and exothermic can use different phase changed phase change materials to different fields.
Therefore, the phase vary point is available to 25 degrees of phase change material as a tool for maintaining battery ambient temperatures. Specific practice, the battery is divided into two areas, namely battery workspace and non-battery work area. The cabinet is placed in a closed phase change material with polyethylene, and small refrigeration, hydrogen and temperature control system is installed on the cabinet.
The heat of the battery is absorbed by the phase change material in the cabinet. After the temperature of the natural ambient temperature in the evening has dropped, the natural wind system is used to cool the phase change material to solid, and this is used to circulate. If the operating conditions are extremely bad, such as high temperature continuous weather, the temperature control device detects that the external temperature cannot meet natural cooling, and the temperature of the cabinet will reach 25 degrees, which will automatically open the air conditioner, continue to ensure the most suitable environment temperature requirements of the battery.
Such another working area in the room can be controlled at 30-35 degrees or even higher. In this way, it not only guarantees that the battery has extended battery life at optimum ambient temperature, but also achieves efficient and energy efficiency. According to the related test, the use of phase change materials is more than 40% more than the traditional way.
The choice of phase change materials can be imported from foreign-related manufacturers. The quality is better in Germany and the United States. The domestic Beijing wide-area phase variation is mature, and its production is also the largest.
The transformation material is still in the initial use of battery life, but it has a very large social benefit to promote the successful completion of the twelfth-five planning energy-saving and emission reduction target. (This article is based in Beijing Guangwang Mutage Technology Co., Ltd.
Yan Le.
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