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Lithium iron phosphate battery is the most ideal choice for machine room-less base stations

by:dcfpower     2021-03-21
u003cpu003eValve-regulated sealed lead-acid batteries used in traditional base stations have been widely used due to their low price, convenient maintenance, and mature technology. However, as the network construction environment becomes increasingly diversified, traditional base stations are in planning, construction and network maintenance. There are many insurmountable problems encountered. The introduction of machine room-less base stations has brought about innovations in the construction of wireless communication base stations, but at the same time, more stringent requirements have been placed on backup batteries. Ordinary lead-acid batteries can no longer meet the construction needs of machine room-less base stations, and a new type of battery solution is proposed. u003c/pu003eu003cpu003eu003cpu003eThe machine room-less base station refers to the construction of integrated outdoor integrated cabinets with built-in distributed equipment instead of building or renting a dedicated computer room to install the main equipment and supporting equipment of the macro base station. The connection between the machine room-less base station and the transmission networku003c/pu003eu003cpu003eand the antenna feeder installation method are still the same as the machine room base station. u003c/pu003eu003cpu003eu003cpu003eThe machine roomless base station has the characteristics of a truly integrated structure, low power consumption, stability and reliability, strong outdoor adaptability, convenient operation and maintenance, and flexible and diverse networking modes. Machine room-less base stations do not need to separately construct equipment rooms, power supply racks, air-conditioning and other supporting facilities, reducing infrastructure investment and later operation and maintenance costs, and can take advantage of the convenient installation of base stations to shorten the construction period and achieve rapid site construction. u003c/pu003eu003cpu003eu003cpu003eu003c/pu003eu003cpu003eu003cpu003eFigure 1 Discharge curve of lithium iron phosphate batteryu003c/pu003eu003cpu003eu003c/pu003eDue to the height of the integrated outdoor integrated cabinet of the machine roomless base station Integration requires that the built-in equipment must be miniaturized and modularized. The valve-regulated lead-acid battery used in the traditional computer room can no longer meet the backup power demand of the machine roomless base station due to its large size and harsh environmental temperature requirements. A new type of battery with advanced performance-lithium iron acid battery is proposed as a backup battery for micro-small base stations. The battery has the advantages of small size, light weight, outstanding high temperature performance, excellent cycle performance, high rate charging and discharging, and environmental protection. It can be used in harsh base station environments such as high ambient temperature, small room area and small load-bearing capacity. Meet the backup power requirements of base stations without machine room. The inside of a lithium iron phosphate battery is mainly composed of a positive electrode, a negative electrode, an electrolyte and a separator. The positive electrode uses lithium iron phosphate (LiFePO4, referred to as lithium iron phosphate), the negative electrode is graphite or coke, and the electrolyte is composed of lithium salt and organic solvent. Author: Shen Guofeng Wang Xu reproduced, please indicate u003c/ pu003e u003cpu003e u003c/ pu003e u003cpu003e related applications: communication base station power u003c/ pu003e u003c/ pu003e u003c/ pu003e u003c/ pu003e Knowledge: phosphoric acid Application and advantages of lithium iron batteries in the communications industryu003c/pu003e
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