What is the main analysis of voltage and capacity of lithium iron phosphate batteries.best solar generator for home backup

　　Lithium iron phosphate battery is a lithium-ion battery that uses lithium iron phosphate (LiFePO4) as the positive electrode material and carbon as the negative electrode material. The rated voltage of the monomer is 3.2V, and the charging cut-off voltage is 3.6V-3.65V. During the charging process, some lithium ions in lithium iron phosphate are removed and transferred to the negative electrode through the electrolyte, which is embedded in the negative electrode carbon material; At the same time, electrons are released from the positive electrode and reach the negative electrode from the external circuit, maintaining the balance of chemical reactions. During the discharge process, lithium ions detach from the negative electrode and reach the positive electrode through the electrolyte. At the same time, the negative electrode releases electrons, which reach the positive electrode from the external circuit and provide energy to the outside world.

　　Lithium iron phosphate batteries have the advantages of high working voltage, high energy density, long cycle life, good safety performance, low self discharge rate, and no memory effect.

　　1. Lithium iron phosphate battery voltage

　　The nominal voltage of a single lithium iron phosphate battery is 3.2V, the charging voltage is 3.6V, and the discharge cut-off voltage is 2.0V. The lithium iron phosphate battery pack achieves the required voltage for the equipment through the series combination of battery cells, and the battery pack voltage is N * the number of series connections. There are several commonly used voltages for lithium iron phosphate battery packs:

　　12V lithium iron phosphate battery

　　24V lithium iron phosphate battery

　　36V lithium iron phosphate battery

　　48V lithium iron phosphate battery

　　2. Lithium iron phosphate battery capacity

　　The capacity of a lithium iron phosphate battery pack is determined based on the capacity and number of battery cells connected in parallel, usually according to the specific requirements of the electrical equipment. The more lithium iron phosphate cells are connected in parallel, the greater the capacity. Common lithium iron phosphate battery packs have capacities of 10ah, 20ah, 40ah, 50ah, 100ah, 200ah, 400ah, etc.

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