In recent years, the new energy vehicle industry has developed rapidly. As the core component and power source of new energy vehicles, the output of power batteries is also showing a growing trend. LiFePO4 batteries/pack have many advantages such as cycle life, cost, and safety. Its output and loading volume ushered in a substantial increase. Next, let’s take a look at the relevant information about LiFePO4 batteries/packs.
Composition and principle of LiFePO4 batteries pack.
The so-called LiFePO4 batteries pack refers to lithium-ion batteries that use lithium iron phosphate as the positive electrode material. This type of battery is characterized by the absence of precious metal elements. In actual use, LiFePO4 batteries pack has the advantages of high-temperature resistance, strong stability, high cycle times, and low price. LiFePO4 batteries pack is LiFePO4 with an olivine structure on the left and carbon (graphite) on the right, separated by a special composite film in the middle. The positive pole on the left is connected to the aluminum foil, and the negative pole on the right is connected to the copper foil. The electrolyte of the battery is between the upper and lower ends of the battery, and the battery is hermetically sealed by a metal casing. When the battery is charged, lithium ions are decomposed on the positive electrode, and lithium ions enter the negative electrode of the battery through the electrolyte and are embedded in the micropores of the carbon layer of the negative electrode. During the use of the battery, the lithium ions embedded in the micropores of the negative electrode move back to the positive electrode; the more lithium ions returned to the positive electrode, the higher the discharge capacity (the battery capacity is usually referred to as the discharge capacity). In this way, during the charging and discharging process of the battery, lithium ions constantly move back and forth between the positive and negative electrodes.
The main application fields of LiFePO4 batteries/pack.
The performance of LiFePO4 batteries pack mainly depends on the positive and negative electrode materials, and lithium iron phosphate was introduced as a positive electrode material late. However, it has a series of advantages such as high safety performance, long cycle life, wide source of raw materials, and low price. It has attracted special attention from experts and scholars in the industry, and related research results and products have been quickly applied and promoted. At present, China’s leading power battery enterprises use lithium iron phosphate materials as positive electrodes for more than 30% of the products, and they are showing rapid growth.
The development trend of LiFePO4 batteries pack.
With the continuous strengthening of global environmental protection awareness, my country proposed at the 75th session of the United Nations General Assembly to achieve carbon peaking before 2030 and carbon neutrality before 2060. New energy will be the focus of future development, and LiFePO4 batteries pack have some advantages that make it play a bigger role in diversified market applications, especially in new energy vehicles, 5G communication base stations, electric ships, and other fields. The promotion and application of new technologies and solutions such as “blade battery” “CTP” – “CTC”, and LiFePO4 batteries pack products will become one of the hot spots in the development of new energy. In the future, the proportion of LiFePO4 batteries pack in new energy power batteries will be higher and higher. Especially with the application promotion of new technologies and processes and the improvement of safety and energy density, LiFePO4 batteries pack will occupy a dominant position in power batteries.
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