What is the lifespan of ternary 2025 button cell battery for new energy vehicles?

　　Ternary lithium battery, also known as ternary polymer lithium-ion battery, refers to a lithium battery using lithium nickel cobalt manganate or lithium nickel cobalt aluminate as the positive electrode material of the battery. Ternary lithium batteries are widely used in new energy vehicles due to their small size, high relative density, and cold resistance.

　　The service life of ternary lithium batteries needs to be analyzed from two aspects: the structure and purpose of the battery itself. The factors that determine the number of battery cycles are: battery materials, use environment and optimal operating conditions, etc. The service life of a lithium battery pack is determined by factors such as the structure and raw materials of the rechargeable battery. The current ternary rechargeable battery is a lithium battery made of the positive electrode material of the ternary battery.

　　According to the specifications of rechargeable batteries, the service life of ternary lithium batteries depends on the cycle frequency of the rechargeable batteries, and the capacity of ternary lithium batteries will continue to decrease as the frequency of battery charging increases. The test results show that the ternary lithium battery is continuously charged at 1C. After 1,000 charging cycles, the battery power is reduced to 80% of the new battery state.

　　The technical strength of today's ternary lithium batteries. The volumetric relative density of power lithium batteries widely used in pure electric vehicles is 260Wh/kg. Calculated based on this specific energy, it can reach 20,000 kilometers per year. Calculated based on shallow charging and shallow discharge, the cycle system is used The life span is at least 1000 times. If used properly, a battery car can be used for at least 5-8 years.

　　Irreversible electrochemical corrosion will occur inside the lithium battery, resulting in a reduction in volume. For example, the dissolution of the electrolyte solution in the rechargeable battery, or even the degradation of the active materials in the rechargeable battery, will cause this situation. In addition, the cycle life of the battery is related to the use process of the battery. The technology of ternary lithium batteries is developing rapidly. In terms of its service life, it is also constantly improving.

　　The service life of a battery car battery is very important, and it depends on the use environment and use method. Of course, due to many factors in daily life, especially when the battery is in use, because the charging and discharging depth of the battery is not fixed, the battery's The service life is only for reference. The two worry about the service life of the power lithium battery less than they care about their daily driving habits.

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