cr2032 button battery

　　At present, new energy vehicles mainly use cr2032 button battery

　　cr2032 button battery cr2032 button battery are the most commonly heard. They use lithium compounds such as lithium manganate, lithium phosphate or lithium cobalt oxide as the positive electrode; use carbon materials that can embed lithium ions as the negative electrode; and store the organic electrolyte of the battery. .

　　At present, new energy vehicles are mainly cr2032 button battery, which can be divided into square and cylindrical shapes according to their shapes. They can be divided into four types according to the different cathode materials:

　　1. Lithium manganate battery,

　　2. Lithium iron phosphate battery,

　　3. Lithium cobalt oxide battery,

　　4. Nickel-cobalt-manganese lithium-ion battery.

　　1. Lithium manganate ion battery This battery uses lithium manganate raw material for positive potential, reaching the nominal voltage, low cost and good safety. Lithium manganate (limn2o4) has a spinel structure, a basic theoretical volume of 148mah/g, a specific volume of 9012b250ah/g, and an operating frequency range of 34v. Advantages: rich resources, low price, high safety factor, and convenient manufacturing;

　　Disadvantages: The basic theoretical volume is not large; the raw materials in the electrolyte are dissolved, that is, the compatibility in the electrolyte is not good; during the deep discharge process, the raw materials are prone to changes in lattice constants, resulting in a rapid battery capacity attenuation coefficient, especially in at higher temperatures.

　　2. Lithium iron phosphate battery refers to a lithium-ion battery made of lithium iron phosphate battery as the positive electrode material. Lithium iron phosphate (lifepo4) has the structure of malachite, and its basic theoretical volume is 17b250ah/g. In the absence of modified materials, its specific volume reaches 11b250ah/g. The specific capacity of lithium phosphate battery can reach 165ma/g, and the operating frequency is high and low. Advantages: high reliability, high reliability, strong environmental protection, good quality, cheap price; Disadvantages: high resistance, low usage rate of metal electrodes; currently, carbon composite lithium phosphate batteries are widely used as a positive potential. 3. Lithium cobalt oxide battery Lithium-ion battery is a kind of lithium-ion battery, and lithium cobalt battery is a kind of lithium-ion battery. Advantages: photocatalytic performance, easy processing, stable performance, good consistency, high specific volume; Disadvantages: weak safety factor and high cost. 4. Nickel-cobalt-manganese lithium-ion battery (ternary lithium battery) refers to a lithium-ion battery with nickel-cobalt-manganese ternary material as the positive potential. It has high working capacity density, high power, long life, easy processing and good safety factor.

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