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Main advantages of lithium ion battery
The advantages of lithium ion batteries we often say are aimed at traditional nickel cadmium batteries (Ni/cd) and nickel metal hydride batteries (Ni/cd). So, what's good about lithium ion batteries? Compared with lead-acid, nickel hydrogen and nickel cadmium batteries, it can be basically summarized as follows:
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Types of lithium batteries for electric vehicles and how to choose lithium batteries for electric vehicles
1、 There are several types of lithium batteries for electric vehicles. The lithium batteries for electric vehicles are mainly divided into ternary lithium batteries, lithium manganate batteries and lithium iron phosphate batteries. Different meters of batteries use different cathode materials. The ternary lithium batteries use lithium nickel cobalt manganate or lithium nickel cobalt aluminate as ternary cathode materials. The lithium manganate batteries use lithium manganate as cathode materials, and the lithium iron phosphate batteries use iron phosphate as cathode materials. In terms of application scenarios, ternary lithium battery and lithium manganate battery are widely used in two wheel (three wheel) electric vehicles.
Structure of lithium ion power battery
Lithium ion power batteries usually have two types: cylindrical and rectangular. The cylindrical battery adopts spiral wound structure inside, and is made of a very fine and highly permeable polyethylene or polypropylene or polyethylene and polypropylene composite film isolation material separated between the positive and negative electrodes. The rectangle is formed by laminating, that is, placing a diaphragm on the positive pole and then the negative pole, and so on.