Introduction to the characteristics and advantages of lithium-ion batteries

1. Li-ion battery has high voltage and light weight. The average voltage of a single battery can reach 3.7V or 3.2V, which is relatively equal to the series voltage of 2-4 nickel-hydrogen batteries or nickel-isolated batteries. If the customer requires the voltage of the battery to be used, it is easy to form a lithium-ion battery pack by choosing a lithium-ion battery, and it is convenient and quick to increase the voltage of the lithium-ion battery. 2. The energy and density of lithium-ion batteries are also high for other batteries. Lithium-ion batteries have a high energy storage density. Currently commonly used lithium-ion batteries have a density of 450-620Wh/kg, which is 5-7 times that of lead-acid batteries. If people choose a battery, they will also consider a very important issue, that is, pollution. 3. Compare the battery weight. The weight of a lithium-ion battery is about 5-6 times that of a lead-acid battery. Although the weight of lithium-ion batteries and the weight of polymer lithium-ion batteries are not much different. But looking at capacity and life, people will choose lithium-ion batteries. 4. The service life of lithium-ion battery is very long. If there is no accident, the service life of a lithium-ion battery can be used for more than 6 years, up to 9 years. The normal number of uses is more than 1000 times. If there is no accidental use, the number of times can reach more than 1500. 5. Low self-discharge and no memory effect. In the production of lithium-ion batteries, adding a protective plate to the lithium-ion battery can make the lithium-ion battery have an overcharge and overdischarge effect. Lithium-ion batteries have high power endurance. The lithium-ion batteries used in electric vehicles can reach a high-efficiency charge and discharge capacity of 15-30C, so that the high-intensity start-up and acceleration of the vehicle can be achieved. 1) The working voltage of high voltage bai single battery duzhi is as high as 3.7-3.8V (3.2V for lithium iron phosphate), which is 3 times that of Ni-Cd and Ni-MH batteries. 2) The actual specific energy that can be achieved with a large amount of specific energy is about 555Wh/kg, that is, the material can reach a specific capacity above 150mAh/g (3--4 times Ni-Cd, 2--3 times Ni-MH ), which is close to about 88% of its theoretical value. 3) Long cycle life can generally reach more than 500 times, even more than 1000 times, and lithium iron phosphate can reach more than 2000 times. Regarding small-current discharge electrical appliances, the battery life will double the competitiveness of electrical appliances. 4) Good safety performance, no pollution, no memory effect. As the predecessor of Li-ion, the lithium ion battery is prone to short-circuit due to the formation of dendrites due to metal lithium, which reduces its application fields: Li-ion does not contain cadmium, lead, mercury, etc. Elements that pollute the environment: A major drawback of Ni-Cd batteries of some processes (such as sintered) is the memory effect, which severely restricts the use of batteries, but Li-ion does not have this problem at all. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous post: Four major differences between lead-acid/lithium-ion battery electric vehicles