Lithium batteries for electric vehicles can be purchased from various online e-commerce websites and offline electric vehicle stores.
The traditional structure of a lithium-ion battery includes a graphite anode, a cathode composed of lithium-ion metal oxide, and an electrolyte (lithium salt solution dissolved in an organic solvent). The most common lithium-ion battery uses carbon as the anode, a solution of lithium hexafluorophosphate dissolved in ethylene carbonate and dimethyl carbonate as the electrolyte, and lithium manganese dioxide as the cathode. It is light and strong, has a high specific energy and. the cell voltage is about 3.7V.
Compared with nickel-metal hydride batteries, lithium-ion batteries have a relatively high operating voltage and large specific energy, which is three times greater thanthat of nickel-metal hydride batteries. Lithium-ion batteries are small in size, light in weight, have a long service life, low self-discharge rate, no memory effect and no pollution.
The numerical range of a single battery performance indicator is wide, because lithium-ion batteries have many electrode combinations and there are some differences in their performance.
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Lithium-ion batteries have the characteristics of light weight, large energy storage, high power and no pollution, and are increasingly used in various fields. The more extensive it is, the greater its research and production have made. Lithium-ion batteries are used as power sources in electric vehicles and have become a new trend in the development of electric vehicles.
Advances in technologyLithium-ion batteries and their application in key emerging markets (electric vehicles) have sparked a global boom in research and development. Therefore, lithium-ion batteries are set to take a leading role in the sector. areas of electric vehicles and new energies.
In electric vehicles, the most commonly used lithium-ion battery is lithium iron phosphate battery, which has good thermal stability and safety and is relatively inexpensive. These factors make lithium iron phosphate batteries the first choice for small electric vehicles and PHEV batteries.
However, among lithium ion batteries, the specific energy, specific power and operating voltage of lithium phosphate batteries are relatively low. In the application of large pure electric vehicles, lithium cobalt oxide and lithium manganese batterieshave more. benefits.
However, the widespread application of lithium battery electric vehicles also has certain problems, mainly due to the performance limitations of lithium batteries, including safety, service life, cost , operating temperature and lithium material supply. -ion batteries.