-(4)What is a lithium iron phosphate battery? A simple understanding of lithium iron phosphate batteries

(4)What is a lithium iron phosphate battery? A simple understanding of lithium iron phosphate batteries
author:enerbyte source:本站 click339 Release date: 2023-09-05 14:10:25
abstract:
Comparison of Power Lithium Batteries At present, the most promising cathode materials for power type lithium-ion batteries include modified lithium manganese oxide (LiMn2O4), lithium iron phosphate (LiFePO4), and nickel cobalt lithium manganese oxide (Li (Ni, Co, Mn) O2) te...

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Comparison of Power Lithium Batteries

At present, the most promising cathode materials for power type lithium-ion batteries include modified lithium manganese oxide (LiMn2O4), lithium iron phosphate (LiFePO4), and nickel cobalt lithium manganese oxide (Li (Ni, Co, Mn) O2) ternary materials. Due to the lack of cobalt resources and the high proportion of nickel and cobalt, as well as the large price fluctuations, the nickel cobalt lithium manganese oxide ternary material is widely believed to be difficult to become the mainstream of power lithium-ion batteries for electric vehicles. However, it can be mixed with spinel lithium manganese oxide within a certain range.

Industry Application and Development

Due to the aforementioned characteristics of lithium iron phosphate power batteries and the production of various batteries with different capacities, they quickly gained widespread application. Its important application areas include:

Large electric vehicle: buses, electric vehicles, scenic tour buses, and hybrid vehicles;

Light electric vehicles: electric bicycles, golf carts, small flat battery trucks, forklifts, cleaning vehicles, electric wheelchairs, etc;

Electric tools: electric drills, electric saws, lawn mowers, etc;

Remote control of toys such as cars, ships, and airplanes;

Energy storage equipment for solar and wind power generation;

UPS and emergency lights, warning lights, and miner's lights (with the best safety);

Replace 3V disposable lithium-ion batteries and 9V nickel cadmium or nickel hydrogen rechargeable batteries (identical in size) in cameras;

Small medical equipment and portable instruments, etc.

In recent years, Japan and South Korea have significantly developed power type lithium-ion batteries using modified lithium manganese oxide and nickel cobalt lithium manganese oxide ternary materials as cathode materials, such as Panasonic EV Energy Company jointly established by Toyota and Panasonic, Hitachi, Sony, Shin Kobe Electric, NEC, Sanyo Electric, Samsung, and LG. The United States has significantly developed power type lithium-ion batteries using lithium iron phosphate as the positive electrode material, such as A123 Systems and Valence. However, important automobile manufacturers in the United States have chosen manganese based positive electrode material system for power type lithium-ion batteries in their PHEVs and EVs. It is said that A123 Company in the United States is considering entering the field of lithium manganese oxide materials, while European countries such as Germany have adopted cooperation with battery companies in other countries to develop electric vehicles, For example, Daimler Benz and the French Saft alliance, as well as the German Volkswagen and Japanese Sanyo agreement cooperation. Currently, Volkswagen in Germany and Renault in France are also developing and producing power type lithium-ion batteries with the support of their respective governments.

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