18650 lithium battery.Lithium iron phosphate battery

　　(1) Introduction

　　Lithium iron phosphate battery refers to a lithium ion battery using lithium iron phosphate as a positive electrode material. The main cathode materials of lithium-ion batteries are lithium cobalt, lithium manganate, lithium nickel, ternary materials, lithium iron phosphate and so on. Lithium cobaltate is the anode material used in most lithium-ion batteries.

　　(2) Advantages

　　1, lithium iron phosphate battery life is long, cycle life of more than 2000 times. Under the same conditions, lithium iron phosphate batteries can be used for 7 to 8 years.

　　2, safe use. Lithium iron phosphate batteries have undergone rigorous safety tests and will not explode even in traffic accidents.

　　3. Fast charging. Using a dedicated charger, the 1.5C charge can be fully charged in 40 minutes.

　　4, lithium iron phosphate battery high temperature resistance, lithium iron phosphate battery hot air value can reach 350 to 500 degrees Celsius.

　　5, lithium iron phosphate battery capacity is large.

　　6, lithium iron phosphate battery has no memory effect.

　　7, lithium iron phosphate battery green environmental protection, non-toxic, pollution-free, wide source of raw materials, cheap.

　　(3) Disadvantages

　　1, lithium iron phosphate battery positive vibration density is small, the density is generally about 0.8 to 1.3. It's big.

　　2, poor electrical conductivity, lithium ion diffusion speed is slow, high charge and discharge, the actual specific capacity is low.

　　3, lithium iron phosphate battery low temperature performance is poor.

　　4, lithium iron phosphate battery single battery life is long, about 2000 times, but the life of lithium iron phosphate battery pack is short, generally about 500 times.

　　(4) Fields of application

　　Large electric vehicles: buses, electric vehicles, sightseeing buses and hybrid vehicles, etc.

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

　　Power tools: drill, chainsaw, lawn mower, etc.

　　Remote control cars, boats, planes and other toys;

　　Energy storage for solar and wind power generation;

　　UPS and emergency lights, warning lights and mine lights (best safety);

　　Instead of 3V disposable lithium batteries and 9V nickel-cadmium or nickel-metal hydride rechargeable batteries in cameras (exactly the same size);

　　Small medical equipment and portable instruments, etc.

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