Difference between lifepo4 lithium batteries and lithium battery

Lithium battery is a kind of battery with lithium metal or lithium alloy as anode material and non-aqueous electrolyte solution. lifepo4 lithium batteries refers to lithium ion battery with lithium iron phosphate as cathode material.

Advantages of lithium battery

1. It has high energy ratio and high storage energy density, which can reach 460-600Wh/kg, 6-7 times that of lead-acid battery.

2. High and low temperature adaptability, can be used in the environment of - 20 - 60 ℃, and can be used in the environment of - 45 ℃ after technological treatment.

3. It has high power bearing capacity. The lithium ferrous phosphate battery for electric vehicles can reach 15-30C charging and discharging capacity, which is convenient for high-intensity starting acceleration.

4. Green and environmental protection, no matter how it is produced, used or scrapped, it does not contain any toxic and harmful heavy metal elements and substances such as lead, mercury and cadmium.

5. Light in weight, about 1/6-1/5 of lead acid product in the same volume.

Disadvantages of lithium battery

1. Lithium battery cannot discharge with large current, which is expensive and has poor safety.

2. High production requirements and high cost.

3. The use conditions are limited, and high and low temperature use is dangerous.

4. All lithium batteries need to protect the circuit to prevent overcharge and over-discharge of the battery.

Application field of lithium battery

Traffic power supply, electric energy storage power supply, mobile communication power supply, new energy energy storage power supply, aerospace and military power supply.

Advantages oflifepo4 lithium batteries

1. Ultra-long service life: lifepo4 lithium batteries have a long service life, with a cycle life of more than 2000 times. Under the same conditions, lifepo4 lithium batteries can be used for 7-8 years.

2. Energy conservation and environmental protection: lifepo4 lithium batteries is green, non-toxic, pollution-free, with a wide range of raw materials and cheap price.

3. High temperature resistance: lifepo4 lithium batteries can withstand high temperature, and the thermal wind value of the battery can reach 350-500 ℃.

4. Fast charging: use a special charger to charge the battery at 1.5C for 40 minutes.

5. Large capacity: lifepo4 lithium batteries have large capacity.

6. Use safety: lifepo4 lithium batteries have passed strict safety test and will not explode even in traffic accidents.

Disadvantages of lifepo4 lithium batteries

1. The true density of the positive electrode of lifepo4 lithium batteries are small, generally about 0.8-1.3.

2.lifepo4 lithium batteries have poor low-temperature performance.

3. The life of a single lifepo4 lithium batteries are long, about 2000 times, but the life of the lifepo4 lithium batteries packs are short, generally about 500 times.

4. The conductivity is poor, the diffusion speed of lithium ion is slow, and the actual specific capacity is low when charging and discharging at high times.

Application field of lifepo4 lithium batteries

Large electric vehicles, light electric vehicles, electric tools, solar and wind energy storage equipment, UPS and emergency lights, warning lights and miner‘s lights, small medical equipment and portable instruments.

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