What are the characteristics of electric vehicle lithium battery?

First, long life

The long-life lead-acid battery has a cycle life of about 300 times, the highest is 500 times, while the lithium iron phosphate power battery has a cycle life of more than 2,000 times, and the standard charge (5 hour rate) can be used up to 2000 times. The same quality lead-acid battery is "new half year, old half year and maintenance for half a year", up to 1-1.5 years, and lithium iron phosphate battery used under the same conditions, will reach 7-8 years can be said "lifetime system". Comprehensive consideration, the performance price ratio will be more than 5 times that of lead-acid batteries.

Second, the use of security

Lithium iron phosphate completely solves the safety hazard problem of lithium cobaltate and lithium manganate. Lithium cobaltate and lithium manganate will cause explosion under strong collision, which poses a threat to consumers' life safety, while lithium iron phosphate is strictly Safety testing Even in the worst traffic accidents, there is no lithium battery that is the most characteristic of the explosion.

Third, the large flow 2C can be quickly charged and discharged.

The battery can be fully charged within 1.5 minutes of charging under a dedicated charger for 1.5 minutes, and the starting current can reach 2C, while lead-acid batteries do not have this performance.

Fourth, high temperature resistance

The peak temperature of lithium iron phosphate can reach 350 ° C -500 ° C while lithium manganate and lithium cobaltate are only around 200 ° C.

Fifth, large capacity

The duration of the lithium iron phosphate power battery produced by Popeye is 3-4 times that of the same quality lead-acid battery. Its advantages can make the electric bicycle run more than 100 kilometers on a premise of moderate weight. It can be used for a week or so. The electric bicycle equipped with the lead-acid battery has a battery capacity of up to 12 Ah under the condition that the weight of the whole vehicle is not exceeded (the lead-acid battery weight has reached 13 kg at this time, and the lithium iron phosphate battery of the same capacity has a weight of only 5 kg). It can drive up to 50km at a time.

Sixth, no memory effect

Rechargeable batteries work under conditions that are often not fully discharged, and the capacity will quickly fall below the rated capacity. This phenomenon is called the memory effect. There are memories like nickel-metal hydride and nickel-cadmium batteries, but lithium iron phosphate batteries do not have this phenomenon. No matter what state the battery is in, it can be used with charging, no need to discharge and recharge.

Seventh, small size and light weight

The volume of the lithium iron phosphate battery of the same specification capacity is 2/3 of the volume of the lead-acid battery, and the weight is 1/3 of the lead-acid battery.

Eighth, green and environmental protection

Lithium iron phosphate material does not cause any pollution to the environment. It is recognized as a green battery in the world. The battery is not polluted during production and use. Therefore, the battery has been included in the “Tenth Five-Year Plan” period. The “863” National High-Tech Development Plan has become a national key support and encouragement development project. With China's accession to the WTO, the export volume of electric bicycles in China will increase rapidly. Nowadays, electric bicycles entering Europe and the United States have been required to be equipped with non-polluting batteries. Electric vehicles equipped with lead-acid batteries are difficult to export. Lithium iron phosphate materials and electric vehicles equipped with power batteries are widely exported to the European market. The choice of lithium iron phosphate as an electric vehicle battery will be a wise choice with long-term strategic significance.

The page contains the contents of the machine translation.