The advantages of lithium iron phosphate battery

　　1. Improvement of safety performance

　　The P-O key in lithium iron phosphate crystals is stable and difficult to decompose. Even when it is high or overcharge, it will not be structural and fever like lithium cobaltate or forms a strong oxidized substance, so it has good safety.

　　2. Improvement of life

　　Lithium iron phosphate batteries refer to lithium ion batteries using lithium iron phosphate as a positive electrode material.

　　The circulation life of long life lead -acid batteries is about 300 times, and the highest is 500 times. The cycle life of lithium iron phosphate power batteries has reached more than 2,000 times. The same -quality lead -acid battery is "new half a year, old half a year, maintenance and maintenance for half a year", at most 1 to 1.5 years, and lithium iron phosphate batteries are used under the same conditions, and the theoretical life expectancy will reach 7 to 8 years. Comprehensive consideration, performance price is theoretically more than 4 times that of lead -acid batteries. Large -current discharge can be large -current 2C quickly and quickly charged. Under the special charger, the battery can be filled within 40 minutes of charging, and the starting current can reach 2C, while the lead -acid battery has no performance.

　　3. Good high temperature performance

　　Lithium iron phosphate can reach 350 ° C-500 ° C, and lithium manganate and lithium cobaltate can only be around 200 ° C. The working temperature range is wide (-20C--75C), and the high temperature resistance of the iron-resistant characteristics can reach 350 ° C-500 ° C, and lithium manganate and lithium cobaltate can only be around 200 ° C.

　　4. Large capacity

　　The battery works under the condition that it is often full, and the capacity will be quickly lower than the rated capacity value. This phenomenon is called memory effect. Like nickel -metal hydride and nickel -cadmium batteries, there are memory, while lithium iron phosphate batteries do not have this phenomenon. No matter what state in the battery is, it can be used as it can be charged without charging before charging.

　　5. Light weight

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

　　6. Environmental protection

　　Lithium iron phosphate batteries are generally considered to contain any heavy metals and rare metals (nickel -metal hydride batteries require rare metals), non -toxic (SGS certification), without pollution, complying with European ROHS regulations, and is an absolute green environmental protection battery certificate. Therefore, the reason why lithium batteries are optimistic about the industry are mainly environmental protection considerations. Therefore, the battery is also included in the "863" national high -tech development plan during the "Fifth Five -Year Plan" period, becoming a national key support and encouraging development project. As China joins the WTO, the export volume of China's electric bicycles will increase rapidly, and electric bicycles entering Europe and the United States have requested that it is equipped with pollution -free batteries.

　　However, some experts said that environmental pollution caused by lead -acid batteries mainly occur in the irregular production process and recycling process of enterprises. In the same way, lithium batteries are good in the new energy industry, but it cannot avoid the problem of heavy metal pollution. There are lead, arsenic, cadmium, mercury, chromium, etc. in the processing of metal materials may be released into dust and water. The battery itself is a kind of chemical, so there may be two kinds of pollution: first, the process excrement pollution in the production engineering; the other is the battery pollution after scrap.

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