Sunfree Lighting Limited is a high-tech manufacturer specialized in R&D and production of solar led street light

In a minute, we can know what is the lithium iron phosphate batteries

by:SUNFREE     2021-02-12
A kind of LED street lamp with lithium iron phosphate batteries, lithium iron phosphate as cathode material of lithium ion battery. LED street lamp which is a kind of based on semiconductor PN junction formation with a weak electricity can glowing efficient solid-state light source, in certain positive bias voltage and the electrical flow injection, injection of holes and injection P N the electronic after spread to have source area by the radiative recombination and emit photons, convert electrical energy directly into light energy. LED lights factory it is a solid cold light source, green pollution-free, less power consumption, high photosynthetic efficiency, long life, therefore, the LED street light will become the best choice of the road lighting energy saving reconstruction. Lithium ion battery anode materials for lithium cobalt and lithium manganese acid lithium, nickel, ternary material, lithium iron phosphate, etc. LED lights factory it is a solid cold light source, green pollution-free, less power consumption, high photosynthetic efficiency, long life, therefore, the LED street light will become the best choice of the road lighting energy saving reconstruction. Among them, the lithium iron phosphate is one of the most used in lithium ion battery cathode materials. In terms of material principle, lithium iron phosphate is also embedded/embedded process, with lithium cobalt and lithium manganese acid is exactly the same. Lithium iron phosphate batteries belong to lithium ion secondary battery. A main purpose is to use as power battery. It is better than NI - MH and Ni - Cd battery has a big advantage, and with high charge and discharge efficiency. Discharge under the condition of charging and discharging efficiency can reach 90. More than %, while lead-acid batteries accounted for about 80%. Eight big advantage 1, improve safety performance of lithium iron phosphate crystals in p - O key is stable and difficult to decompose. Even in the case of high temperature or overheating, also won't like lithium cobalt collapse and fever, or strong oxidizing substances, therefore has good security. Report points out, in practice, found a small amount of sample combustion in acupuncture or short circuit experiments, but there was no explosion. In the experiment of overcharge, Gaodianya is several times higher than their discharge voltage, is used to charge. There is still a blast. Even so, its overcharge safety compared with the ordinary liquid electrolytic lithium cobalt acid battery had the very big enhancement. 2, the improvement of the life cycle life of lead-acid battery is about 300 times, up to 500 times, lithium iron phosphate power battery cycle life of more than 2000 times, charging standards, 5 h rate) Up to 2000 times. Lead-acid batteries of the same quality of the 'new half a year, half a year old, maintenance for half a year', the maximum time for 1 x 1. 5 years, under the same conditions of lithium iron phosphate battery theory of life can be up to 7 ~ 8 years. Considering the service life of the lead-acid battery, the service life of the lead-acid battery is 4 times bigger than the lead-acid battery. Large current discharge can be fast charge and discharge large current 2 c. Under the special charger, 1. 5 c can be full of battery charging 40 minutes, starting current can be up to 2 c, but no the performance of the lead-acid battery. 3, good high temperature performance of the lithium iron phosphate peak temperature can reach 350 ° C - 500 ° C, lithium cobalt and lithium manganese acid and acid only at about 200 ° C. Wide working temperature range, - 20C - + 75 c) , high temperature resistant, lithium iron phosphate peak as high as 350 ° C - heating 500 ° C, and cobalt acid lithium manganese acid lithium is only around 200 ° C. 4, large capacity, its capacity than conventional cells ( Lead acid, etc. ) Big. 5AH- 1000啊( Monomer) 5, no memory effect of rechargeable batteries in full and not often discharge under the conditions of work. Capacity will soon be lower than the rated capacity. This phenomenon is called memory effect. Nickel-metal hydride and nickel cadmium battery, for instance, memory characteristics, lithium iron phosphate batteries have no this kind of phenomenon. No matter what the status of battery, which can be used with charge, do not need to discharge before charging.
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