Comparison of advantages and disadvantages of lithium iron phosphate battery and Sanyuanli battery

Lithium iron phosphate battery: refers to a lithium ion battery that uses lithium iron phosphate as the positive electrode material. Its characteristics are that it does not contain precious elements such as cobalt, the price of raw materials is low, and the content of phosphorus and iron are abundant in the earth, so there will be no supply problems. Its working voltage is moderate (3.2V), large capacity per unit weight (170mAh/g), high discharge power, fast charging and long cycle life, and high stability in high temperature and high heat environment. Advantages Compared with the more common lithium cobalt oxide and lithium manganate batteries currently on the market, lithium iron phosphate batteries have at least the following five advantages: higher safety, longer service life, and no heavy metals and rare Metal (low raw material cost), supports fast charging, and has a wide operating temperature range. Disadvantages Lithium iron phosphate has some performance defects, such as low tap density and compaction density, resulting in lower energy density of lithium-ion batteries; material preparation costs and battery manufacturing costs are higher, and battery yield is low, consistent Poor sex; poor product consistency; intellectual property issues. Ternary polymer lithium-ion battery: A lithium-ion battery using lithium nickel cobalt manganese oxide (Li(NiCoMn) O2) ternary cathode material as the cathode material. According to Ouyang Minggao of Tsinghua University, the ternary material mentioned in this survey refers to the ternary power lithium battery in the common saying that the positive electrode is ternary and the negative electrode is graphite. In actual Ru0026D applications, there is another type of positive electrode that is ternary and the negative electrode is lithium titanate. It is usually called lithium titanate. Its performance is relatively safe and its life is relatively long. It is not a common ternary material. Advantages The ternary lithium ion battery has high energy density and better cycle performance than normal lithium cobalt oxide. At present, with the continuous improvement of the formula and the perfect structure, the nominal voltage of the battery has reached 3.7V, and the capacity has reached or exceeded the level of lithium cobalt oxide batteries. Disadvantages Ternary material power lithium-ion batteries are mainly nickel-cobalt-aluminate lithium-ion batteries, nickel-cobalt-manganese-li Body flatulence, which in turn causes danger, is currently costly. In comparison, the ternary polymer lithium-ion battery does have better characteristics than the iron phosphate lithium-ion battery, but why its development has been hindered? The key to the development of new energy vehicles is also the development of the key battery that plagues mobile digital products. How to ensure that battery technology can meet the growing needs of consumers under safe conditions is not only the pursuit of automotive technology-related industry personnel, but also scientific researchers in the entire field. However, some consumers may temporarily stop for some reasons. I am curious about new energy vehicles because of the lingering fears of various spontaneous combustion incidents of new energy vehicles. And this is exactly why the author writes this article today. It is necessary to understand that if you don't understand the fundamentals of new energy vehicles-the pros and cons of energy modules, and if you don't understand the matters needing attention during use, it is actually no different from buying a timely bomb and putting it around. Disclaimer: Some pictures and content of the articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: Is it better to use lithium iron phosphate for takeaway electric vehicles or ternary lithium ion batteries?