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Analysis of advantages, application fields and development prospects of lithium iron phosphate battery pack. Now the use of lithium iron phosphate battery is more and more widely, because the lithium battery pack has long life, green environmental protection, safety, small size and other advantages, Xiaobian forecast lithium iron phosphate battery pack will become the biggest winner in the energy storage market.
Lithium iron phosphate battery pack advantages:
Lithium-ion battery packs offer the following significant advantages over other types of batteries.
① High working voltage. The working voltage of lithium cobalt acid lithium ion battery is 3.6V, the working voltage of lithium manganese acid lithium ion battery is 3.7V, the working voltage of lithium iron phosphate battery pack is 3.2V, while the working voltage of nickel hydrogen and nickel cadmium battery is only 1.2V.
② High energy density. The theoretical energy density of the cathode material for lithium battery pack can reach more than 200W·h/kg. In practical application, the energy density is usually lower than this value due to irreversible capacity loss, but it can also reach 140W·h/kg, which is still 3 times that of Ni-Cd battery and 1.5 times that of Ni-MH battery.
Long cycle life. At present, in the case of deep discharge, the cycle number of lithium battery pack can reach more than 1000 times; Under the condition of low discharge depth, the number of cycles can reach tens of thousands of times, and its performance is far better than other similar batteries.
④ small self-discharge. The monthly self-discharge rate of lithium-ion battery is only 5% ~ 9% of the total capacity, which greatly alleviates the problem of power loss caused by self-discharge in traditional secondary battery placement.
⑤ No memory effect. Lithium-iron phosphate battery pack without this phenomenon, no matter what state of the battery, can be used with the rush, without the need to put completely and then charge.
High environmental protection. Compared with traditional lead-acid batteries, nickel-cadmium batteries and even nickel-metal hydride batteries, which may cause environmental pollution, lithium iron phosphate material does not contain any heavy metals and rare metals, non-toxic, no matter in the production and use of no pollution, is a real sense of green battery.
⑦ quick charging: lithium battery can be large current 2C rapid charge and discharge, in the special charger 1.5C charging within 40 minutes can be full of battery, start current up to 2C, and lead-acid battery now without this performance.
Safety: safety comes from the stability of cathode materials and reliable safety design, lithium iron phosphate battery pack has been strictly tested for safety, even in a violent collision will not produce an explosion.
⑨ High temperature resistance: the thermal peak of lithium iron phosphate battery can reach 350~500℃, and the operating temperature range is wide (-20~+75℃). It can still release 100% capacity at high temperature (60℃).
Application fields of lithium iron phosphate battery pack:
(1) in the application of portable electrical appliances, such as mobile phones, laptop computers, miniature cameras and other portable power appliances have become an indispensable part of people's lives, in its power, without exception to choose lithium battery pack as the mainstream of the market. According to statistics, the global production of mobile phones is nearly 2.1 billion units each year, and the global production of notebook computers is about 150 million units each year, forming a huge lithium battery application market. In this field, lithium cobalt oxide, lithium manganese oxide lithium ion battery occupies the dominant position.
(2) Application in the transportation industry With the progress of social civilization, people's awareness of environmental protection is improved and the environmental requirements are increasingly high. Environment-friendly transportation has entered people's vision. At present, China's electric light vehicles mainly electric bicycles show a booming trend of development, power lithium iron phosphate battery pack has begun to be used in some high-end models, in the development of electric vehicles, lithium ion battery has become the mainstream.
In China, more than half of the EV models developed by many automobile development and production enterprises adopt lithium batteries, and the trend is gradually expanding.
(3) in the application of military equipment and aerospace enterprise in military equipment, lithium iron phosphate battery pack is used primarily as a dynamic start-up power, wireless communication station power, miniature unmanned reconnaissance aircraft power supply, etc., in addition, such as laser sight, night-vision device, the pilot life-saving station is now also widely used lithium ion battery power supply, etc. In the space sector, lithium batteries have been used in geosynchronous orbit satellites and low-orbit communications satellites as the power for calibration and ground operations during launch and flight.
(4) other lithium battery's own structure characteristics and working principle of special, determines its rich raw materials, environmental protection, high specific capacity, cycle performance and safety performance is good wait for a characteristic, in the medical industry (for example, hearing AIDS, heart pacemakers, etc.), the petrochemical industry (oil, for example, the power load adjustment), the power industry (for example, energy storage power) have broad application prospects. In the pursuit of green energy today, it has more important significance.
With the rapid development of mobile electronic devices and the increasing demand for energy, people's demand for lithium battery pack is also increasing. Lithium battery's high capacity, moderate voltage, wide range of sources, long cycle life, low cost, good performance and no pollution to the environment determine that it can not only be used in mobile communication tools, but also may become the power source of electric vehicles which are developing rapidly.
Analysis of the development prospect of lithium iron phosphate battery pack:
As the cathode material of lithium battery pack, lithium iron phosphate is the safest cathode material of lithium ion battery at present. Because of its safety and stability, lithium iron phosphate battery has become an important development direction of lithium ion power battery. With the global trend of vigorously developing new energy vehicles has taken shape, the status of lithium battery pack in China will continue to improve in the future, and will become a dark horse in the industry sooner or later.
China's annual output of lithium iron phosphate batteries is about 10,000 tons, and will maintain a rapid growth in the next few years. Lithium battery pack affects the industrial revolution in the field of new energy such as energy storage, and is related to the development of China's new energy vehicle market. With the in-depth development of national environmental protection, the scale of development of China's lithium battery industry will become larger and larger in the next few years.
With the improvement of lithium battery pack structure development technology, the energy density of lithium iron phosphate group has reached the level of ternary NCM523, and is still increasing. Policy incline and technology advance, lithium iron phosphate battery pack future market prospect.
Some lithium iron phosphate battery manufacturers are also consolidating the existing market at the same time, through a series of card positions to seize the "new track." After years of hard work, Guoxuan Hi-Tech has owned a number of strategic customers in the field of buses and special vehicles, such as SAIC Datong, Ankai Bus, Dayun Automobile, and Jinlong Bus. In the field of industrial vehicles, Guoxuan Hi-Tech has specially set up a forklift technology project team. Aiming at the technical requirements of this market segment for batteries, it has developed lithium iron phosphate batteries for forklifts. It is reported that Guoxuan Hi-tech forklift power battery has been widely used in tobacco, medicine, food and beverage, automobile and parts, logistics, home appliances and other production and manufacturing fields.
Lithium iron phosphate battery pack has the advantages of small size, light weight, high energy density, long life, green environmental protection, no memory effect and so on. Lithium battery pack is also the use of lithium iron phosphate batteries, compared with domestic manufacturers in the consistency, stability, safety, environmental protection, cycle life and other aspects of the battery has a relatively large advantage, the appeal to downstream manufacturers is also very big.