3.7v 3000mah 18650 battery

　　Research and development of 3.7v 3000mah 18650 battery, advantages of all-solid-state secondary lithium batteries

　　Research and development of 3.7v 3000mah 18650 battery and the advantages of all-solid-state secondary lithium batteries. As a new form of lithium battery, solid-state secondary lithium battery fundamentally has the advantage of high energy density of lithium battery. 3.7v 3000mah 18650 battery have received widespread attention due to their good safety performance, flexibility, and ability to suppress lithium dendrites. 3.7v 3000mah 18650 battery are expected to become an important direction for the development of the next generation of lithium batteries.

　　Research and development of 3.7v 3000mah 18650 battery

　　Electrolyte materials are the core of all-solid-state lithium battery technology. The electrolyte material of all-3.7v 3000mah 18650 battery largely determines various performance parameters of 3.7v 3000mah 18650 battery, such as power density, cycle stability, safety performance, high and low temperature performance, and service life. According to the type of solid electrolyte material, it can be divided into polymer all-3.7v 3000mah 18650 battery and inorganic all-3.7v 3000mah 18650 battery. Different types of electrolytes have greatly different properties. According to differences in structural design, all-3.7v 3000mah 18650 battery can be divided into thin film type and large capacity type.

　　3.7v 3000mah 18650 battery do not change the battery material. Just by changing the battery structure, the energy storage density can be increased from 300KWH/KG to 900KWH/KG. It can also improve the safety of battery use. It is rumored that this technology is expected to be launched in Europe and the United States in 2020. A breakthrough will be achieved in 2019, which will completely resolve industry concerns about electric vehicle range and spontaneous combustion.

　　Judging from the current trend of continuous improvement in energy density and the progress of research and development, my country's energy density requirement of 400Wh/kg in 2025 is relatively high, which is accelerating the development and application of new battery technologies. At present, the energy density of all-3.7v 3000mah 18650 battery developed by some companies can reach 300-400Wh/kg, which is expected to become an important development direction of the next generation of high-energy-density power and energy storage battery technology. The research and development and application of all-3.7v 3000mah 18650 battery have been It has become a consensus among academia and industry.

　　Compared with traditional lithium batteries, the difference between 3.7v 3000mah 18650 battery is that the electrolyte is solidified. All-3.7v 3000mah 18650 battery are the same as traditional lithium batteries, including each battery unit (positive electrode, negative electrode, electrolyte), and their working principle is the same as that of traditional lithium batteries. According to reports, the first production line currently in mass production mainly produces high-energy-density solid-state lithium-ion batteries, large-capacity flexible solid-state batteries, and high-safety solid-state batteries. Another 6 production lines are under preparation, striving to meet the needs of car companies in 2020. demand for power batteries.

　　Advantages of all-solid-state lithium secondary batteries

　　Solid-state batteries are a type of battery technology. Unlike the lithium-ion batteries and lithium-ion polymer batteries commonly used today, a solid-state battery is a battery that uses solid electrodes and solid electrolytes. 3.7v 3000mah 18650 battery have outstanding performance advantages in terms of safety and high energy density. On the basis of inheriting the advantages of traditional lithium batteries, 3.7v 3000mah 18650 battery have made great progress in safety, energy density and other aspects.

　　Compared with commercial lithium-ion batteries, the most outstanding advantage of all-3.7v 3000mah 18650 battery is safety. Solid-state electrolytes are non-flammable, non-corrosive, non-volatile, and have no leakage problems, so all-solid-state batteries are inherently safe and have a longer service life.

　　Energy density is the product of specific capacity and battery voltage. Solid electrolytes generally have a wider electrochemical window than organic electrolytes, which is conducive to further broadening the voltage range of the battery. In terms of developing large-capacity electrodes, solid electrolytes can prevent the growth of lithium dendrites, thus fundamentally avoiding battery short circuits and making it possible for metallic lithium to be used as negative electrodes.

　　All-solid-state lithium secondary batteries are expected to achieve higher power density. The solid electrolyte uses lithium ions as a single carrier and does not have concentration polarization. Therefore, it can operate under high current conditions and increase the power density of the battery.

　　The inherent high and low temperature stability of solid-state materials provides the basic guarantee for all-3.7v 3000mah 18650 battery to operate in a wider temperature range.

　　The solid electrolyte solves the problem of the solid electrolyte interface film (SEI) and the lithium dendrite phenomenon, greatly improving the cycleability and service life of lithium batteries.

　　Solid-state batteries also have the characteristics of compact structure, adjustable scale, and high design flexibility. Solid-state batteries can be designed as thin-film batteries with a thickness of only a few microns, used to drive microelectronic devices, or they can be made into macro-sized batteries, used to drive electric vehicles, grid energy storage and other fields. In these applications, the shape of the battery It can also be designed according to specific needs.

　　The mass production of 3.7v 3000mah 18650 battery will help promote the development of lithium batteries towards miniaturization, miniaturization and flexibility, and redefine the form of lithium batteries, breaking the traditional square or cylindrical form, and can be made into components of any shape in the future , improve space usage efficiency.

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