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　　Rechargeable batteries have attracted great attention and attention due to their high energy density, long cycle life, and wide operating temperature range. The average price of each cycle battery is not high. Advantages and Features of Lithium-Ion Batteries. Compared with other high-energy secondary batteries (such as NI-CD batteries, NI-MH batteries, etc.), lithium batteries have obvious characteristics. (1) High working voltage. Using carbon-based compounds (such as high-purity graphite or petroleum coke) instead of lithium metal can reduce the battery voltage. But because they have low lithium-ion batteries, they minimize operating voltage damage. Additionally, choosing the right lithium-ion chemistry for the rechargeable battery stage and choosing the right lithium-ion battery electrolyte management system allows the lithium-ion battery to have a higher operating frequency (-4V), well beyond the solution management system. (2) Large specific capacity. Although replacing lithium metal with carbon materials can reduce the specific capacity of the raw material, in order to ensure that the battery has a certain cycle life, the negative lithium metal is generally more than three times larger, making the specific capacity of lithium ions relative to the specific capacity. The reduction is not too big and the volume is not reduced. (3) High energy density

　　High operating frequency and volume ratio determine the specific energy of secondary lithium. Compared with Ni-CD batteries and Ni-MH batteries, the secondary lithium ion ratio is the largest and has broad prospects.

　　(4) Good safety factor and long life cycle The reason for using lithium metal as the anode of rechargeable batteries is that the structure of the lithium battery changes through multiple charging, resulting in porous structural twins. As the temperature rises, lithium-ion batteries undergo strong chemical reactions. To prevent lithium metal from being stored in a rechargeable battery, the battery should be run at voltage while charging. During the entire process of battery charging, charging and discharging, there is no structural change in the intercalation and embedding of lithium-ion batteries on the anode and anodizing. In 1989 and 1991, lithium ion was cleared by the Department for Transport and the Hazardous Chemicals Unit of the IAIT (Internal Aviation and Transport Institute). (5) The lithium-ion battery electrolyte management system with small self-discharge rate uses lithium-ion batteries, and the lithium-ion embedded carbon raw material system is unstable. During the battery charging process, the recycling of lithium battery electrolytes will produce a layer of solid electrolyte solution interphase (SEI) in the carbon negative surface layer, making lithium-ion batteries based on electronic devices rather than electronic devices, allowing different charging of active materials in the battery The state is relatively stable, making the lithium battery life short. (6) Eliminate zero pollution Lithium-ion batteries do not contain toxic substances such as lead, blessing, mercury, etc. Because rechargeable batteries must be well sealed, they emit very little vapor during application and do not pollute the environment. Organic solvents used to dissolve adhesives throughout production and processing are also guaranteed to be purchased in full. Since 1995, large and medium-sized manufacturing companies have purchased lithium ions and their raw materials, such as metal material drilling, recycling systems, etc. In addition, Sony's lithium-ion rating reached 014001 International Air Quality Standard 71O(7) in 1995. High current efficiency. Unlike all secondary batteries in solution management systems, lithium-ion batteries are not prone to vapor generation during charging, and current efficiency is close to 100%. .

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