CR1625 battery.The role and research of lithium-ion batteries

　　The role and research of lithium-ion batteries provided by electronic enthusiasts. The role and research of lithium-ion batteries. Lithium-ion batteries currently include two types: liquid lithium-ion batteries (LIB) and polymer lithium-ion batteries (PLB). Among them, liquid lithium-ion battery refers to Li + embedded

　　The role and research of lithium-ion batteries Lithium-ion batteries are currently divided into two categories: liquid lithium-ion batteries (LIB) and polymer lithium-ion batteries (pLB). Among them, liquid lithium-ion batteries refer to secondary batteries in which Li+ embedded compounds are the positive and negative electrodes. The positive electrode uses lithium compounds LiCoO2 or LiMn2O4, and the negative electrode uses lithium-carbon interlayer compounds. Lithium-ion batteries are an ideal energy source for development in the 21st century due to their high operating voltage, small size, light weight, high energy, no memory effect, no pollution, small self-discharge, and long cycle life.

　　In 1992, Sony successfully developed lithium-ion batteries. Its practicality has greatly reduced the weight and volume of people's portable electronic devices such as mobile phones and laptop computers. The use time is greatly extended. Since lithium-ion batteries do not contain heavy metal chromium, they greatly reduce environmental pollution compared with nickel-chromium batteries.

　　In order to develop varieties with better performance, various materials have been studied. The result is an unprecedented product. For example, lithium sulfur dioxide batteries and lithium thionyl chloride batteries are very distinctive. Their positive active material is also the solvent of the electrolyte. This structure only appears in non-aqueous electrochemical systems. Therefore, the research on lithium batteries also promotes the development of electrochemical theory of non-aqueous systems. In addition to using various non-aqueous solvents, research on polymer thin film batteries has also been conducted.

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