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In recent years, lithium batteries have become more widely used in our lives. Lithium batteries can be roughly classified into three types depending on the application field: consumer, power, and energy storage.

The application of lithium batteries in the consumer field dates back to the rechargeable lithium battery developed by Sony Corporation of Japan in 1990, and then the lithium battery is used for commercialization and is popularized in everyone's daily life. Lithium-ion batteries on the market now belong to secondary batteries, which can be recharged and widely used in mobile phones, notebook computers, Bluetooth headsets, etc. The life cycle of such consumer lithium batteries does not need to be very good, generally it will take 2 or 3 years. Renewal, but because it is a portable product, it is a necessary condition for the development of thin and light, so the size and capacity of the battery are required to be high.

Laptop with lithium battery

Before 2015, consumer lithium batteries dominated the market. However, with the development of electric vehicles, by 2016, power-type lithium batteries quickly occupied the market, and the proportion exceeded that of consumer lithium batteries. Power lithium batteries are mainly used for transportation vehicles. In addition to electric bicycles, electric vehicles and electric buses, they are also used in forklifts, airport tractors, etc. In recent years, even countries have developed lithium battery aircraft and successfully tested.