Time：Feb 03, 2023 Views：882
Lithium -ion batteries include liquid lithium -ion batteries (LIB) and polymer lithium -ion batteries (PLB). Among them, liquid lithium -ion batteries refer to secondary batteries that are embedded and negative. The positive electrode adopts lithium compounds-lithium cobaltate and lithium manganate, and the negative electrode uses lithium-carbon layer interductive compounds. Lithium -ion batteries Due to high working voltage, small volume, light quality, high energy, no memory effect, non -polluting, small self -discharge, and long cycle life, it is an ideal energy carrier for development in the 21st century.
Sony successfully developed a lithium -ion battery in 1992. Its practicality has greatly reduced the weight and volume of portable electronic devices such as mobile phones, laptops. The use time is greatly extended. Because lithium ion batteries do not contain heavy metal cadmium, compared with nickel -cadmium batteries, it greatly reduces pollution to the environment.
The pollution of lithium batteries is still relatively small
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