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What is a lithium battery?

Date of Issue:2020-07-01 Click:

"Lithium battery" is a type of battery that uses lithium metal or lithium alloy as the positive/negative electrode material and uses non-aqueous electrolyte solutions. Lithium metal batteries were first proposed and studied by Gilbert N. Lewis in 1912. In the 1970s, MS Whittingham Proposed and began to study lithium-ion batteries. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have become the mainstream.

Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium ion batteries. Lithium-ion batteries do not contain metallic lithium and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and its safety, specific capacity, self-discharge rate, and performance-price ratio are better than lithium-ion batteries. Due to its own high-tech requirements, companies in only a few countries are producing such lithium metal batteries.

Lithium batteries were early used in pacemakers. The self-discharge rate of lithium batteries is extremely low, and the discharge voltage is gentle, so that the pacemaker implanted in the human body can operate for a long time without recharging. Lithium batteries generally have a nominal voltage higher than 3.0 volts and are more suitable for integrated circuit power supplies. Manganese dioxide batteries are widely used in calculators, digital cameras, and watches.

In order to develop varieties with better performance, people have conducted research on various materials, thereby manufacturing unprecedented products.


Sony successfully developed lithium-ion batteries in 1992. Its practicality has greatly reduced the weight and volume of portable electronic devices such as mobile phones, notebooks, and calculators.

 


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