What are the main cathode materials of lithium battery?

Lithium batteries have excellent performance. Common secondary batteries include lithium batteries, lead-acid batteries, nickel-cadmium batteries and nickel-metal hydride batteries. Compared with other secondary batteries, lithium batteries have higher energy density and longer cycle life, energy density can reach 100-200wh/kg, cycle life is more than 1000 times, much higher than other secondary batteries.

In addition, lithium batteries also have the advantages of fast charging, high power discharge, and good environmental performance.

The cathode materials of lithium battery mainly include lithium cobalt acid, lithium iron phosphate, ternary materials, etc. According to the different cathode materials of lithium battery can be divided into three categories: lithium cobalt acid battery stable charge and discharge, but poor cycle life.

Lithium cobaltate is a layered oxide with an average energy density of 180-240wh/kg and a cycle life of 500-1000 times. It has stable charge-discharge and good high and low temperature performance.

But lithium cobaltate batteries, which suffer from high cobalt prices and poor cycle life, are commonly used in consumer electronics, including mobile phones, laptops and other portable electronic devices.

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