How do lithium-ion batteries work? - Kingbo Power Technology

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A lithium-ion battery consists of a negative electrode, a positive electrode, and an electrolyte. The two electrodes are separated by a porous. Each electrode consists of particles that lithium can be stored in and a porous polymer binder which holds these particles together and ensures electrical contact between the particles. Lithium-Ion battery works in similar to normal batteries. Principle is the same as exchange ions and flow of electrons. 

Working
There is an anode and cathode in a lithium ion battery. At present graphite (carbon) used as anode. The reason behind the use of graphite is due to its internal structure.

While charging, Lithium-ion move from Lithium based cathode to anode through the electrolyte. At Anode, the Ions place themselves between two Graphite layers. 
Depending on materials choices, the voltage, energy density, life, and safety of a lithium-ion battery can change dramatically. 

Charging process
While Charging, the positive charged lithium ions move from cathode to anode through the separators and the current flow from anode to cathode. In this process the energy is stored in the battery.
Discharging process

While discharging,the process is reversed, the positive charged ions flow from anode to cathode through battery separators while the charge move from cathode to anode. In this process the energy is released from the battery.

For more: Kingbo Power Technology
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