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Nowadays, Lithium-ion batteries are incredibly popular. You can find them in laptops, PDAs, cell phones and i Pods. They are so popular because, they are the most energetic rechargeable batteries. Lithium-ion batteries power the lives of millions of people each day. In this blog, we are learning about the working of Lithium-ion battery.

The rechargeable lithium-ion battery is made of one or more power-generating compartments called cells. Each cell has essentially three components.- positive electrode, negative electrode and electrolyte.

A positive electrode connects to the battery's positive or + terminal. A negative electrode connects to the negative or − terminal. And a chemical called an electrolyte in between them.

The electrolyte carries positively charged lithium ions from the anode to the cathode. The movement of the lithium ions creates free electrons in the anode which creates a charge at the positive current collector.  The electrical current then flows from the current collector through a device being powered to the negative current collector. The separator blocks the flow of electrons inside the battery.The positive electrode is typically made from a chemical compound called lithium-cobalt oxide (LiCoO2) or lithium iron phosphate (LiFePO4). The negative electrode is generally made from carbon (graphite).The electrolyte varies from one type of battery to another.

While the battery is discharging and providing an electric current, the anode releases lithium ions to the cathode, generating a flow of electrons from one side to the other. When plugging in the device, the opposite reaction happens, the cathode releases lithium ions and anode receives them. This is how the Lithium-ion battery works.

For more detailed working: All charge and discharge reactions are animated. Explore the website for a very good understanding of the lithium ion cell electrode reactions. Best animation of Li-ion available on the net.

https://e-lyte-innovations.de/working-principle-lithium-ion-battery/

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A mechanical engineer, AI and ML scientist and a zealous technology enthusiast, who is passionate to learn and share knowledge in the domain of engineering and technology.