Green Energy Experts Solution Private Limited

A Lithium-ion cell (or Li-ion cell) is a type of rechargeable battery commonly used in portable electronics, electric vehicles (EVs), and renewable energy storage systems due to its high energy density, low self-discharge, and relatively long cycle life.

A typical Li-ion cell has three main components:

1. Anode (Negative Electrode):

   • Usually made of graphite.

   • Stores lithium ions during charging.

2. Cathode (Positive Electrode):

   • Made of a lithium metal oxide, such as:

     • Lithium Cobalt Oxide (LiCoO₂)

     • Lithium Iron Phosphate (LiFePO₄)

     • Lithium Nickel Manganese Cobalt Oxide (NMC)

3. Electrolyte:

   • A lithium salt (like LiPF₆) dissolved in an organic solvent.

   • Allows lithium ions to move between the anode and cathode.

4. Separator:

   • A thin, porous membrane that prevents physical contact between the anode and cathode while allowing ion flow.

• During Discharge (Powering a Device):

  • Lithium ions move from the anode to the cathode through the electrolyte.

  • Electrons flow through the external circuit, powering the device.

• During Charging:

  • An external power source forces lithium ions to move from the cathode back to the anode.

  • Electrons also flow back into the anode via the external circuit.

• High energy density

• Lightweight and compact

• Low self-discharge

• No memory effect

• Long cycle life