Lithium Ion Batteries
In lithium-ion batteries, the chemical reactions occur between the lithium ions (Li+) and the electrode materials during charging and discharging cycles. The battery typically consists of a lithium-containing compound as the anode material, a lithium-containing compound as the cathode material, and an electrolyte solution that allows the movement of lithium ions between the electrodes.
The chemical reaction at the anode during charging can be represented as follows:
Anode (Discharging): LiC6→Li++ C6+ e−
At the same time, during charging, lithium ions move from the electrolyte to the cathode material, which typically consists of lithium metal oxides such as lithium cobalt oxide (LiCoO2), lithium iron phosphate (LiFePO4), or lithium manganese oxide (LiMn2O4).
The chemical reaction at the cathode during charging can be represented as follows:
Cathode (Charging): LiCoO2 + Li++ e−→LiCoO2
The chemical reactions in lithium-ion batteries involve the reversible intercalation of lithium ions into the crystal lattice of electrode materials during charging and discharging cycles, enabling the storage and release of electrical energy.
Applications of Chemistry in Battery
A chemical cell, or a battery, is a device that converts chemical energy into electrical energy through electrochemical reactions. Some of the examples of these batteries are alkaline batteries, lithium ion batteries, lead acid batteries, etc. The functioning of these batteries are based on various chemical reactions. In this article, we will discuss the application of chemistry in batteries, i.e., how chemistry is involved in the functioning of these batteries.
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