How are lithium ion batteries of all forms manufactured? Which sort of industrial chemicals are used

Lithium-ion batteries are manufactured through a series of steps including the production of battery electrodes and assembly of the battery cells.

Battery electrode manufacturing involves the preparation of active materials, such as lithium cobalt oxide or lithium iron phosphate, and the application of these materials onto a metallic current collector, such as aluminum or copper. This is typically done through a process called "coating", where a slurry of the active material is spread onto the current collector and dried to form the electrode.


Industrial chemicals used in the production of battery electrodes include solvents, such as N-methyl-2-pyrrolidone (NMP), to create the slurry, as well as binders, such as polyvinylidene fluoride (PVDF), to hold the active material in place.

After the electrodes are manufactured, they are then assembled into battery cells with a separator and electrolyte. The cells are then packaged and protected with a casing to form the finished battery product.

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