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Why is graphite used in the production of lithium-ion batteries?
Views: 64 Update date: Nov 14,2022

Graphite in battery plays an increasingly significant role as companies across the world strive to develop more lithium-ion batteries to power anything from electric automobiles to grid-scale energy storage plants.

 

Scope Of Graphite Lithium ion Battery

Graphite lithium-ion batteries have modernised the energy sector due to their lesser weight, longer lasting times, and superior performance in harsh environments compared to nickel-cadmium batteries. The principal material used for one of the two electrodes is known as the anode, a crucial component of a graphite lithium-ion battery.

 

Although a variety of materials can be used for the cathode, graphite is preferred for the majority of anodes due to its availability, affordability, and extended cycle life.

 

Why Is Graphite Used In Lithium ion Batteries?

Graphite in battery is used as an anode material in lithium ion batteries due to its low cost and high energy density. Graphite anodes regulate the flow of lithium ions while charging and discharging.

 

Superior thermal and electrical conductivity are the distinctive characteristics of graphite. In a graphite lithium-ion battery, graphite makes up just under 50% of the battery minerals. By reducing the surface area, the spheronization process can load more graphite into a smaller volume. This results in a  better anode product for a battery that is more compact, dense, and effective. Additionally, it speeds up how quickly the cell can be charged and discharged.

 

The gaps inside graphite's crystal lattice are ideal for housing Li-ions, which are needed to store energy in a charged battery, making graphite particularly appropriate for Li-ion batteries.

 

Spherical graphite consumption is anticipated to rise quickly along with the expected expansion in demand for lithium-ion batteries for industries like electric automobiles. The material used as an anode in lithium-ion batteries is spherical graphite, sometimes referred to as battery-grade graphite. Because of its unique electrical conductivity, spherical graphite is an essential ingredient in the production of anodes.

 

Traditional applications for graphite are moderately expanding in industries including lubricants, foundries, and refractories. But this is being swamped by new demand for use in the electric vehicle as graphite lithium ion battery.




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