Nickel holds the secret to making high-performance Li-ion batteries.
A team of researchers at the East China University of Science and Technology has figured out a way to make Li-ion batteries cheaper and better. They have developed a unique strategy that allows them to increase the stability of nickel-rich cathode in Li-ion batteries.
Li-ion batteries are made up of four primary components; cathode, electrolyte, separator, and anode. The cathode and anode in the with special materials to enhance their stability, conductivity, and energy density. It is believed that coating the cathode with a nickel-rich layer could give rise to more advanced high-energy Li-ion batteries.and they will cost lesser than the currently used Li-ion batteries. However, nickel-coated cathodes are highly unstable and lead to a significant decrease in battery capacity in the long run.
“At this point in time, the use of lithium-ion batteries is mainly constrained by the limited specific capacity of their cathode material. Nickel-rich layered cathodes always suffer from rapid capacity fading because of the structural and interfacial instability that occurs with the long-term operation,” the researchers
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