The new coating may have a significant impact on lithium batteries

The new coating developed by Agung National Laboratory provides an additional protective layer for the battery cathode.
making better lithium-ion batteries involves addressing a variety of factors simultaneously, from maintaining the battery's cathode electrical and ion conductivity to ensuring that the battery remains safe after multiple cycles.
In a new discovery, scientists at the U.S. Department of Energy's (DOE) Agung National Laboratory have developed a new cathode coating using oxidizing chemical vapor deposition technology that could help solve these and several other potential problems with lithium-ion

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researchers used Argonne's groundbreaking nickel-manganese cobalt (NMC) cathode material particles and packaged them in a sulfur-containing polymer, PEDOT. When the battery is charged and discharged, the polymer provides a layer of protection against the battery electrolyte.
In addition layer shielding
unlike traditional coatings, which protect only the outer surface of micron-grade cathode particles and make the interior easy to crack, the PEDOT coating has the ability to penetrate inside cathode particles, adding an additional shield.
addition, although PEDOT prevents chemical interactions between batteries and electrolytes, it does allow the necessary transfer of lithium ions and electrons required by batteries to function.