Enhancement of the Electrochemical Performance of LiNi_1/3Co_1/3Mn_1/3O₂ Cathode Material by Double-Layer Coating with Graphene Oxide and SnO₂ for Lithium-Ion Batteries

Table 2

The explanation of symbols.

Symbol	Explanation	Symbol	Explanation
	The gas constant 8.134 Jmol^−1 K^−1		The charger transfer resistance
	The absolute temperature 298.15 K		Warburg factor
	The surface area of the electrode		The solution resistance
	The number of elections per Molecule during oxidization		The concentration of lithium ions in the material
	The Faraday constant 96486 C mol^−1		The angular frequency