 This research proposes a new method for creating monolayer MOS2, which has been shown to have excellent properties for use in lithium ion batteries. The method involves replacing some of the molybdenum atoms in the monolayer with cobalt atoms, which creates a space-charge region that allows for faster ion transport. Additionally, the cobalt atoms also reduce the band gap and increase the lithium ion diffusion energy barrier, resulting in improved performance. This article was authored by Mei Xinghan, Yong Biao Mu, Jin Songhua, and others.