To mitigate self-discharge of lithium-sulfur batteries by optimizing ionic liquid electrolytes was written by Wang, Lina;Liu, Jingyuan;Yuan, Shouyi;Wang, Yonggang;Xia, Yongyao. And the article was included in Energy & Environmental Science in 2016.Electric Literature of C11H20F6N2O4S2 This article mentions the following:
Li-S batteries generally suffer from severe self-discharge when resting due to an internal polysulfide shuttle effect. Soluble long-chain polysulfide species (Li2Sx, 4 ≤ x ≤ 8) would continue to dissolve and migrate to the neg. side to react with metallic Li. Here, we demonstrate pronounced suppression of polysulfide shuttle using an ionic liquid of the N-methyl-N-propylpiperidinium bis(trifluoromethanesulfonyl)imide (PP13TFSI)-based electrolyte. When working in combination with LiNO3, zero self-discharge can be achieved to rest a full-charged Li-S cell for two days. The fascinating study clearly demonstrates that a promising practical Li-S battery with low self-discharge depends on both improvements on polysulfide diffusion control and Li-metal stabilization. In the experiment, the researchers used many compounds, for example, 1-Methyl-1-propylpiperidin-1-ium bis((trifluoromethyl)sulfonyl)amide (cas: 608140-12-1Electric Literature of C11H20F6N2O4S2).
1-Methyl-1-propylpiperidin-1-ium bis((trifluoromethyl)sulfonyl)amide (cas: 608140-12-1) belongs to piperidine derivatives. Piperidine is a metabolite of cadaverine, a polyamine found in the human intestine. Some chemotherapeutic agents have piperidine moiety within their structure, foremost among them, vinblastine and raloxifene.Electric Literature of C11H20F6N2O4S2
Referemce:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem