文献类型：期刊文献

英文题名：Enhancing lithium-sulfur battery performance: Development of C12H8O4S12Li4 solid interfacial conducting layer through two-electrode in situ deposition

作者：Shao, Jiayi Ji, Shan He, Yudong Wang, Hui Ma, Xianguo Wang, Xuyun Wang, Rongfang

第一作者：Shao, Jiayi

通信作者：Wang, H[1];Wang, RF[1];Ji, S[2]

机构：[1]Qingdao Univ Sci & Technol, Coll Chem Engn, Qingdao 266042, Peoples R China;[2]Jiaxing Univ, Coll Biol Chem Sci & Engn, Jiaxing 314001, Peoples R China;[3]Guizhou Inst Technol, Sch Chem Engn, Guiyang 550003, Peoples R China

第一机构：Qingdao Univ Sci & Technol, Coll Chem Engn, Qingdao 266042, Peoples R China

通信机构：corresponding author), Qingdao Univ Sci & Technol, Coll Chem Engn, Qingdao 266042, Peoples R China;corresponding author), Jiaxing Univ, Coll Biol Chem Sci & Engn, Jiaxing 314001, Peoples R China.

年份：2025

卷号：523

外文期刊名：CHEMICAL ENGINEERING JOURNAL

收录：;EI(收录号：20253819195646);Scopus(收录号：2-s2.0-105016234939);WOS:【SCI-EXPANDED(收录号:WOS:001579301300038)】；

基金：The authors would like to express their gratitude for the financial support received from Natural Science Foundation of Guizhou Province (Grants No. QKHJC-ZK [2023] Key 019) , Top Talent Project of Guizhou Provincial Department of Education (Grant No. QJJ [2022] 084) , and Key Laboratory of Energy Chemistry in Guizhou universities (Grants No. QJJ [2022] 035) .

语种：英文

外文关键词：In-situ deposition; Solid electrolyte interphase on anode; Solid electrolyte interphase on cathode; Conductivity; lithium-sulfur batteries

摘要：The composition and structure of the cathode and anode interfaces in lithium-sulfur batteries play a crucial role in influencing interfacial reactions and electrode matrix stability. In this study, we introduced an innovative approach using p-benzoquinone (PBQ) as a precursor, which undergoes a nucleophilic reaction with polysulfides to form a conductive cyclic polysulfide solid, C12H8O4S12Li4, at the electrode interfaces in situ. At the sulfur cathode interface, the CEI layer containing C12H8O4S12Li4 (with conductivity sigma =1.7 x 10-3 S m- 1) not only acts as a conductive layer to effectively mitigate the deposition of the insulating product Li2S on the cathode surface, thereby enhancing the utilization of active sulfur, but also accelerates electron transfer, promotes the redox reactions of sulfur species, and significantly suppresses the "shuttle effect" of polysulfides. On the lithium anode interface, the SEI layer incorporating C12H8O4S12Li4 provides uniform coverage of the anode surface. This coverage effectively suppresses lithium dendrite formation and enables rapid Li+ transport. These interfacial modifications resulted in enhanced battery performance, with the PBQ-modified lithium-sulfur battery demonstrating stable cycling over 600 cycles at 1C rate. Notably, the active material utilization increased by 7 %-12 % compared to the control electrolyte system. This study provides valuable insights and experimental evidence supporting the development of quinone-derived cyclic sulfides as effective interfacial regulation materials in lithium-sulfur batteries.