文献类型：期刊文献

英文题名：Single Atom-Particle Tandem Catalysis Enables Enhanced Desolvation Kinetics for Low-Temperature Li-S Batteries

作者：Lin, Yuhang[1];Wang, Jian[2,3,4,5];Zhang, Xin[1];Cheng, Xiaomin[2,3];Zhuang, Quan[6];Zhang, Jing[7];Guan, Qinghua[2,3];Wang, Yanli[1];Shen, Chunyin[1];Lin, Hongzhen[2,3];Zhan, Liang[1];Ling, Licheng[1];Zhang, Yongzheng[1]

机构：[1]East China Univ Sci & Technol, State Key Lab Green Chem Engn & Ind Catalysis, Key Lab Specially Funct Polymer Mat & Related Tech, Minist Educ,Shanghai Key Lab Multiphase Mat Chem E, 130 Meilong Rd, Shanghai 200237, Peoples R China;[2]Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, I Lab, Suzhou 215123, Jiangsu, Peoples R China;[3]Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, CAS Key Lab Nanophoton Mat & Device, Suzhou 215123, Jiangsu, Peoples R China;[4]Helmholtz Inst Ulm HIU, D-89081 Ulm, Germany;[5]Karlsruhe Inst Technol KIT, D-76021 Karlsruhe, Germany;[6]Inner Mongolia Minzu Univ, Nano Innovat Inst NII, Inner Mongolia Key Lab Carbon Nanomat, Tongliao 028000, Peoples R China;[7]Xian Univ Technol, Sch Mat Sci & Engn, Xian 710048, Peoples R China

年份：2025

卷号：35

期号：38

外文期刊名：ADVANCED FUNCTIONAL MATERIALS

收录：;EI(收录号：20251618247757);WOS:【SCI-EXPANDED(收录号:WOS:001466620900001)】；

基金：This work was financially supported by the National Natural Science Foundation of China (No. 52372045, 22075081, 21972164, 22279161, 12264038, 22309144 and U1710252), National Key R&D Program of China (2021YFA1201503), the Natural Science Foundation of Jiangsu Province (BK. 20210130), the Fundamental Research Funds for the Central Universities (JKD01231701), China Postdoctoral Science Foundation (No. 2023M731084; 2024M762318), Shanghai Sailing Program of China (23YF1408900); and Opening funding from Key Laboratory of Engineering Dielectrics and Its Application (Harbin University of Science and Technology) (No. KFM202507, Ministry of Education). J.W. also acknowledges the funding provided by the Alexander von Humboldt Foundation and the basic funding of the Helmholtz Association. Y.Z. thanks the Shanghai Super Postdoctoral Incentive Program. The authors thank the Research Center of Analysis and Test of East China University of Science and Technology for the assistance with the characterization. The authors also thank the technical support from Nano-X, Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences.Open access funding enabled and organized by Projekt DEAL.

语种：英文

外文关键词：desolvation behavior; lithium-sulfur batteries; single-atom catalysts; sulfur conversions; tandem catalysis

摘要：The commercial implementation of lithium-sulfur (Li-S) batteries is plagued by the sluggish kinetics of interfacial Li(solvent)x+ desolvation and successive redox conversions of sulfur species, exhibiting high tandem barriers. Herein, the tandem catalyst consisted of single Fe atom and Fe3C nanoparticles on porous carbon sheet (SAPTC@PCS) is initially proposed and developed. As illustrated in theoretical simulation, the neighboring Fe3C further tunes the electronic density and affects related coordination structure of atomically distributed iron for reinforcing catalytic efficiency. The as-prepared SAPTC@PCS facilitates the dissociation of Li(solvent)x+ to release more isolated Li+ to participate in the subsequent polysulfide redox conversions by decreasing the desolvation/diffusion barriers, as revealed by in-situ Raman, time-of-flight second ion mass spectroscopy, electronic microscope and X-ray measurements. Consequently, the cell with SAPTC@PCS delivers a high capacity-retention over 1000 cycles and high rate up to 3 C. Impressively, under the practical mass loading of 6 mg cm-2, the cell stabilizes the capacity of 4.59 mAh cm-2 after 90 cycles, and a desirable capacity of 804.8 mAh g-1 after 100 cycles is achieved even being exposed to low temperature of 0 degrees C, demonstrating the feasibility of single atom-particle catalysts for tandem catalysis in Li-S batteries.