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Porous Organic Polymers for Polysulfide Trapping in Lithium–Sulfur Batteries
Author(s) -
Cheng Zhibin,
Pan Hui,
Zhong Hong,
Xiao Zhubing,
Li Xiaoju,
Wang Ruihu
Publication year - 2018
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.201707597
Subject(s) - polysulfide , materials science , faraday efficiency , energy storage , nanotechnology , sulfur , carbon fibers , lithium (medication) , polymer , electrochemistry , energy density , porosity , chemical engineering , electrode , engineering physics , chemistry , electrolyte , composite material , medicine , power (physics) , physics , quantum mechanics , composite number , engineering , metallurgy , endocrinology
Abstract Lithium–sulfur (Li–S) batteries have attracted considerable attentions in electronic energy storage and conversion because of their high theoretical energy density and cost effectiveness. The rapid capacity degradation, mainly caused by the notorious shuttle effect of polysulfides (PSs), remains a great challenge preventing practical application. Porous organic polymers (POPs) are one type of promising carbon materials to confine PSs within the cathode region. Here, the research progress on POPs and POPs‐derived carbon materials in Li–S batteries is summarized, and the importance of pore surface chemistry in uniform distribution of sulfur and effective trapping of PSs is highlighted. POPs serve as promising sulfur host materials, interlayers, and separators in Li–S batteries. Their significance and innovation, especially new synthetic methods for promoting sulfur content, reversible capacity, Coulombic efficiency and cycling stability, have been demonstrated. The perspectives and critical challenges that need to be addressed for POPs‐based Li–S batteries are also discussed. Some attractive electrode materials and concepts based on POPs have been proposed to improve energy density and electrochemical performance, which are anticipated to shed some light on future development of POPs in advanced Li–S batteries.

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