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. 2020 Oct 29;13:13. doi: 10.1007/s40820-020-00522-1

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© The Author(s) 2020

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 23 — a Cycling performance of the heteroatom-doped-C₃N₄/C-modified separators at 0.5 A g⁻¹. b Schematic illustration of the M-C₃N₄/C-modified separator to suppress the shuttle of polysulfides and expedite conversion reaction kinetics of polysulfides. Reproduced with permission from Ref. [69]. c Schematic of cell configuration with a laminated structure g-C₃N₄/GS cathode interlayer. d Charge/discharge profiles for the S/KB@C₃N₄/GS cathode at various scan rates. Reproduced with permission from Ref. [137]. Copyright permissions from Elsevier and Wiley–VCH. (Color figure online)