2018
DOI: 10.1016/j.nanoen.2018.02.016
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A facile Schiff base chemical approach: towards molecular-scale engineering of N-C interface for high performance lithium-sulfur batteries

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Cited by 36 publications
(18 citation statements)
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“…The BOC@CNT/S cathode exhibits the best electrochemical performances in terms of large reversible capacity and rate capability among various boron/oxygen doped carbons (Table S3, Supporting Information) and these electrochemical properties are also better than previous COF‐derived N‐doped porous carbon . The synergistic effect of CNT and boron/oxygen codoped porous carbon can explain the outstanding electrochemical performance of the BOC@CNT/S cathode.…”
Section: Resultsmentioning
confidence: 92%
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“…The BOC@CNT/S cathode exhibits the best electrochemical performances in terms of large reversible capacity and rate capability among various boron/oxygen doped carbons (Table S3, Supporting Information) and these electrochemical properties are also better than previous COF‐derived N‐doped porous carbon . The synergistic effect of CNT and boron/oxygen codoped porous carbon can explain the outstanding electrochemical performance of the BOC@CNT/S cathode.…”
Section: Resultsmentioning
confidence: 92%
“…Among them, N‐doped porous carbons have been extensively studied and proven to effectively enhance the electrochemical performance of Li–S batteries . Recently, Xiao et al reported a type of nitrogen‐rich porous carbon by an interesting strategy based on COF precursor for Li–S batteries . The composite shows long cycling performance with a high specific capacity of 729 mA h g −1 after 500 cycles at 1 C because COF‐derived N‐doped carbon with ordered pore structure can increase electronic conductivity and shorten pathway for ions and electrons.…”
Section: Introductionmentioning
confidence: 99%
“…[35][36][37][38][39][40][41] Furthermore, the last fitting peak appeared in different locations. [26,51] Moreover, the obvious peaks around 1064 and 1401 cm À 1 in FC0 and FCN are assigned to the CÀ C stretching bands [52][53][54] and in plane vibration of CÀ H, [55][56][57][58][59] respectively. [35,38] And the one located at 285.6 eV in FCN was indexed to CÀ O/CÀ N bonds, which due to sp 2 C atoms bonded to N. [36,42,43] Similar to the characterization results of C1s, the signal about N was detected only in FCN, which at binding energy of 400.1 eV and corresponding to pyrrolic N (nitrogen in a five-atom heterocyclic ring).…”
Section: Introductionmentioning
confidence: 99%
“…The remarkable peak at 398.9 eV can be attributed to pyridine-like nitrogen, [11] provingt hat the axial pyridine groups were successfully anchored on the surfaceo fP y ÀCNTs-O. The small shouldera ta bout 401.3 eV can be assigned to quaternary ammonium-like nitrogen, [16] which could be from as mall amount of protonated pyridine (PyH + )r emaining after the post-treatment of the diazo reaction. To confirmo ur assump- ChemSusChem 2019ChemSusChem , 12,1724ChemSusChem -1731 www.chemsuschem.org tion, the PyÀCNTs-O sample was intentionally protonated with hydrochloric acid and then subjected to XPS.T he XPS result shows that the intensity of the peak corresponding to pyridine at 398.9 eV decreases, but the intensity of the peak at about 401.3 eV increases significantly ( Figure S6).…”
Section: Characterizationo Fc Atalystsmentioning
confidence: 96%