2020
DOI: 10.1002/anie.202005840
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Covalent Assembly of MoS2 Nanosheets with SnS Nanodots as Linkages for Lithium/Sodium‐Ion Batteries

Abstract: Weak van der Waals interactions between interlayers of two‐dimensional layered materials result in disabled across‐interlayer electron transfer and poor layered structural stability, seriously deteriorating their performance in energy applications. Herein, we propose a novel covalent assembly strategy for MoS2 nanosheets to realize unique MoS2/SnS hollow superassemblies (HSs) by using SnS nanodots as covalent linkages. The covalent assembly based on all‐inorganic and carbon‐free concept enables effective acros… Show more

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Cited by 141 publications
(78 citation statements)
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“…To further reveal the effect of interfacial behavior on reaction kinetics, more DFT calculations were conducted. [ 35 ] As shown in Figure 8c, the K + adsorption energy of CoSe 2 (−0.55 eV) and FeSe 2 (−1.21 eV) were calculated to be far less than that of CoSe 2 /FeSe 2 interface (−1.85 eV). In order to verify this result, electrochemical quartz crystal microbalance (EQCM) was experimentally utilized to detect the ion adsorption on heterostructures in neat ionic liquid.…”
Section: Resultsmentioning
confidence: 99%
“…To further reveal the effect of interfacial behavior on reaction kinetics, more DFT calculations were conducted. [ 35 ] As shown in Figure 8c, the K + adsorption energy of CoSe 2 (−0.55 eV) and FeSe 2 (−1.21 eV) were calculated to be far less than that of CoSe 2 /FeSe 2 interface (−1.85 eV). In order to verify this result, electrochemical quartz crystal microbalance (EQCM) was experimentally utilized to detect the ion adsorption on heterostructures in neat ionic liquid.…”
Section: Resultsmentioning
confidence: 99%
“…Transition metal sulfides/selenides (TMS/TMSe) have emerged as promising electrode candidates for SIBs and PIBs due to their high theoretical specific capacity, diverse electronic properties, and low cost. [6] Extensive effort has been devoted to improving the electrochemical Na/K-storage performance of TMS/TMSe electrodes by multiple-phase combination [7][8][9] cation doping, [10,11] nanostructure optimization, [12][13][14][15][16] carbon modification, [17][18][19] and working voltage regulation. [20] In particular, constructing singlephase ternary materials which exert atomic-level interface engineering and electric-field effect has been expected as an effective strategy to promote the electrochemical performance.…”
Section: Doi: 101002/adma202007262mentioning
confidence: 99%
“…As one of the 2D material, MoS 2 has adjustable electrical property and can change between insulators and semiconductor metals. It has important applications in many fields such as optoelectronics [20,21], secondary batteries [22,23], and catalysis [24,25]. In addition, MoS 2 also has been proved to be an effective dielectric-type EMW absorbing material.…”
Section: Introductionmentioning
confidence: 99%