2019
DOI: 10.1021/acs.nanolett.9b00697
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Aqueous Zinc-Ion Storage in MoS2 by Tuning the Intercalation Energy

Abstract: Aqueous Zn-ion batteries present a low cost, safe, and high-energy battery technology, but suffer from the lack of suitable cathode materials because of the sluggish intercalation kinetics associated with the large size of hydrated zinc ions. Herein we report an effective and general strategy to transform inactive intercalation hosts into efficient Zn 2+ storage materials through intercaltion energy tuning. Using MoS 2 as a model system, we show both experimentally and theoretically that even hosts with origin… Show more

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Cited by 421 publications
(413 citation statements)
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References 57 publications
(103 reference statements)
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“…in MoS 2 host material. [68] If the amount of oxygen incorporation is 5%,t he interlayer distance increasesf rom 6.2 to 9.5 (Figure 8a), and the Zn 2 + intercalation energy lowers due to the improved hydrophilicity.T he authors used ah ydrothermal reaction to synthesize MoS 2 nanosheets from thiourea (CS(NH 2 ) 2 ) and ammonium molybdate tetrahydrate ((NH 4 ) 6 Mo 7 O 24 ·4H 2 O). Once the reactiont emperature reached 180 8C, the oxygen-in-corporated MoS 2 (MoS 2 ÀO) was synthesized due to thiourea reacting with the MoÀOb onds from the undecomposed molybdate precursor.…”
Section: Heteroatom Dopingmentioning
confidence: 99%
See 1 more Smart Citation
“…in MoS 2 host material. [68] If the amount of oxygen incorporation is 5%,t he interlayer distance increasesf rom 6.2 to 9.5 (Figure 8a), and the Zn 2 + intercalation energy lowers due to the improved hydrophilicity.T he authors used ah ydrothermal reaction to synthesize MoS 2 nanosheets from thiourea (CS(NH 2 ) 2 ) and ammonium molybdate tetrahydrate ((NH 4 ) 6 Mo 7 O 24 ·4H 2 O). Once the reactiont emperature reached 180 8C, the oxygen-in-corporated MoS 2 (MoS 2 ÀO) was synthesized due to thiourea reacting with the MoÀOb onds from the undecomposed molybdate precursor.…”
Section: Heteroatom Dopingmentioning
confidence: 99%
“…a) XRD patterns of MoS 2 and MoS 2 ÀO. b) CV curves of MoS 2 ÀOa nd MoS 2 for the first threecycles at 0.1 mV s À1 .c)The long-term cycling performance of MoS 2 and MoS 2 ÀOa tacurrentd ensity of 1.0 Ag À1 .d )TEM images of MoS 2 (left) and MoS 2 ÀO (right) after the discharging process.R eproduced with permission [68]. Copyright 2019, American Chemical Society.um element was characterizedb yX PS.…”
mentioning
confidence: 99%
“…As early as 1980, prelithiated MoS 2 was applied and patented as ac athode material. [15a] In recent years,M oS 2 has been used as cathode materiali nv arious multivalent metal-ion batteries, such as zinc-, [16] magnesium-, [17] and aluminum-ion [18] batteries. When used as anode materials in LIBs, nanostructured MoS 2 can exhibit high capacities up to 1000-1200 mAh g À1 ,which is much higherthan its theoretical capacity of 670 mAh g À1 while bulk MoS 2 is inactivet owards Li + and shows poor cycling stability.…”
Section: Charge Storage In Libsmentioning
confidence: 99%
“…In addition, the MX 2 materials are also proved to be promising candidates for sodium or lithium storage applications, because of their large interlayer space which is capable of reversibly storing sodium/ lithium ions . During the past several years, various techniques (strategies) such as defect engineering, phase engineering, interlayer spacing, hydrophilicity tuning, interface construction, or integration with conductive media etc. (for instance graphene, carbon nanotubes etc.…”
Section: Introductionmentioning
confidence: 99%