Fabrication of strong internal electric field ZnS/Fe<sub>9</sub>S<sub>10</sub> heterostructures for highly efficient sodium ion storage

Zhang, Chengzhi; Han, Fei; Ma, Jianmin; Li, Zheng; Zhang, Fuquan; Xu, Shaohua; Liu, Hongbo; Li, Xuanke; Liu, Jinshui; Lu, An‐Hui

doi:10.1039/c9ta02388g

Cited by 93 publications

(55 citation statements)

References 47 publications

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“…Among these effective approaches, construction of heterostructures consisted of different components with bandgaps difference, is an effective way to promote the electrochemical performance, which could generate a strong built‐in electric field ( E ‐field), promote interface charge transport of ions and electrons, thus improving the reaction kinetics . Recently, a Fe 9 S 10 /ZnS heterostructures has been designed to deliver highly efficient sodium storage due to the strong internal E ‐field accelerating Na + diffusion kinetics . Li et al.…”

Section: Introductionmentioning

confidence: 96%

Bimetal‐organic Framework‐derived Co₉S₈/ZnS@NC Heterostructures for Superior Lithium‐ion Storage

Duan

Wang

et al. 2020

Chemistry An Asian Journal

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Heterostructure engineering of electrode materials, which is expected to accelerate the ion/electron transport rates driven by a built-in internal electric field at the heterointerface, offers unprecedented promise in improving their cycling stability and rate performance. Herein, carbon nanotubes with Co 9 S 8 /ZnS heterostructures embedded in a N-doped carbon framework (Co 9 S 8 /ZnS@NC) have been rationally designed via an in-situ vapor chemical transformation strategy with the aid of thiophene, which not only acted as carbon source for the growth of carbon nanotubes but also as sulfur source for the sulfurization of metal Zn and Co. Density functional theory (DFT) calculation shows an about 3.24 eV electrostatic potential difference between ZnS and Co 9 S 8 , which results in a strong electrostatic field across the interface that makes electrons transfer from Co 9 S 8 to the ZnS side. As expected, a stable cycling performance with reversible capacity of 411.2 mAh g À 1 at 1000 mA g À 1 after 300 cycles, excellent rate capability (324 mAh g À 1 at 2000 A g À 1 ) and a high percentage of pseudocapacitance contribution (87.5% at 2.2 mv/s) for lithium-ion batteries (LIBs) are achieved. This work provides a possible strategy for designing multicomponent heterostructural materials for application in energy storage and conversion fields.[a] Prof.

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Section: Introductionmentioning

confidence: 96%

Bimetal‐organic Framework‐derived Co₉S₈/ZnS@NC Heterostructures for Superior Lithium‐ion Storage

Duan

Wang

et al. 2020

Chemistry An Asian Journal

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“…Except for moving to higher potential in the subsequent cathodic processes, the peak types are almost the same and peaks can be overlapped, indicating superior electrochemical activity and reversibility of Fe 7 S 8 /C@ZnS/N‐C@C anode. The related electrochemical reactions are described as follows [ 19,49 ]

Discharge : {Fe}_{7} S_{8} + 8 {Na}^{+} + 8 e^{-} \to 4 {Na}_{2} {FeS}_{2} + 3 Fe

{Na}_{2} {FeS}_{2} + 2 {Na}^{+} + 2 e^{-} \to Fe + 2 {Na}_{2} S

ZnS + 2 {Na}^{+} + 2 e^{-} \to Zn + {Na}_{2} S

13 Zn + {Na}^{+} + e^{-} \to {NaZn}_{13}

Charge : {NaZn}_{13} \to 13 Zn + {Na}^{+} + e^{-}

Zn + {Na}_{2} S \to ZnS + 2 {Na}^{+} + 2 e^{-}

Fe + 2 {Na}_{2} S \to {Na}_{2} {FeS}_{2} + 2 {Na}^{+} + {2e}^{-}

…”

Section: Resultsmentioning

confidence: 99%

“…The weaker bonds between metal and sulfur, and the better conductivity of the sodiation product (Na 2 S), are in favor of conversion reactions. [ 16–18 ] To improve the electrochemical performance of sulfide anodes, nanostructural engineering, including structure design and composition optimization, has been demonstrated as an effective approach. Thus, hierarchical core–multishelled hybrids with various layer chemical compositions should be attractive, attributed to synergetic effects.…”

Section: Introductionmentioning

confidence: 99%

“…[ 19–21 ] Especially, an internal electric field between the metal sulfides with large energy bandgap difference has been proved to accelerate the sodium storage kinetics. [ 18 ] A core–double‐shelled ZnS‐Sb 2 S 3 @C polyhedron takes advantage of core and shell compositions and provides integrated superiority of cycling stability, electrochemical reaction potential, and ion/electron transport. [ 22 ] Consequently, the synthesis of core–double‐shelled materials with different hybrid layer composition is of significant importance in the exploration of high‐performance electrochemically active materials.…”

Section: Introductionmentioning

confidence: 99%

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Okra‐Like Fe₇S₈/C@ZnS/N‐C@C with Core–Double‐Shelled Structures as Robust and High‐Rate Sodium Anode

Cao

Kang

Wang

et al. 2020

Small

109

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Core–multishelled structures with controlled chemical composition have attracted great interest due to their fascinating electrochemical performance. Herein, a metal–organic framework (MOF)‐on‐MOF self‐templated strategy is used to fabricate okra‐like bimetal sulfide (Fe7S8/C@ZnS/N‐C@C) with core–double‐shelled structure, in which Fe7S8/C is distributed in the cores, and ZnS is embedded in one of the layers. The MOF‐on‐MOF precursor with an MIL‐53 core, a ZIF‐8 shell, and a resorcinol–formaldehyde (RF) layer (MIL‐53@ZIF‐8@RF) is prepared through a layer‐by‐layer assembly method. After calcination with sulfur powder, the resultant structure has a hierarchical carbon matrix, abundant internal interface, and tiered active material distribution. It provides fast sodium‐ion reaction kinetics, a superior pseudocapacitance contribution, good resistance of volume changes, and stepwise sodiation/desodiation reaction mechanism. As an anode material for sodium‐ion batteries, the electrochemical performance of Fe7S8/C@ZnS/N‐C@C is superior to that of Fe7S8/C@ZnS/N‐C, Fe7S8/C, or ZnS/N‐C. It delivers a high and stable capacity of 364.7 mAh g−1 at current density of 5.0 A g−1 with 10 000 cycles, and registers only 0.00135% capacity decay per cycle. This MOF‐on‐MOF self‐templated strategy may provide a method to construct core–multishelled structures with controlled component distributions for the energy conversion and storage.

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“…Moreover, ZnS can provide a good reaction reversibility and improve the initial coulombic efficiency because of the weak ZnS bond. [ 260,261 ] Furthermore, Zhang et al [ 262 ] introduced a double carbon network, whose function is to prevent the formation of cracks in the electrode, and then constructed HZSS@C@G (hollow ZnS‐SnS@C nanoboxes with graphene coated). The anode delivered a high specific capacity of 1099 mA h g −1 after 300 cycles at 1 A g −1 .…”

Section: Applicationsmentioning

confidence: 99%

Applications of Tin Sulfide‐Based Materials in Lithium‐Ion Batteries and Sodium‐Ion Batteries

Shan

Pang

2020

Adv Funct Materials

180

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SnSx (x = 1, 2) compounds are composed of earth‐abundant elements and are nontoxic and low‐cost materials that have received increasing attention as energy materials over the past decades, owing to their huge potential in batteries. Generally, SnSx materials have excellent chemical stability and high theoretical capacity and reversibility due to their unique 2D‐layered structure and semiconductor properties. As a promising matrix material for storing different alkali metal ions through alloying/dealloying reactions, SnSx compounds have broad electrochemical prospects in batteries. Herein, the structural properties of SnSx materials and their advantages as electrode materials are discussed. Furthermore, detailed accounts of various synthesis methods and applications of SnSx materials in lithium‐ion batteries, sodium‐ion batteries, and other new rechargeable batteries are emphasized. Ultimately, the challenges and opportunities for future research on SnSx compounds are discussed based on the available academic knowledge, including recent scientific advances.

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Fabrication of strong internal electric field ZnS/Fe₉S₁₀ heterostructures for highly efficient sodium ion storage

Abstract: Heterostructure anode material have been developed by engineering internal electric field to boost charge carrier transport for high-rate and high-capacity sodium ion storage.

Cited by 93 publications

References 47 publications

Bimetal‐organic Framework‐derived Co₉S₈/ZnS@NC Heterostructures for Superior Lithium‐ion Storage

Bimetal‐organic Framework‐derived Co₉S₈/ZnS@NC Heterostructures for Superior Lithium‐ion Storage

Okra‐Like Fe₇S₈/C@ZnS/N‐C@C with Core–Double‐Shelled Structures as Robust and High‐Rate Sodium Anode

Applications of Tin Sulfide‐Based Materials in Lithium‐Ion Batteries and Sodium‐Ion Batteries

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Fabrication of strong internal electric field ZnS/Fe9S10 heterostructures for highly efficient sodium ion storage

Abstract: Heterostructure anode material have been developed by engineering internal electric field to boost charge carrier transport for high-rate and high-capacity sodium ion storage.

Cited by 93 publications

References 47 publications

Bimetal‐organic Framework‐derived Co9S8/ZnS@NC Heterostructures for Superior Lithium‐ion Storage

Bimetal‐organic Framework‐derived Co9S8/ZnS@NC Heterostructures for Superior Lithium‐ion Storage

Okra‐Like Fe7S8/C@ZnS/N‐C@C with Core–Double‐Shelled Structures as Robust and High‐Rate Sodium Anode

Applications of Tin Sulfide‐Based Materials in Lithium‐Ion Batteries and Sodium‐Ion Batteries

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Fabrication of strong internal electric field ZnS/Fe₉S₁₀ heterostructures for highly efficient sodium ion storage

Bimetal‐organic Framework‐derived Co₉S₈/ZnS@NC Heterostructures for Superior Lithium‐ion Storage

Bimetal‐organic Framework‐derived Co₉S₈/ZnS@NC Heterostructures for Superior Lithium‐ion Storage

Okra‐Like Fe₇S₈/C@ZnS/N‐C@C with Core–Double‐Shelled Structures as Robust and High‐Rate Sodium Anode