Tuning ZnSe/CoSe in MOF-derived N-doped porous carbon/CNTs for high-performance lithium storage

Jin, Jun; Zheng, Yun; Kong, Ling Bing; Srikanth, Narasimalu; Yan, Qingyu; Zhou, Kun

doi:10.1039/c8ta04425b

Cited by 141 publications

(64 citation statements)

References 45 publications

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“…Therefore, as presented in the Ragone plot (Figure S15, Supporting Information), the CoSeS@C/G has overwhelming higher rate capability than other reported cobalt selenide‐base anodes for LIB. [ 9,11,35,53–55 ]…”

Section: Resultsmentioning

confidence: 99%

Composition and Architecture Design of Double‐Shelled Co_0.85Se₁₋_xS_x@Carbon/Graphene Hollow Polyhedron with Superior Alkali (Li, Na, K)‐Ion Storage

Wang

Bao

Xia

et al. 2020

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The ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/smll.201905853.The exploration of materials with reversible and stable electrochemical performance is crucial in energy storage, which can (de) intercalate all the alkali-metal ions (Li + , Na + , and K + ). Although transition-metal chalcogenides are investigated continually, the design and controllable preparation of hierarchical nanostructure and subtle composite withstable properties are still great challenges. Herein, component-optimal Co 0.85 Se 1−x S x nanoparticles are fabricated by in situ sulfidization of metal organic framework, which are wrapped by the S-doped graphene, constructing a hollow polyhedron framework with double carbon shells (CoSSe@C/G). Benefiting from the synergistic effect of composition regulation and architecture design by S-substitution, the electrochemical kinetic is enhanced by the boosted electrochemistry-active sites, and the volume variation is mitigated by the designed structure, resulting in the advanced alkali-ion storage performance. Thus, it delivers an outstanding reversible capacity of 636.2 mAh g −1 at 2 A g −1 after 1400 cycles for Li-ion batteries. Remarkably, satisfactory initial charge capacities of 548.1 and 532.9 mAh g −1 at 0.1 A g −1 can be obtained for Na-ion and K-ion batteries, respectively. The prominent performance combined with the theory calculation confirms that the synergistic strategy can improve the alkali-ion transportation and structure stability, providing an instructive guide for designing high-performance anode materials for universal alkali-ion storage.

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Section: Resultsmentioning

confidence: 99%

Composition and Architecture Design of Double‐Shelled Co_0.85Se₁₋_xS_x@Carbon/Graphene Hollow Polyhedron with Superior Alkali (Li, Na, K)‐Ion Storage

Wang

Bao

Xia

et al. 2020

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“…Additionally, the inner resistance of cell is represented by solution resistance (R s ), while the double-layer capacitance reactance is interpreted by constant phase element (CPE). [60][61][62] As expected, the fitted value of R ct for ZSS@NSC electrode is 38.21 Ω, much smaller than that of ZSS sample (190.5 Ω), suggesting the superior electronic conductivity with the smallest charge-transfer resistance for ZSS@NSC composite. Additionally, the important parameter of Na + ion diffusion coefficients (D Na + ) can be calculated from Equations (S1) and (S2) in the Supporting Information.…”

Section: Resultsmentioning

confidence: 63%

Synergistical Coupling Interconnected ZnS/SnS₂ Nanoboxes with Polypyrrole‐Derived N/S Dual‐Doped Carbon for Boosting High‐Performance Sodium Storage

Cao

Bao

et al. 2019

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Metal sulfides possess tremendous potentials owing to their high specific capacity for sodium storage. However, the huge volume expansion, accompanied with structural collapse and unsatisfied electric conductivity upon continuous cycling, always lead to inferior rate capability and severe cycling fading. In this work, binary metal sulfide (ZnS/SnS2) nanoboxes confined in N/S dual‐doped carbon shell (ZSS@NSC) are fabricated through a facile co‐precipitation method involving the wrapping of polypyrrole, and subsequent in situ sulfidation process. Such a well‐designed heterogeneity between ZnS and SnS2 provides rapid Na+ insertion and enhanced charge transport by creating an electric field at the heterointerface. More significantly, the formation of polypyrrole‐derived N/S dual‐doped carbon is synergistically coupled with the ZnS/SnS2 to create a unique and robust architecture, further strengthening the interconnect function at the heterointerface, which improves electric/ion transfer and mitigates the volume variation during the long‐term cycling process. Herein, this as‐prepared ZSS@NSC exhibits satisfied specific capacity, excellent rate property, and superior cyclic stability (a reversible capacity of 456.2 mAh g−1 with excellent capacity retention of 97.2% after 700 stable cycles at ultrahigh rate of 5 A g−1). The boosted Na‐storage properties demonstrate that the optimized strategy of structure‐engineering has a broad prospect to promote energy storage applications.

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“…Hence, the XRD results suggest that the formation of Zn-Mn-Se and Zn-Co-Se on the Ni foam. [44][45][46] The peak located at 39.61° of Zn-Co-Se is slightly shifted toward a lower diffraction angle because of the substation of Co 2+ ions into Zn 2+ ions. No residues or impurities are observed.…”

Section: Resultsmentioning

confidence: 99%

Selective Growth of Zn–Co–Se Nanostructures on Various Conductive Substrates for Asymmetric Flexible Hybrid Supercapacitor with Enhanced Performance

Chebrolu

Balakrishnan

Chinnadurai

et al. 2019

Adv Materials Technologies

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laptops, rollup displays, and wearable devices. [1][2][3][4][5][6][7][8][9][10] Though, several kinds of renewable energy sources have attracted great attention including, rechargeable batteries, supercapacitors (SCs), and fuel cells. Among them, SCs hold great promise for fast charging, [11] while batteries take hours to recharge. [12] SCs have witnessed broad application prospects such as those in cameras, electric vehicles (EVs), railways, and aerospace due to their superior power density, tiny volume, and lifespan, [13,14] but small specific capacitance and low operating voltage critically fulfill the demands for EVs with high energy density. Therefore, researchers are driving toward in creating new kinds of electrode material with high specific capacity, or the operation potential window (V), and the electrochemical performance in SCs is significantly dependent on the physicochemical properties of electrode materials. [15] Nanostructured transitionmetal oxides [16][17][18][19][20] and conducting polymers are widely exploited as a positive electrode material for SCs because of their unique multiple oxidation states of transition metal ions, reversible faradic reactions, and high specific capacitance properties compared to that of carbonaceous materials (e.g., graphite, activated carbon). [21][22][23] Nevertheless, the power density, low electronic conductivity, and poor cycling stability arising from the metal oxide/polymers limit their wide application for SCs.Recently, battery-type metal selenides, phosphates, and nitrides have been attracted enormous attention, being developed as a new type of electroactive materials in the field of energy storage and conversion systems due to its low electronegativity and rich redox reactions when compared to the corresponding oxides. Indeed, some metal nitrides [24] and sulfides [25] have been reported as new electroactive materials for SCs and often show better performance than oxides. Besides, metal selenides, as an important class of metal chalcogenides, possess high electrical conductivity and widely employed as electrocatalysts, [26][27][28][29] dye-sensitized solar cells (DSSCs), [30,31] and SCs. [32] Recent reports highlight that metal selenides might be effective electrode material for SCs. [32][33][34][35][36][37][38][39][40][41][42] In their reports, the presence of selenium atom greatly enhanced electrochemical active sites. In another point of view, the cation substituted in transition metals Hybrid supercapacitors have received great interest in the field of electric vehicles and wearable electronic devices. However, developing new electrode material with high capacity and supporting substrates with good stability is still a big challenge. Herein, a facile electrodeposition technique is applied to grow Zn-Co-Se on various conductive substrates for hybrid supercapacitor. Among all, NF-supported Zn-Co-Se electrode shows a high specific capacitance of 313.45 C g −1 and good cyclical stability of 95% retention over 3000 cycles. Interestingly, the assembled hybri...

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Tuning ZnSe/CoSe in MOF-derived N-doped porous carbon/CNTs for high-performance lithium storage

Abstract: Binary metal selenides (ZnSe/CoSe) encapsulated in N-doped carbon polyhedra interconnected with carbon nanotubes (ZCS@NC/CNTs) are prepared through a simple solution method, involving subsequent in situ pyrolysis and selenization of the metal–organic framework (MOF) precursor.

Cited by 141 publications

References 45 publications

Composition and Architecture Design of Double‐Shelled Co_0.85Se₁₋_xS_x@Carbon/Graphene Hollow Polyhedron with Superior Alkali (Li, Na, K)‐Ion Storage

Composition and Architecture Design of Double‐Shelled Co_0.85Se₁₋_xS_x@Carbon/Graphene Hollow Polyhedron with Superior Alkali (Li, Na, K)‐Ion Storage

Synergistical Coupling Interconnected ZnS/SnS₂ Nanoboxes with Polypyrrole‐Derived N/S Dual‐Doped Carbon for Boosting High‐Performance Sodium Storage

Selective Growth of Zn–Co–Se Nanostructures on Various Conductive Substrates for Asymmetric Flexible Hybrid Supercapacitor with Enhanced Performance

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Tuning ZnSe/CoSe in MOF-derived N-doped porous carbon/CNTs for high-performance lithium storage

Abstract: Binary metal selenides (ZnSe/CoSe) encapsulated in N-doped carbon polyhedra interconnected with carbon nanotubes (ZCS@NC/CNTs) are prepared through a simple solution method, involving subsequent in situ pyrolysis and selenization of the metal–organic framework (MOF) precursor.

Cited by 141 publications

References 45 publications

Composition and Architecture Design of Double‐Shelled Co0.85Se1−xSx@Carbon/Graphene Hollow Polyhedron with Superior Alkali (Li, Na, K)‐Ion Storage

Composition and Architecture Design of Double‐Shelled Co0.85Se1−xSx@Carbon/Graphene Hollow Polyhedron with Superior Alkali (Li, Na, K)‐Ion Storage

Synergistical Coupling Interconnected ZnS/SnS2 Nanoboxes with Polypyrrole‐Derived N/S Dual‐Doped Carbon for Boosting High‐Performance Sodium Storage

Selective Growth of Zn–Co–Se Nanostructures on Various Conductive Substrates for Asymmetric Flexible Hybrid Supercapacitor with Enhanced Performance

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Composition and Architecture Design of Double‐Shelled Co_0.85Se₁₋_xS_x@Carbon/Graphene Hollow Polyhedron with Superior Alkali (Li, Na, K)‐Ion Storage

Composition and Architecture Design of Double‐Shelled Co_0.85Se₁₋_xS_x@Carbon/Graphene Hollow Polyhedron with Superior Alkali (Li, Na, K)‐Ion Storage

Synergistical Coupling Interconnected ZnS/SnS₂ Nanoboxes with Polypyrrole‐Derived N/S Dual‐Doped Carbon for Boosting High‐Performance Sodium Storage