Sb@S–N–C nanocomposite as long-cycle stable anode material for lithium ion batteries

Wang, Chong; Chen, Gaoyu; Kou, Juanrong; Zhang, Xianju; Xu, Xiangxing; Bao, Jianchun; Shen, Zihan; Zhang, Huigang; Liu, Li; Yu, Kehan

doi:10.1016/j.jallcom.2019.152161

Cited by 9 publications

(4 citation statements)

References 47 publications

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“…Especially, Sb has been extensively investigated as a substitutable material to graphite in LIBs because of its high theoretical specific capacity and mild reaction platform [14][15][16]. However, the nonreversible capacity decay after the electrochemical cycle and the short cycle life of Sb-based anode materials limit their application in LIBs [17][18][19].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Structure and Mechanical Properties Change of Current Collector during Cycling on Sb-Based Lithium-Ion Batteries’ Performance

et al. 2023

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Here, we investigate structure and mechanical change of Cu and Al current collector during cycling and analyze the contribution to capacity attenuation of Sb-based lithium-ion batteries (LIBs). There exists migration of C, Sb, and Li atoms to the inside of Cu current collector, and diffusion of Li, Co, and O atoms to the inside of Al current collector during cycling, which results in the formation of a porous film of Li2SbCu (with the thickness of 21 µm after 100 cycles) and a relatively dense film of Al2O3 (with the thickness of 23 µm after 100 cycles) on the surface of Cu and Al current collector, respectively. The formation of films results in a weak bond between active layer and current collector, and the increase of hardness of 0.84 GPa and modulus of 22.5 GPa for Cu current collector after 100 cycles, which is adverse to the charge capacity and cycling stability. Nevertheless, Al2O3 films caused hardness decrease of 0.53 GPa and modulus decrease of 18.93 GPa of Al current collector after 100 cycles, which contributes to the improvement of cycling stability and charge capacity. This study provides an understanding of the capacity loss of Sb-based LIBs from the perspective of structural degradation of current collectors.

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Section: Introductionmentioning

confidence: 99%

The Effect of Structure and Mechanical Properties Change of Current Collector during Cycling on Sb-Based Lithium-Ion Batteries’ Performance

et al. 2023

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“…Antimony and its alloys have been intensively studied in recent years as high-capacity anode materials in alkali metal-ion-based rechargeable batteries. − It has a theoretical storage capacity of 660 mAh/g, which is almost twice as high as graphite (372 mAh/g) that is currently used in commercial lithium-ion batteries (LIBs) and double that of hard carbon in emerging sodium-ion batteries. − Recently, antimony-based anodes have been extended to include potassium-ion batteries. , The range of antimony-alkali compounds that has been characterized is, however, considerably broader than just these two elements and can include up to three alkali metal ions from group I, from lithium to cesium, with the number of intermediate compounds increasing as one moves down the group of the periodic table. , In contrast to the more widely studied tin anodes, antimony shows good performance in conventional commercial carbonate-based electrolytes, making it a more suitable candidate to replace graphite in LIBs. − …”

Section: Introductionmentioning

confidence: 99%

Mixing, Domains, and Fast Li-Ion Dynamics in Ternary Li–Sb–Bi Battery Anode Alloys

et al. 2022

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Both antimony and bismuth can alloy with up to three molar equivalents of lithium and are therefore attractive candidates for replacing graphite in Li-ion battery anodes. Li3Sb and Li3Bi have the same cubic structure (Fm3̅m), but the ternary Li–Sb–Bi system has not been studied. We synthesized Li3(Sb x Bi1–x ) with different Sb mole fractions at room temperature by ball milling. These ternary alloys all have cubic crystal structures, as determined by X-ray diffraction (XRD), but show a tendency toward phase segregation for x = 0.25 and 0.50. For x = 0.25, the lattice parameter presents a clear positive deviation from Vegard’s law in XRD, while for x = 0.50, XRD reveals two phases after milling, with the Bi-rich minority phase diminishing after thermal annealing. Solid-state nuclear magnetic resonance spectroscopy provides evidence for a Sb-enriched environment around the Li atoms for Li3Sb0.25Bi0.75, and nuclear spin–lattice relaxation measurements of the binary and ternary alloy phases point to low activation energies and rapid Li-ion diffusion in Li3Bi.

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“…Because of the pucker‐type layered structure and effective interlamellar spacing, antimony provides high energy density and high conductivity as compared to other alloying type materials (Si, P, Ge, Sn). However, it also shows large volume expansion during electrochemical reactions similar to other alloying type materials; consequently, it shows a poor cycle life which keeps these Sb‐based LIB anodes quite far from the satisfactory performance as compare to carbon‐based anodes 16‐19 . Hence, to enhance the electrochemical performance of Sb, several ways have been established, such as the use of nanostructures, forming alloys or intermetallics with other elements.…”

Section: Introductionmentioning

confidence: 99%

Lithiation mechanism of antimony chalcogenides ( Sb ₂ X ₃ ; X = S, Se, Te) electrodes for high‐capacity all‐solid‐state Li‐ion battery

et al. 2021

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Summary All‐solid‐state Li‐ion batteries are considered as next‐generation batteries, which provide safer operation by replacing the flammable liquid electrolyte by solid electrolyte. Developing these batteries using high capacity anode materials is warranted with the increasing demand of the energy sector. Among all the anode materials, alloying‐type anode materials are very attractive due to their high gravimetric as well as volumetric capacities, but they show large volume expansion which can be buffered by mixing different materials. Herein, all‐solid‐state Li‐ion batteries were prepared using Sb chalcogenide composites as electrode materials, and the detailed electrochemical reaction mechanism for the lithiation/delithiation has been established using cyclic voltammetry (CV), electrochemical charge–discharge profiling, electrochemical impedance spectroscopy (EIS), X‐ray diffraction (XRD), and scanning electron microscopy (SEM). The lithiation reaction for all the composites was found to be conversion reaction in the first step (Sb↔ Li2X and Sb) followed by alloying reaction in the second step (Sb ↔ Li3Sb), which is similar to that for liquid electrolyte case. All the composites showed the high volumetric capacity of >4000 mAh/cm3 in the first cycle, which reduced down to ~1500‐2000 mAh/cm3 after 100 cycles. This 50% retained capacity is higher in comparison to conventional carbon electrode as well as previously reported works on similar materials. The coulombic efficiency for all the composites was found nearly 99% after initial 10 cycles. The highest energy density was found as 344 Wh/kg for Sb2S3 composite after 100 cycles (765 Wh/kg in the first cycle), which nearly equals to the target values and makes these composites suitable for the future Li‐ion battery.

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Sb@S–N–C nanocomposite as long-cycle stable anode material for lithium ion batteries

Cited by 9 publications

References 47 publications

The Effect of Structure and Mechanical Properties Change of Current Collector during Cycling on Sb-Based Lithium-Ion Batteries’ Performance

The Effect of Structure and Mechanical Properties Change of Current Collector during Cycling on Sb-Based Lithium-Ion Batteries’ Performance

Mixing, Domains, and Fast Li-Ion Dynamics in Ternary Li–Sb–Bi Battery Anode Alloys

Lithiation mechanism of antimony chalcogenides ( Sb ₂ X ₃ ; X = S, Se, Te) electrodes for high‐capacity all‐solid‐state Li‐ion battery

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Sb@S–N–C nanocomposite as long-cycle stable anode material for lithium ion batteries

Cited by 9 publications

References 47 publications

The Effect of Structure and Mechanical Properties Change of Current Collector during Cycling on Sb-Based Lithium-Ion Batteries’ Performance

The Effect of Structure and Mechanical Properties Change of Current Collector during Cycling on Sb-Based Lithium-Ion Batteries’ Performance

Mixing, Domains, and Fast Li-Ion Dynamics in Ternary Li–Sb–Bi Battery Anode Alloys

Lithiation mechanism of antimony chalcogenides ( Sb 2 X 3 ; X = S, Se, Te) electrodes for high‐capacity all‐solid‐state Li‐ion battery

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Lithiation mechanism of antimony chalcogenides ( Sb ₂ X ₃ ; X = S, Se, Te) electrodes for high‐capacity all‐solid‐state Li‐ion battery