Cross-nanoflower CoS2 in-situ self-assembled on rGO sheet as advanced anode for lithium/sodium ion battery

Liao, Song-Yi; Cui, Tingting; Zhang, Shiyang; Cai, Junjie; Zheng, Feng; Liu, Yidong; Min, Yonggang

doi:10.1016/j.electacta.2019.134992

Cited by 50 publications

(22 citation statements)

References 52 publications

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“…The results are shown in Figures h and S6i,j, the capacitance contribution increases with the scan rate increases. From the quantified results, CoS 2 @NCNTs-650 has a higher capacitance contribution rate under various scan rates, which helps to improve the high current cycling performance and rate performance of the electrode material. , The difference in electrochemical performance between the electrode materials was further studied by electrochemical impedance spectroscopy (EIS), and the results are listed in Figure h and Table S2. The R f and R ct of CoS 2 @NCNTs-650 are 32.57 and 8.01 Ω, respectively, which are significantly lower than those of CoS 2 @NCNTs-550 (60.15 and 23.78 Ω, respectively) and CoS 2 @NCNTs-750 (52.92 and 19.36 Ω, respectively).…”

Section: Resultsmentioning

confidence: 99%

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Rational Design of Hierarchically Structured CoS₂@NCNTs from Metal–Organic Frameworks for Efficient Lithium/Sodium Storage Performance

Zhang

Huang

Gao

et al. 2020

ACS Appl. Energy Mater.

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In this report, hierarchically structured CoS2 was formed with ZIF-67 as a template. CoS2 nanoparticles are prepared through two processes, including carbonization and sulfurization. At the same time, the ZIF-67 precursor is converted into a nitrogen-doped carbon polyhedron at the temperature from 550 to 750 °C. Due to the catalytic activity of cobalt, the surface of the carbon polyhedron framework catalytic formation of N-doped carbon nanotubes (NCNTs). We optimized the CoS2@NCNT composite material by controlling the carbonization temperature; the study found that the sample obtained at a temperature of 650 °C has a large specific surface area and a moderate degree of graphitization. When evaluated as a secondary battery anode material, CoS2@NCNTs-650 exhibits excellent lithium/sodium storage performance. Discharge specific capacities of 1057.4 mA h g–1 [lithium-ion batteries (LIBs)] and 621.5 mA h g–1 [sodium-ion batteries (SIBs)] are maintained after 200 cycles (0.5 A g–1). In addition, because of the higher capacitance contribution rate and lower electrochemical impedance of the CoS2@NCNTs-650 electrode, excellent rate performance is exhibited for both LIBs and SIBs.

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Section: Resultsmentioning

confidence: 99%

“…The oxidation peak observed at 1.8–2.1 V corresponds to the formation of CoS 2 . Based on previous research, the electrochemical reaction process is shown below − , …”

Section: Resultsmentioning

confidence: 99%

Rational Design of Hierarchically Structured CoS₂@NCNTs from Metal–Organic Frameworks for Efficient Lithium/Sodium Storage Performance

Zhang

Huang

Gao

et al. 2020

ACS Appl. Energy Mater.

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“…Table S2: Electrochemical performance comparison of the as-prepared CoS 2 @rGO anode with other previously reported CoS 2 -based anodes in LIBs. References [41][42][43] are cited in the Supplementary Materials.…”

Section: Supplementary Materialsmentioning

confidence: 99%

Composite Nanoarchitectonics with CoS2 Nanoparticles Embedded in Graphene Sheets for an Anode for Lithium-Ion Batteries

Dong

Shi

et al. 2022

Nanomaterials

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Cobalt sulfides are attractive as intriguing candidates for anodes in Lithium-ion batteries (LIBs) due to their unique chemical and physical properties. In this work, CoS2@rGO (CSG) was synthesized by a hydrothermal method. TEM showed that CoS2 nanoparticles have an average particle size of 40 nm and were uniformly embedded in the surface of rGO. The battery electrode was prepared with this nanocomposite material and the charge and discharge performance was tested. The specific capacity, rate, and cycle stability of the battery were systematically analyzed. In situ XRD was used to study the electrochemical transformation mechanism of the material. The test results shows that the first discharge specific capacity of this nanocomposite reaches 1176.1 mAhg−1, and the specific capacity retention rate is 61.5% after 100 cycles, which was 47.5% higher than that of the pure CoS2 nanomaterial. When the rate changes from 5.0 C to 0.2 C, the charge-discharge specific capacity of the nanocomposite material can almost be restored to the initial capacity. The above results show that the CSG nanocomposites as a lithium-ion battery anode electrode has a high reversible specific capacity, better rate performance, and excellent cycle performance.

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“…With continued economic and technological development, as an advanced electrochemical charge storage device, rechargeable batteries have been widely used in small electronic devices, such as smart phones, tablet computers, smart bracelets, drones, and electric vehicles, and are expected to be used in large-scale energy storage equipment in the near future. [1][2][3] Traditional inorganic electrode materials, for example, lithium titanate (Li 4 Ti 5 O 12 ), [4] metal oxide (M x O y ), [5] metal sulfide (M x S y ), [6,7] layered transition metal oxides (LTMOs) (Ni/Mn + the cathode) [8] and alloy-type anode materials (Si, Sn) [9,10] are subject to expensive raw materials and limited resources. To pursue higher purity and crystallinity and stable crystal structures, high temperature solid phase reactions are important as they results in higher greenhouse gas emissions and high process cost.…”

Section: Introductionmentioning

confidence: 99%

A Facile Strategy for Synthesizing Organic Tannic Metal Salts as Advanced Energy Storage Anodes

et al. 2021

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Until now, organic electrode materials have been extensively researched and are expected to emerge as a promising rechargeable battery material, with advantages of adjustable structure, and stable electrochemical performance. Herein, we describe the synthesis of tannic acid metal salt [lithium tannic acid (LiTA) and sodium tannic acid (NaTA)] through a facile and mild acid-base reaction methodology. The LiTA anode delivers a reversible capacity of 151.7 mAh g À 1 at 100 mA g À 1 and maintains 100.5 mAh g À 1 after 100 cycles. Correspondingly, the NaTA anode presents a capacity of 147.7 mAh g À 1 at 80 mA g À 1 and remains at 79.9 mAh g À 1 after 100 cycles. Both materials show good electrochemical behavior as demonstrated by EIS and GITT measured transport dynamics. Furthermore, the ion storage mechanism investigated by ex-situ FTIR and ex-situ XPS indicated that the redox pair changes between the C=O and CÀ O bonds. Therefore, the feasibility of tannic acid metal salt as a rechargeable battery anode provides a strategy to search for other natural organic compounds as promising energy storage materials.

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Cross-nanoflower CoS2 in-situ self-assembled on rGO sheet as advanced anode for lithium/sodium ion battery

Cited by 50 publications

References 52 publications

Rational Design of Hierarchically Structured CoS₂@NCNTs from Metal–Organic Frameworks for Efficient Lithium/Sodium Storage Performance

Rational Design of Hierarchically Structured CoS₂@NCNTs from Metal–Organic Frameworks for Efficient Lithium/Sodium Storage Performance

Composite Nanoarchitectonics with CoS2 Nanoparticles Embedded in Graphene Sheets for an Anode for Lithium-Ion Batteries

A Facile Strategy for Synthesizing Organic Tannic Metal Salts as Advanced Energy Storage Anodes

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Cross-nanoflower CoS2 in-situ self-assembled on rGO sheet as advanced anode for lithium/sodium ion battery

Cited by 50 publications

References 52 publications

Rational Design of Hierarchically Structured CoS2@NCNTs from Metal–Organic Frameworks for Efficient Lithium/Sodium Storage Performance

Rational Design of Hierarchically Structured CoS2@NCNTs from Metal–Organic Frameworks for Efficient Lithium/Sodium Storage Performance

Composite Nanoarchitectonics with CoS2 Nanoparticles Embedded in Graphene Sheets for an Anode for Lithium-Ion Batteries

A Facile Strategy for Synthesizing Organic Tannic Metal Salts as Advanced Energy Storage Anodes

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Rational Design of Hierarchically Structured CoS₂@NCNTs from Metal–Organic Frameworks for Efficient Lithium/Sodium Storage Performance

Rational Design of Hierarchically Structured CoS₂@NCNTs from Metal–Organic Frameworks for Efficient Lithium/Sodium Storage Performance