SnxPy Nanoplate/Reduced Graphene Oxide Composites as Anode Materials for Lithium-/Sodium-Ion Batteries

Kong, Zhen; Yao, Xiaogang; Shao, Yongliang; Huang, Meiling; Tu, Huayao; Zhang, Kang; Liang, Zhenlin; Wu, Yongzhong

doi:10.1021/acsanm.1c02816

Cited by 18 publications

(8 citation statements)

References 46 publications

(83 reference statements)

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“…The BS-3 electrode was measured by CV test at various sweep rates between 0.2 and 1.0 mV s –1 to further explore the reaction kinetics, as shown in Figure a. The capacitive contribution can be quantitatively quantified using the equation i = av b , and the b value can be determined using the equation log ( i ) = blog( v ) + log( a ) . Generally, when the value of b is close to 0.5 and 1.0, it corresponds to the ideal diffusion-controlled and capacitive-controlled processes, respectively.…”

Section: Resultsmentioning

confidence: 99%

Synthesis of Nanostructured Bismuth Sulfide with Controllable Morphology for Advanced Lithium/Sodium-Ion Storage

et al. 2022

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Rational design of electrode materials with an excellent structure and morphology is crucial for improving electrochemical properties. Herein, various unique nanostructured Bi 2 S 3 materials with controllable morphology were obtained through a simple and efficient oil bath reaction strategy. Bi 2 S 3 with different morphologies can be obtained by regulating the polarity of solvent, and the lattice spacing can also be adjusted. The Bi 2 S 3 nanomaterials obtained with ethanol as solvent (BS-3) show a three-dimensional nanoflower-like structure assembled with porous layers. The unique structure facilitates the transport of ions and accommodates the volume variation of Bi 2 S 3 during energy storage. Consequently, BS-3 nanoflowers exhibited superior cycling stability and excellent high-rate capability for lithium storage (maintained a high capacity of 923.8 mA h g −1 after 950 cycles at 1.0 A g −1 ) and excellent sodium storage. We provide guidance for precise synthesis and energy storage application of Bi 2 S 3 nanomaterials.

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Section: Resultsmentioning

confidence: 99%

Synthesis of Nanostructured Bismuth Sulfide with Controllable Morphology for Advanced Lithium/Sodium-Ion Storage

et al. 2022

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“…The capacitive contribution at the relevant voltage ( V ) can be calculated from the ratio of the capacitive current ( k 1 ν) to the total current response ( i ) . As shown in Figure h, the capacitance contribution at 1 mV s –1 is 76%, and with the increase of the scan rate, the capacitance contribution ratio gradually increases (Figure g), indicating that the capacitance at high current density is mainly derived from the capacitance behavior; thus increasing pores, defects, and heteroatom functional groups helps improve the fast-charging performance of the material …”

Section: Resultsmentioning

confidence: 98%

Boron–Phosphorus Codoped Coral-like Hard Carbon Anodes for Sodium Ion Storage

et al. 2023

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Hard carbon materials have the advantages of low price, environmental friendliness, and good electrical conductivity but have the disadvantages of unsatisfactory sodium storage capacity and low long-cycle stability. The use of heteroatom doping and structural design can significantly improve the sodium storage properties of carbon materials. In this paper, a boron–phosphorus doped hard carbon material (CABP) was designed by using citric acid as the carbon source. The rich pore structure of CABP also provides fast transport channels for Na+, while the efficient doping of B and P atoms can distort the graphitic layer and generate more active sites and defects. The CABP carbon material therefore exhibits excellent electrochemical properties. It can obtain pretty good capacities of 246.8 mA h g–1 after 400 cycles at 0.1 A g–1. Moreover, it was able to maintain 161.9 mA h g–1 after 5000 cycles at 5 A g–1. This work provides a new route for the facile preparation of high-performance heteroatom-doped carbon materials and an idea for the preparation of diatom-doped materials for energy storage.

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“…The high resolution spectrum of P 2p showed the peaks positioned at the binding energies of ≈128.9 and 129.8 eV, which correspond to the doublet of P 2p 3/2 and P 2p 1/2 for the SnP bond (Figure 3f). [ 53 ] The third peak at the binding energy of ≈134.44 eV is assigned to P 5+ surface oxides because of the unavoidable oxidation of poorly passivated phosphorus on the sample surface in the air and PO bonding formation. The formation of such phosphate bonds not only helps in anchoring the electrolyte on the catalyst surface, but it also promotes the proton‐coupled electron transfer process for OER activity.…”

Section: Resultsmentioning

confidence: 99%

Metallic Metastable Hybrid 1T′/1T Phase Triggered Co,PSnS₂ Nanosheets for High Efficiency Trifunctional Electrocatalyst

Singh

Nguyen

et al. 2023

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The development of trifunctional electrocatalyst for oxygen reduction reaction (ORR), oxygen evolution reaction (OER), and hydrogen evolution reaction (HER) with deeply understanding the mechanism to enhance the electrochemical performance is still a challenging task. In this work, the distorted metastable hybrid‐phase induced 1T′/1T Co,PSnS2 nanosheets on carbon cloth (1T′/1T Co,PSnS2@CC) is prepared and examined. The density functional theoretical (DFT) calculation suggests that the distorted 1T′/1T Co,PSnS2 can provide excellent conductivity and strong hydrogen adsorption ability. The electronic structure tuning and enhancement mechanism of electrochemical performance are investigated and discussed. The optimal 1T′/1T Co,PSnS2@CC catalyst exhibits low overpotential of ≈94 and 219.7 mV at 10 mA cm−2 for HER and OER, respectively. Remarkably, the catalyst exhibits exceptional ORR activity with small onset potential value (≈0.94 V) and half‐wave potential (≈0.87 V). Most significantly, the 1T′/1T Co,PSnS2||Co,PSnS2 electrolyzer required small cell voltages of ≈1.53, 1.70, and 1.82 V at 10, 100, and 400 mA cm−2, respectively, which are better than those of state‐of‐the‐art Pt‐C||RuO2 (≈1.56 and 1.84 V at 10 and 100 mA cm−2). The present study suggests a new approach for the preparation of large‐scalable, high performance hierarchical 3D next‐generation trifunctional electrocatalysts.

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Sn_xP_y Nanoplate/Reduced Graphene Oxide Composites as Anode Materials for Lithium-/Sodium-Ion Batteries

Cited by 18 publications

References 46 publications

Synthesis of Nanostructured Bismuth Sulfide with Controllable Morphology for Advanced Lithium/Sodium-Ion Storage

Synthesis of Nanostructured Bismuth Sulfide with Controllable Morphology for Advanced Lithium/Sodium-Ion Storage

Boron–Phosphorus Codoped Coral-like Hard Carbon Anodes for Sodium Ion Storage

Metallic Metastable Hybrid 1T′/1T Phase Triggered Co,PSnS₂ Nanosheets for High Efficiency Trifunctional Electrocatalyst

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SnxPy Nanoplate/Reduced Graphene Oxide Composites as Anode Materials for Lithium-/Sodium-Ion Batteries

Cited by 18 publications

References 46 publications

Synthesis of Nanostructured Bismuth Sulfide with Controllable Morphology for Advanced Lithium/Sodium-Ion Storage

Synthesis of Nanostructured Bismuth Sulfide with Controllable Morphology for Advanced Lithium/Sodium-Ion Storage

Boron–Phosphorus Codoped Coral-like Hard Carbon Anodes for Sodium Ion Storage

Metallic Metastable Hybrid 1T′/1T Phase Triggered Co,PSnS2 Nanosheets for High Efficiency Trifunctional Electrocatalyst

Contact Info

Product

Resources

About

Sn_xP_y Nanoplate/Reduced Graphene Oxide Composites as Anode Materials for Lithium-/Sodium-Ion Batteries

Metallic Metastable Hybrid 1T′/1T Phase Triggered Co,PSnS₂ Nanosheets for High Efficiency Trifunctional Electrocatalyst