Biowaste-sustained MoSe2 composite as an efficient anode for sodium/potassium storage applications

Su, Ce; Ru, Qiang; Gao, Yuqing; Shi, Zujin; Zheng, Minhui; Chen, Fuming; Ling, Francis Chi‐Chung; Li, Wei

doi:10.1016/j.jallcom.2020.156770

Cited by 29 publications

(21 citation statements)

References 42 publications

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“…Recently, transition-metal dichalcogenides (TMDs) (MoS 2 , MoSe 2 , WSe 2 , and VS 2 ) have been extensively studied because of their excellent physical and chemical properties and graphene-like layered structure. − However, most of the developed TMD cathodes suffer from poor rate performance and serious capacity fading . Among the TMDs, VSe 2 is a two-dimensional material with a naturally layered structure, a V atomic layer is sandwiched between two Se atomic layers to form a sandwich structure; the Se–V–Se layer forms a VSe 2 crystal through interlayer van der Waals force. , In this way, the large interlayer spacing (6.11 Å) and good conductivity make it a great potential for energy-storage applications .…”

Section: Introductionmentioning

confidence: 99%

Selenium Defect Boosted Electrochemical Performance of Binder-Free VSe₂ Nanosheets for Aqueous Zinc-Ion Batteries

Bai

Zhang

Xiang

et al. 2021

ACS Appl. Mater. Interfaces

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As a typical transition-metal dichalcogenides, vanadium diselenide (VSe 2 ) is a promising electrode material for aqueous zinc-ion batteries due to its metallic characteristics and excellent electronic conductivity. In this work, we propose a strategy of hydrothermal reduction synthesis of stainless-steel (SS)supported VSe 2 nanosheets with defect (VSe 2−x -SS), thereby further improving the conductivity and activity of VSe 2−x -SS. Density functional theory calculations confirmed that Se defect can adjust the adsorption energy of Zn 2+ ions. This means that the adsorption/desorption process of Zn 2+ ions on VSe 2−x -SS is more reversible than that on pure SS-supported VSe 2 (VSe 2 -SS). As a result, the Zn// VSe 2−x -SS battery showed more excellent electrochemical performance than Zn// VSe 2 -SS. The VSe 2−x -SS electrode shows a good specific capacity of 265.2 mA h g −1 (0.2 A g −1 after 150 cycles), satisfactory rate performance, and impressive cyclic stability. In addition, we also have explored the energy-storage mechanism of Zn 2+ ions in this VSe 2−x -SS electrode material. This study provides an effective strategy for the rational design of electrode materials for electrochemical energy-storage devices.

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Section: Introductionmentioning

confidence: 99%

Selenium Defect Boosted Electrochemical Performance of Binder-Free VSe₂ Nanosheets for Aqueous Zinc-Ion Batteries

Bai

Zhang

Xiang

et al. 2021

ACS Appl. Mater. Interfaces

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“…[33,34] The corresponding TEM images (Figure 4m and Figure S5, Supporting Information) show the uniform distribution of MoSe 2 nanosheets embedded on the carbon matrix, which is in accord with the SAED image with the diffraction rings indexed to ≈(002), (100), ( 103), (105), and (008) planes of hexagonal MoSe 2 . [28] As the temperature increases to 600 °C, the XRD pattern (Figure 4j) of MoO 2 is replaced by MoS 2 in the absent of H 2 SeO 3 , showing that the H 2 S gas from the decomposition of CA can sulfurize MoO 2 effectively at 600 °C. In the present of H 2 SeO 3 , the diffraction peaks of the MoS x Se 2−x /C exhibit a shift toward the small angle, verifying the formation of MoS x Se 2−x .…”

Section: Resultsmentioning

confidence: 96%

“…TMSs as star materials have been investigated widely in the fields of energy storage, catalysis, and sensors. [23][24][25][26][27][28] Particularly, as the anode materials of the new emerging K-ion batteries, TMSs are much competitive since their graphene-like layered structure and large interlayer space facilitate the fast transition and the high capacity of larger K + versus Li + . Given the fast diffusion and transition of K + in TMSs, nanosized TMSs are essential for achieving the high performance.…”

Section: Resultsmentioning

confidence: 99%

Biomineralized Mesocrystal KCl Microreactor for Solid‐State Synthesis of Non‐Oxide Nanomaterials

Liu

Fan

et al. 2022

Small Methods

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Inspired by natural biomineralization, a biomineralized microreactor with a mesocrystal KCl shell (BM‐KCl‐MMs) is made by a facile freezing dry process, exhibiting a good availability for high‐temperature solid‐state synthesis of nanomaterials. Benefiting from the good thermal stability, stiffness, and mechanical strength of KCl mesocrystal shells, the employment of BM‐KCl‐MMs in the transition metal (TM)–S–Se system not only realizes for the first time, the production of TMSxSe2−x/C nanocomposites in air atmosphere, but also reaches a high reagent‐utilization and high yield, as well as minimum wastes. More importantly, based on the soaking effect of the KCl shells, the resultant stable reaction microenvironment inside endows the microreactors with a well‐controlled synthesis of nanomaterials with very even size, uniform dispersion, and novel functionalities. As one example, the as‐prepared MoSxSe2−x/C composites as the electrodes of K‐ion batteries and K‐ion hybrid supercapacitors deliver the state of the art cycling capability of 248 mAh g−1 at 2 A g−1 after 5000 cycles and an 87.1% capacity retention at 5.0 A g−1 after 20 000 cycles, respectively, demonstrating a significant potential of BM‐KCl‐MMs on design and synthesis of novel functional nanomaterials.

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“…The as-prepared Ni 2 P@NPC possessed a high capacity of 282 mAh g À1 , and showed excellent stability of 212 mAh g À1 at 1 A g À1 after 5000 cycles. Similarly, a MoSe 2 /BC/CNTs composite has prepared from raw epicarp peeled from fresh mangosteens by Su et al 146 Although the MoSe 2 /BC/CNTs composite showed usual K + storage 247.8 mAh g À1 at 2 A g À1 in KIBs, it possessed a broad working temperature range from À10 (186.7 mAh g À1 ) to 60 C (482.1 mAh g À1 ) in KIBs. The above discussions revealed that the biomassderived carbons are attractive candidates for anode preparation owing to having structural and cost-effective advantages along with chemical stability and high conductivity.…”

Section: Biomass-derived Carbon Anodesmentioning

confidence: 99%

A review on carbon nanomaterials for K‐ion battery anode: Progress and perspectives

Thakur

Ahmed

Park

et al. 2021

Intl J of Energy Research

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Li-ion batteries (LIBs) are being used extensively in a wide range of applications owing to the facile preparation technology as well as a high energy density, which exceeds those of other commercial batteries. However, LIBs alone cannot satisfy the burgeoning energy demand due to Li-resource constraints.Recently, K-ion batteries (KIBs) have garnered the interest of the scientific community as promising alternatives for LIBs due to the abundance of K resources, the affordability of K, and its superior electrochemical properties. However, the development of KIBs is hindered by the slow development of appropriate anode materials that can accommodate the repeated intercalation/ deintercalation of large K ions without sustaining significant structural damage. Thus, the development of appropriate anode materials is crucial for the realization of practically viable KIBs. Carbon nanomaterials are promising anode materials due to their remarkable potassiation/depotassiation ability, structural stability, and structural evolution from zero to three dimensions. It is anticipated that an evaluation of the recent advances in carbon and their composites anode materials for KIBs can facilitate the development of practically viable KIBs. This review comprehensively discusses recent developments in carbonaceous and their composites as anode materials for KIBs and provides a prospective for the next research step.

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Biowaste-sustained MoSe2 composite as an efficient anode for sodium/potassium storage applications

Cited by 29 publications

References 42 publications

Selenium Defect Boosted Electrochemical Performance of Binder-Free VSe₂ Nanosheets for Aqueous Zinc-Ion Batteries

Selenium Defect Boosted Electrochemical Performance of Binder-Free VSe₂ Nanosheets for Aqueous Zinc-Ion Batteries

Biomineralized Mesocrystal KCl Microreactor for Solid‐State Synthesis of Non‐Oxide Nanomaterials

A review on carbon nanomaterials for K‐ion battery anode: Progress and perspectives

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Biowaste-sustained MoSe2 composite as an efficient anode for sodium/potassium storage applications

Cited by 29 publications

References 42 publications

Selenium Defect Boosted Electrochemical Performance of Binder-Free VSe2 Nanosheets for Aqueous Zinc-Ion Batteries

Selenium Defect Boosted Electrochemical Performance of Binder-Free VSe2 Nanosheets for Aqueous Zinc-Ion Batteries

Biomineralized Mesocrystal KCl Microreactor for Solid‐State Synthesis of Non‐Oxide Nanomaterials

A review on carbon nanomaterials for K‐ion battery anode: Progress and perspectives

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Resources

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Selenium Defect Boosted Electrochemical Performance of Binder-Free VSe₂ Nanosheets for Aqueous Zinc-Ion Batteries

Selenium Defect Boosted Electrochemical Performance of Binder-Free VSe₂ Nanosheets for Aqueous Zinc-Ion Batteries