Carbon-based coating containing ultrafine MoO2 nanoparticles as an integrated anode for high-performance lithium-ion batteries

Li, Quanyi; Yang, Qi; Zhao, Yue; Wan, Bin

doi:10.1007/s11051-017-4019-z

Cited by 8 publications

(5 citation statements)

References 47 publications

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“…The other two peaks at 232.2 and 228.1 eV are attributed to the Mo 3d 3/2 and Mo 3d 5/2 of Mo 4+ in the MoO 2 , respectively [32]. Additionally, the peak at 235.2 eV corresponding to Mo 3d 3/2 of Mo 6+ can be ascribed to the slight oxidation of MoO 2 by calcination in the air atmosphere [33,34]. The Se XPS spectrum (Figure 4c) shows two peaks at 54.4 eV and 53.6 eV, corresponding to Se 2- in MoSe 2 [31].…”

Section: Resultsmentioning

confidence: 99%

Flower-Like MoSe2/MoO2 Composite with High Capacity and Long-Term Stability for Lithium-Ion Battery

et al. 2019

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A simple method is developed for the preparation of MoSe2/MoO2 composite with a flower-like structure for high-performance lithium-ion batteries (LIBs). MoSe2 could lead to fast and facile movement of Li+ due to its larger interlayer spacing. Meanwhile, MoO2 could protect the lamellar structure of MoSe2 from being destroyed in the charging/discharging processes to maintain the required active surface to electrolytes. In addition, the flower-like structure of the composite could effectively alleviate the volume expansion during charging/discharging. As LIBs are anode material, MoSe2/MoO2 composite demonstrates an excellent specific discharge capacity of 1042 mAh g−1 after 100 cycles at 0.1 A g−1, which is attributed to the synergistic effects of MoSe2 and MoO2 in the composite.

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Section: Resultsmentioning

confidence: 99%

Flower-Like MoSe2/MoO2 Composite with High Capacity and Long-Term Stability for Lithium-Ion Battery

et al. 2019

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“…In the discharge-charge processes, the working principle of LIBs focuses on the insertion and extraction of lithium ions in positive and negative materials. The LIB electrochemical reaction can be illustrated by the following equations [1,13]:…”

Section: Lithium-ion Battery (Lib) Reaction Mechanismmentioning

confidence: 99%

“…Recently, environmental issues and alternatives to fossil fuels have gained increasing attention globally. Lithium-ion batteries (LIBs) are considered promising candidates to store energy, owing to their high specific energy density, high discharge voltage, long cycle life, lack of memory effect, low self-discharge rate, and fast charge capability [1,2]. They are now widely used in electric vehicles (EVs) and consist of a battery pack.…”

Section: Introductionmentioning

confidence: 99%

Optimization of Thermal Management System with Water and Phase Change Material Cooling for Li-Ion Battery Pack

Cho

Zhai

2021

Energies

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The cooling structure of a battery pack and coupled liquid cooling and phase change material (PCM) were designed in a thermal management system to enhance the cooling performance and extend the service life of lithium-ion battery packs. Numerical simulations were conducted based on the finite volume method. This study focuses on factors such as the layout of the terminal, flow rate of the coolant, different sections of the cooling pipe, position of the cooling pipe, and coupled liquid cooling, and investigates their influences on the operating temperature. The results show that a reasonable terminal layout can reduce heat generation inside the batteries. The appropriate flow rate and position of the cooling pipe effectively reduced the maximum temperature and minimized energy consumption. Then, the PCM was placed between the adjacent batteries near the outlet to enhance the uniformity of the battery pack. The temperature difference was reduced to near 5 K. This study provides a clear direction for improving the cooling performance and extending the service life of battery packs.

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“…Besides, there are much more interfacial storage sites for ions in nanomaterials because of the higher surface, thus resulting a much better rate performance. [17][18][19] So far, various nanostructures of MoO 2 have been produced, such as nanoparticles, 17 nanowires, 20 nanotubes, 21 nanosheets, 22 and complex assemblies. 23 Though designing nanostructures generally promotes the electrochemical performance of the materials, it is still not enough in preventing the capacity degradation during the cycling.…”

Section: Introductionmentioning

confidence: 99%

“…Through the nanomerization of MoO 2 , it can effectively reduce the Li + surface‐to‐core diffusion time. Besides, there are much more interfacial storage sites for ions in nanomaterials because of the higher surface, thus resulting a much better rate performance 17‐19 . So far, various nanostructures of MoO 2 have been produced, such as nanoparticles, 17 nanowires, 20 nanotubes, 21 nanosheets, 22 and complex assemblies 23 .…”

Section: Introductionmentioning

confidence: 99%

MoO₂/C hybrid synthesized by a facile molten‐salt‐assisted approach for high‐performance lithium‐ion batteries

Gao

Tang

Zhao

et al. 2020

Intl J of Energy Research

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SummaryTo combat the serious agglomeration and growth of the active materials, huge volume expansion and sluggish kinetics of metal oxides in the process of Li+ insertion/extraction, constructing hybrid nanostructures aiming to anchor active materials has been pursued. However, it is still limited in terms of capacity decay and complex preparation process. Herein, the hybrid MoO2/C is synthesized through a novel molten‐salt‐assisted approach, in which isolated small MoO2 nanoparticles were anchored on the well‐developed coal‐based porous carbon framework. The novel MoO2/C electrodes demonstrate enhanced electrochemical performance as Li+ battery anodes with a higher capacity of 960 mAh g−1 at 200 mA g−1, which is attributed to the synergistic effect for the uniform dispersion of MoO2 nanoparticles and coal‐based porous carbon layer with abundant active contact sites, which is better by far than the currently reported MoO2‐based electrode. Meanwhile, the hybrid MoO2/C exhibited improved extrinsic capacitive characteristics. Therefore, the hybrid MoO2/C constructed by the simple low cost strategy can be a prospective Li‐ion battery anode.

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Carbon-based coating containing ultrafine MoO2 nanoparticles as an integrated anode for high-performance lithium-ion batteries

Cited by 8 publications

References 47 publications

Flower-Like MoSe2/MoO2 Composite with High Capacity and Long-Term Stability for Lithium-Ion Battery

Flower-Like MoSe2/MoO2 Composite with High Capacity and Long-Term Stability for Lithium-Ion Battery

Optimization of Thermal Management System with Water and Phase Change Material Cooling for Li-Ion Battery Pack

MoO₂/C hybrid synthesized by a facile molten‐salt‐assisted approach for high‐performance lithium‐ion batteries

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Carbon-based coating containing ultrafine MoO2 nanoparticles as an integrated anode for high-performance lithium-ion batteries

Cited by 8 publications

References 47 publications

Flower-Like MoSe2/MoO2 Composite with High Capacity and Long-Term Stability for Lithium-Ion Battery

Flower-Like MoSe2/MoO2 Composite with High Capacity and Long-Term Stability for Lithium-Ion Battery

Optimization of Thermal Management System with Water and Phase Change Material Cooling for Li-Ion Battery Pack

MoO2/C hybrid synthesized by a facile molten‐salt‐assisted approach for high‐performance lithium‐ion batteries

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Product

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MoO₂/C hybrid synthesized by a facile molten‐salt‐assisted approach for high‐performance lithium‐ion batteries