Mo-WO3//Co3O4-NiO储能器件的制备与性能研究

IF 3.7 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Langmuir Pub Date : 2025-05-25 DOI:10.1021/acs.langmuir.5c01525

LiuMenghan Zheng,JiKai Yang,GuanXu Liu,JinYing Fang,GuoZheng Wang

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引用次数: 0

摘要

锂离子电池广泛应用于储能领域。本文采用水热法制备了mo掺杂WO3 （Mo-WO3）薄膜，并对其电化学存储性能进行了研究。其中，2%Mo-WO3薄膜的存储性能最好。同时，采用电沉积法制备了Co3O4-NiO共沉积薄膜，并对其电化学存储性能进行了研究。2%Co3O4-NiO薄膜的存储性能最好。以Mo-WO3薄膜为阴极，Co3O4-NiO薄膜为阳极，构建了Mo-WO3//Co3O4-NiO电化学存储装置。研究表明，该器件的面电容（111.5 mF/cm2）有明显提高，500次充放电循环后容量保持率为88%。

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Study on the Fabrication and Performance of Mo-WO3//Co3O4-NiO Energy Storage Devices.

Lithium-ion batteries are widely used in energy storage applications. In this work, Mo-doped WO3 (Mo-WO3) thin films were prepared by a hydrothermal method, and their electrochemical storage properties were studied. Among them, the 2%Mo-WO3 thin film showed the best storage performance. Meanwhile, Co3O4-NiO codeposited thin films were prepared by electrodeposition method, and their electrochemical storage properties were also studied. The 2%Co3O4-NiO thin film showed the best storage performance. A Mo-WO3//Co3O4-NiO electrochemical storage device was constructed with the Mo-WO3 thin film as the cathode and the Co3O4-NiO thin film as the anode. This work shows that this device has an obviously improved areal capacitance (111.5 mF/cm2) and has 88% capacity retention after 500 charge and discharge cycles.

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来源期刊

Langmuir 化学-材料科学：综合

CiteScore

6.50

自引率

10.30%

发文量

1464

审稿时长

2.1 months

期刊介绍： Langmuir is an interdisciplinary journal publishing articles in the following subject categories: Colloids: surfactants and self-assembly, dispersions, emulsions, foams Interfaces: adsorption, reactions, films, forces Biological Interfaces: biocolloids, biomolecular and biomimetic materials Materials: nano- and mesostructured materials, polymers, gels, liquid crystals Electrochemistry: interfacial charge transfer, charge transport, electrocatalysis, electrokinetic phenomena, bioelectrochemistry Devices and Applications: sensors, fluidics, patterning, catalysis, photonic crystals However, when high-impact, original work is submitted that does not fit within the above categories, decisions to accept or decline such papers will be based on one criteria: What Would Irving Do? Langmuir ranks #2 in citations out of 136 journals in the category of Physical Chemistry with 113,157 total citations. The journal received an Impact Factor of 4.384*. This journal is also indexed in the categories of Materials Science (ranked #1) and Multidisciplinary Chemistry (ranked #5).