氧化石墨烯掺杂VO2(B)作为锌离子电池正极材料的制备与性能

IF 0.8 4区 化学 Q4 CHEMISTRY, PHYSICAL
Xucheng Wang, Yanyu Zhao, Junyuan Zhong, Fan Zhang, Xinxin Hu, Xiangling Tong, Zheyuan Chen, Yangyang Xie, Junfeng Gao
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引用次数: 0

摘要

水性锌离子电池(azib)因其经济性,生态兼容性和强大的安全记录而得到认可。然而,开发具有大容量和可靠性能的正极材料的任务仍然是一个艰巨的问题。在这里,我们提出使用掺杂氧化石墨烯(VO2/GO)的VO2(B)作为AZIBs的正极材料,通过简单的水热法制备。氧化石墨烯显著提高了阴极的反应速率,并使阴极具有高容量,在0.5 a g-1时的容量为542 mA h g-1。本研究提出了一种提高含钒阴极材料效率的方法,从而加快了azib的发展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Preparation and Properties of VO2(B) Doped with Graphene Oxide As Cathode Material for Aqueous Zinc-Ion Batteries

Preparation and Properties of VO2(B) Doped with Graphene Oxide As Cathode Material for Aqueous Zinc-Ion Batteries

Preparation and Properties of VO2(B) Doped with Graphene Oxide As Cathode Material for Aqueous Zinc-Ion Batteries

Aqueous zinc-ion batteries (AZIBs) are recognized for their economical nature, ecological compatibility, and strong safety record. Nevertheless, the task of developing cathode materials that possess both a large capacity and reliable performance remains a formidable issue. Here, we propose using VO2(B) doped with graphene oxide (VO2/GO) as cathode material for AZIBs, prepared via a straightforward hydrothermal method. Graphene oxide significantly improves the rate at which the cathode reacts and allows the cathode to have a high capacity, resulting in a capacity of 542 mA h g–1 at 0.5 A g–1. This study proposes a promising method to enhance the efficiency of cathode materials containing vanadium, hence expediting the advancement of AZIBs.

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来源期刊
CiteScore
1.20
自引率
14.30%
发文量
376
审稿时长
5.1 months
期刊介绍: Russian Journal of Physical Chemistry A. Focus on Chemistry (Zhurnal Fizicheskoi Khimii), founded in 1930, offers a comprehensive review of theoretical and experimental research from the Russian Academy of Sciences, leading research and academic centers from Russia and from all over the world. Articles are devoted to chemical thermodynamics and thermochemistry, biophysical chemistry, photochemistry and magnetochemistry, materials structure, quantum chemistry, physical chemistry of nanomaterials and solutions, surface phenomena and adsorption, and methods and techniques of physicochemical studies.
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