纳米氮化硼薄片与锂离子电池电极的相互作用可提高电压和安培数

IF 1.4 4区 化学 Q4 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL
M. Monajjemi, F. Mollaamin, S. Shahriari, Z. Khalaj, H. Sakhaeinia, A. Alihosseini
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引用次数: 0

摘要

摘要 纳米氮化硼化合物因其独特的结构、机械和电学特性,作为锂离子电池(LIB)的负极材料显示出巨大的潜力。与传统的石墨基负极相比,石墨烯/(h-BN)2/石墨烯(G/h-BN/G)基负极的可逆锂离子容量大大提高。在这项研究中,氮化硼片被定位在石墨烯内部,以提高电化学比率。此外,我们还发现 G/h-BN/G 结构可以提高基于 C-BN 片的 LIB 的容量和电传输性能。因此,对 BN 片的改性和 G/h-BN/G 结构的设计为提高 BN-G 基阳极的性能提供了策略。G/h-BN/G 还可以组装成独立电极,无需任何粘合剂或集流器,这将提高整个电池设计的比能量密度。最后,我们制作了一种新型锂电池并测试了我们的方法,我们发现在类似条件下使用 G/h-BN/G 的系统可提高锂电池的电压和安培数。复合材料在提高锂电池的容量、电压和安培数方面发挥了重要作用。对锂离子电池电极材料(阳极和阴极)的任何理论研究以及随后根据理论结果进行的实验测试都能帮助我们以低成本制造出功能强大的电池。与之前的锂离子电池相比,使用基于石墨烯/(h-BN)2/石墨烯(G/h-BN/G)的阳极和合适的复合阴极材料可以获得较高的电压和电流。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Interaction of Nano-Boron Nitride Sheets with Electrodes in Lithium Ion Battery for Increasing Voltage and Amperage

Interaction of Nano-Boron Nitride Sheets with Electrodes in Lithium Ion Battery for Increasing Voltage and Amperage

Interaction of Nano-Boron Nitride Sheets with Electrodes in Lithium Ion Battery for Increasing Voltage and Amperage

Nano-Boron nitride compounds have displayed a great potential as anode materials for lithium ion batteries (LIBs) due to their unique structural, mechanical, and electrical properties. The measured reversible lithium ion capacities of Graphene/(h-BN)2/Graphene(G/h-BN/G) based anodes are considerably improved compared to the conventional graphite-based anodes. In this study, the boron nitride sheet has been localized inside the graphene as an option to enhance the electrochemical ratio. Additionally, we have found the structure of G/h-BN/G can improve the capacity and electrical transport in C-BN sheets-based LIBs. Therefore, the modification of BN sheet and design of G/h-BN/G structure provide strategies for improving the performance of BN-G-based anodes. G/h-BN/G could also be assembled into free-standing electrodes without any binder or current collector, which will lead to increase specific energy density for the overall battery design. Finally, we fabricated a novel LIBs and tested our method and we found this system in similar condition using G/h-BN/G increases the voltage and amperage in LIBs. For increasing the capacity, voltage, and amperage for LIBs the composite materials play a strong role. Any theoretical studies in electrode materials (anode and cathode) of lithium ion batteries and subsequent experimental testing with the results of theory can help us to fabricate powerful batteries with low cost. Using Graphene/(h-BN)2/ Graphene(G/h-BN/G) based anodes with a suitable composite for cathode materials exhibit high voltages and amperages compared with similar conditions of the previous LIBs.

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来源期刊
Russian Journal of Physical Chemistry B
Russian Journal of Physical Chemistry B 化学-物理:原子、分子和化学物理
CiteScore
2.20
自引率
71.40%
发文量
106
审稿时长
4-8 weeks
期刊介绍: Russian Journal of Physical Chemistry B: Focus on Physics is a journal that publishes studies in the following areas: elementary physical and chemical processes; structure of chemical compounds, reactivity, effect of external field and environment on chemical transformations; molecular dynamics and molecular organization; dynamics and kinetics of photoand radiation-induced processes; mechanism of chemical reactions in gas and condensed phases and at interfaces; chain and thermal processes of ignition, combustion and detonation in gases, two-phase and condensed systems; shock waves; new physical methods of examining chemical reactions; and biological processes in chemical physics.
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