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首页> 外文期刊>Advanced Functional Materials >Design Strategies of 3D Carbon-Based Electrodes for Charge/Ion Transport in Lithium Ion Battery and Sodium Ion Battery
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Design Strategies of 3D Carbon-Based Electrodes for Charge/Ion Transport in Lithium Ion Battery and Sodium Ion Battery

机译：锂离子电池充电/离子输送3D碳基电极的设计策略及钠离子电池

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摘要

Advanced 3D carbon-based electrodes have the potential to significantly enhance the energy-power density of lithium ion batteries and sodium ion batteries, due to their continuous conductive networks, proper porosity distribution, and integrated stable structure. However, it still remains a fundamental scientific challenge to accurately understand the charge/ion transport in 3D carbon-based electrodes. In this review, the operating mechanism of charge/ion transport in 3D carbon-based electrodes are comprehended by introducing a useful architectural analogy to provide a physical insight. In order to better understand the relationship between 3D carbon-based electrode structure and electrode process characteristics, the main design strategies of 3D carbonbased electrodes according to the specific characteristic of pore tortuosity is proposed. Through analysis of 3D carbon electrode architectural models, several key scientific issues and related characterization technologies that are beneficial to improving the charge/ion transport efficiency are also raised. The kinetics difference of ionic transport between Li+ and Na+ ions is also taken into account. Furthermore, the critical parameters of porous structure including porosity and tortuosity to investigate the parameter-structure-performance relationships of 3D carbon-based architecture electrodes are highlighted, which in turn would guide more rational battery design in tradeoff between the high capacity and fast transport.
机译：由于其连续导电网络，适当的孔隙率分布和集成稳定的结构，先进的3D碳基电极具有显着提高锂离子电池和钠离子电池的能量 - 功率密度。然而，它仍然是准确理解3D碳基电极的充电/离子输送的基本科学挑战。在该审查中，通过引入有用的架构类比来理解3D碳基电极中的充电/离子传输的操作机制，以提供物理洞察力。为了更好地了解3D碳基电极结构和电极工艺特性之间的关系，提出了根据孔曲折的特定特征的3D碳基射电极的主要设计策略。通过对3D碳电极架构模型的分析，还提高了有利于提高充电/离子运输效率的几个关键科学问题和有关的表征技术。考虑到Li +和Na +离子之间的离子传输的动力学差异。此外，突出显示包括孔隙率和曲折的多孔结构的临界参数，包括孔隙率和曲折度，以研究基于3D碳基架构电极的参数 - 结构性能关系，这反过来将在高容量和快速运输之间进行更多的合理电池设计。

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