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首页> 外文期刊>Advanced energy materials >A Reanalysis of the Diverse Sodium Species in Carbon Anodes for Sodium Ion Batteries: A Thermodynamic View
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A Reanalysis of the Diverse Sodium Species in Carbon Anodes for Sodium Ion Batteries: A Thermodynamic View

机译：钠离子电池碳阳极多样化钠物种的再分析：热力学观

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摘要

Sodium ion batteries (SIBs) have been extensively investigated as a promising alternative for lithium ion batteries (LIBs) owing to the readily available character of sodium, lower costs of battery systems, as well as a similar working mechanism to LIBs. However, this view turns out to be oversimplified; countless reviews especially in the last years contradict each other, and it is still a challenging task to design highly performing electrode materials for SIBs. Due to the larger radius of Na+, its lower covalent character, and the resulting changes in intercalation chemistry, sodium is far from being only the bigger relative of lithium, and the difference leads to altered loading curves, and the occurrence of a multiplicity of binding sites. An in-depth holistic understanding of the sodium storage mechanisms is needed to resolve the controversial discussions in the research community, ideally starting with unquestionable thermodynamic points. Here, taking a tutorial perspective, first the recent discussions on the storage mechanism of sodium in carbons are reviewed from an unorthodox viewpoint, namely addressing sodium uptake as a multifaceted adsorption process with an added electrochemical binding potential. This model is based on literature data. Afterward, challenges and perspectives revealed by such a model are discussed.
机译：钠离子电池（SIBS）被广泛地调查了锂离子电池（LIBS）的有希望的替代方案，由于钠的易用性，电池系统的较低成本以及对LIBS的类似工作机制。但是，这一观点结果已过度简化;无数的评论，特别是在过去几年中相互矛盾，设计高度表现为SIB的电极材料仍然是一个具有挑战性的任务。由于Na +半径较大，其较低的共价特征和所得内嵌化学的变化，钠远离锂的较大关系，差异导致加载曲线改变，以及多种粘合的发生网站。需要深入的整体理解钠储存机制来解决研究界中的有争议的讨论，理想地从无疑难的热力学点开始。在这里，采取教程的视角，首先从非正统的观点审查了最近关于碳钠的储存机制的讨论，即用额外的电化学结合潜力来解决钠摄取作为多方型吸附过程。该模型基于文献数据。之后，讨论了这种模型揭示的挑战和观点。

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  • 来源
    《Advanced energy materials》 |2021年第47期|2102489.1-2102489.17|共17页
  • 作者

    Tian Zhihong; Zhang Yu; Zhu Jixin; Li Qiuye; Liu Tianxi; Antonietti Markus;

  • 作者单位

    Henan Univ Engn Res Ctr Nanomat Kaifeng 475004 Peoples R China|Max Planck Inst Colloids & Interfaces Dept Colloid Chem D-14476 Potsdam Germany;

    East China Univ Sci & Technol Sch Mech & Power Engn Shanghai 200237 Peoples R China;

    Nanjing Tech Univ Inst Adv Mat IAM Nanjing 211816 Peoples R China;

    Henan Univ Engn Res Ctr Nanomat Kaifeng 475004 Peoples R China;

    Jiangnan Univ Sch Chem & Mat Engn Minist Educ Key Lab Synthet & Biol Colloids Wuxi 214122 Jiangsu Peoples R China;

    Max Planck Inst Colloids & Interfaces Dept Colloid Chem D-14476 Potsdam Germany;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    hard carbon; sodium; storage mechanism; strategies;

    机译：硬碳;钠;储存机制;策略;

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