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首页> 外文会议>General society student poster session >The Performance of Hard Carbon in a Sodium Ion Battery and Influence of the Sodium Metal in Observed Properties
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The Performance of Hard Carbon in a Sodium Ion Battery and Influence of the Sodium Metal in Observed Properties

机译：钠离子电池中硬碳的性能及其对金属钠的观察性能的影响

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摘要

This investigation includes the electrochemical testing protocols for a hard carbon sodium ion anode material, and discusses the use of a sodium metal counter electrode with respect to the material and cell stability during the electrochemical testing. A 3-electrode cell in compression fitting ('Swagelok') configuration was used with hard carbon as the working electrode and sodium metal as the counter and reference electrode. The cells were charged and discharged at high rates to investigate the polarisation effects of the sodium metal. The results indicate a significant contribution from the sodium metal electrode to the observed cell characteristics, depending on state-of-charge and rate. These contributions are significant and may lead to misinterpretation of the material and electrode performance when tested in 2-electrode arrangements with a sodium metal counter electrode.
机译：这项研究包括用于硬碳钠离子阳极材料的电化学测试方案，并讨论了在电化学测试过程中就材料和电池稳定性而言钠金属对电极的使用。使用压缩装配（“世伟洛克”）配置的三电极电池，其中硬碳作为工作电极，钠金属作为对电极和参比电极。电池以高速率充电和放电以研究钠金属的极化效应。结果表明，取决于电荷状态和速率，钠金属电极对观察到的电池特性有重要贡献。这些贡献非常重要，当在带有钠金属对电极的2电极布置中进行测试时，可能会导致材料和电极性能的误解。

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  • 会议地点 San Diego(US)
  • 作者

    D. Ledwoch; D. J. L. Brett; E. Kendrick;

  • 作者单位

    Department Energy and Environment, SHARP Laboratories of Europe Ltd., Oxford, OX3 7AS, UK,Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, UK;

    Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, UK;

    Department Energy and Environment, SHARP Laboratories of Europe Ltd., Oxford, OX3 7AS, UK,Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, UK;

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  • 正文语种 eng
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