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首页> 外文期刊>Journal of Materials Research >In situ transmission electron microscopy and spectroscopy studies of interfaces in Li ion batteries: Challenges and opportunities
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In situ transmission electron microscopy and spectroscopy studies of interfaces in Li ion batteries: Challenges and opportunities

机译：锂离子电池界面的原位透射电子显微镜和光谱学研究：挑战与机遇

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摘要

Transmission electron microscopy (TEM) and spectroscopy have been evolved to a stage such that they can be routinely used to probe the structure and composition of the materials with the resolution of a single atomic column. However, a direct in situ TEM observation of structural evolution of the materials in a lithium ion battery during dynamic operation of the battery has never been reported. In this paper, we report the results of exploring the in situ TEM techniques for observation of interfaces in the lithium ion battery during the operation of the battery. A miniature battery was fabricated using a single nanowire and an ionic liquid electrolyte. The structure and composition of the interface across the anode and the electrolyte was studied using TEM imaging, electron diffraction, and electron energy-loss spectroscopy. In addition, we also explored the possibilities of carrying out in situ TEM studies of lithium ion batteries with a solid state electrolyte.
机译：透射电子显微镜（TEM）和光谱学已发展到一个阶段，因此它们可以常规用于探测单个原子柱分辨率的材料的结构和组成。然而，从未报道过在电池动态运行期间对锂离子电池中的材料的结构演变进行直接原位TEM观察。在本文中，我们报告了探索在电池运行过程中用于观察锂离子电池界面的原位TEM技术的结果。使用单根纳米线和离子液体电解质制造了微型电池。使用TEM成像，电子衍射和电子能量损失谱研究了横跨阳极和电解质的界面的结构和组成。此外，我们还探索了对带有固态电解质的锂离子电池进行原位TEM研究的可能性。

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  • 来源
    《Journal of Materials Research》 |2010年第8期|P.1541-1547|共7页
  • 作者

    C.M. Wang; rnW. Xu; rnJ.Liu; rnD.W. Choi; rnB. Arey; rnL.V. Saraf; rnJ.G. Zhang; rnZ.G. Yang; rnS. Thevuthasan; rnD.R. Baer; rnN. Salmon;

  • 作者单位

    Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352;

    rnEnergy and Environmental Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352;

    rnFundamental and Computational Science Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352;

    rnEnergy and Environmental Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352;

    rnEnvironmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352;

    rnEnvironmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352;

    rnEnergy and Environmental Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352;

    rnEnergy and Environmental Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352;

    rnEnvironmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352;

    rnEnvironmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352;

    rnHummingbird Scientific, Lacey, Washington 98516;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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