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Operando and three-dimensional visualization of anion depletion and lithium growth by stimulated Raman scattering microscopy

Author

Listed:
  • Qian Cheng

    (Program of Materials Science and Engineering, Columbia University)

  • Lu Wei

    (Columbia University)

  • Zhe Liu

    (The Pennsylvania State University)

  • Nan Ni

    (Program of Materials Science and Engineering, Columbia University)

  • Zhe Sang

    (Program of Materials Science and Engineering, Columbia University)

  • Bin Zhu

    (Program of Materials Science and Engineering, Columbia University)

  • Weiheng Xu

    (Program of Materials Science and Engineering, Columbia University)

  • Meijie Chen

    (Program of Materials Science and Engineering, Columbia University)

  • Yupeng Miao

    (Columbia University)

  • Long-Qing Chen

    (The Pennsylvania State University)

  • Wei Min

    (Columbia University)

  • Yuan Yang

    (Program of Materials Science and Engineering, Columbia University)

Abstract

Visualization of ion transport in electrolytes provides fundamental understandings of electrolyte dynamics and electrolyte-electrode interactions. However, this is challenging because existing techniques are hard to capture low ionic concentrations and fast electrolyte dynamics. Here we show that stimulated Raman scattering microscopy offers required resolutions to address a long-lasting question: how does the lithium-ion concentration correlate to uneven lithium deposition? In this study, anions are used to represent lithium ions since their concentrations should not deviate for more than 0.1 mM, even near nanoelectrodes. A three-stage lithium deposition process is uncovered, corresponding to no depletion, partial depletion, and full depletion of lithium ions. Further analysis reveals a feedback mechanism between the lithium dendrite growth and heterogeneity of local ionic concentration, which can be suppressed by artificial solid electrolyte interphase. This study shows that stimulated Raman scattering microscopy is a powerful tool for the materials and energy field.

Suggested Citation

  • Qian Cheng & Lu Wei & Zhe Liu & Nan Ni & Zhe Sang & Bin Zhu & Weiheng Xu & Meijie Chen & Yupeng Miao & Long-Qing Chen & Wei Min & Yuan Yang, 2018. "Operando and three-dimensional visualization of anion depletion and lithium growth by stimulated Raman scattering microscopy," Nature Communications, Nature, vol. 9(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05289-z
    DOI: 10.1038/s41467-018-05289-z
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    Cited by:

    1. Ermanno Miele & Wesley M. Dose & Ilya Manyakin & Michael H. Frosz & Zachary Ruff & Michael F. L. Volder & Clare P. Grey & Jeremy J. Baumberg & Tijmen G. Euser, 2022. "Hollow-core optical fibre sensors for operando Raman spectroscopy investigation of Li-ion battery liquid electrolytes," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Jyotshna Pokharel & Arthur Cresce & Bharat Pant & Moon Young Yang & Ashim Gurung & Wei He & Abiral Baniya & Buddhi Sagar Lamsal & Zhongjiu Yang & Stephen Gent & Xiaojun Xian & Ye Cao & William A. Godd, 2024. "Manipulating the diffusion energy barrier at the lithium metal electrolyte interface for dendrite-free long-life batteries," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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