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Phase evolution for conversion reaction electrodes in lithium-ion batteries

Author

Listed:
  • Feng Lin

    (Lawrence Berkeley National Laboratory
    Materials Science Program, Colorado School of Mines)

  • Dennis Nordlund

    (Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory)

  • Tsu-Chien Weng

    (Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory)

  • Ye Zhu

    (Monash Centre for Electron Microscopy, Monash University
    Monash University)

  • Chunmei Ban

    (Chemical and Materials Science Center, National Renewable Energy Laboratory)

  • Ryan M. Richards

    (Materials Science Program, Colorado School of Mines)

  • Huolin L. Xin

    (Center for Functional Nanomaterials, Brookhaven National Laboratory)

Abstract

The performance of battery materials is largely governed by structural and chemical evolutions during electrochemical reactions. Therefore, resolving spatially dependent reaction pathways could enlighten mechanistic understanding, and enable rational design for rechargeable battery materials. Here, we present a phase evolution panorama via spectroscopic and three-dimensional imaging at multiple states of charge for an anode material (that is, nickel oxide nanosheets) in lithium-ion batteries. We reconstruct the three-dimensional lithiation/delithiation fronts and find that, in a fully electrolyte immersion environment, phase conversion can nucleate from spatially distant locations on the same slab of material. In addition, the architecture of a lithiated nickel oxide is a bent porous metallic framework. Furthermore, anode–electrolyte interphase is found to be dynamically evolving upon charging and discharging. The present study has implications for resolving the inhomogeneity of the general electrochemically driven phase transition (for example, intercalation reactions) and for the origin of inhomogeneous charge distribution in large-format battery electrodes.

Suggested Citation

  • Feng Lin & Dennis Nordlund & Tsu-Chien Weng & Ye Zhu & Chunmei Ban & Ryan M. Richards & Huolin L. Xin, 2014. "Phase evolution for conversion reaction electrodes in lithium-ion batteries," Nature Communications, Nature, vol. 5(1), pages 1-9, May.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4358
    DOI: 10.1038/ncomms4358
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    Cited by:

    1. Zhongsheng Dai & Zhujie Li & Renjie Chen & Feng Wu & Li Li, 2023. "Defective oxygen inert phase stabilized high-voltage nickel-rich cathode for high-energy lithium-ion batteries," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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