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Metal segregation in hierarchically structured cathode materials for high-energy lithium batteries

Author

Listed:
  • Feng Lin

    (Lawrence Berkeley National Laboratory)

  • Dennis Nordlund

    (Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory)

  • Yuyi Li

    (Lawrence Berkeley National Laboratory)

  • Matthew K. Quan

    (Lawrence Berkeley National Laboratory)

  • Lei Cheng

    (Lawrence Berkeley National Laboratory
    University of California)

  • Tsu-Chien Weng

    (Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory
    † Present address: Center for High Pressure Science & Technology Advanced Research, Shanghai 201203, China.)

  • Yijin Liu

    (Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory)

  • Huolin L. Xin

    (Center for Functional Nanomaterials, Brookhaven National Laboratory)

  • Marca M. Doeff

    (Lawrence Berkeley National Laboratory)

Abstract

In technologically important LiNi1−x−yMnxCoyO2 cathode materials, surface reconstruction from a layered to a rock-salt structure is commonly observed under a variety of operating conditions, particularly in Ni-rich compositions. This phenomenon contributes to poor high-voltage cycling performance, impeding attempts to improve the energy density by widening the potential window at which these electrodes operate. Here, using advanced nano-tomography and transmission electron microscopy techniques, we show that hierarchically structured LiNi0.4Mn0.4Co0.2O2 spherical particles, made by a simple spray pyrolysis method, exhibit local elemental segregation such that surfaces are Ni-poor and Mn-rich. The tailored surfaces result in superior resistance to surface reconstruction compared with those of conventional LiNi0.4Mn0.4Co0.2O2, as shown by soft X-ray absorption spectroscopy experiments. The improved high-voltage cycling behaviour exhibited by cells containing these cathodes demonstrates the importance of controlling LiNi1−x−yMnxCoyO2 surface chemistry for successful development of high-energy lithium ion batteries.

Suggested Citation

  • Feng Lin & Dennis Nordlund & Yuyi Li & Matthew K. Quan & Lei Cheng & Tsu-Chien Weng & Yijin Liu & Huolin L. Xin & Marca M. Doeff, 2016. "Metal segregation in hierarchically structured cathode materials for high-energy lithium batteries," Nature Energy, Nature, vol. 1(1), pages 1-8, January.
    • Handle: RePEc:nat:natene:v:1:y:2016:i:1:d:10.1038_nenergy.2015.4
    DOI: 10.1038/nenergy.2015.4
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    Cited by:

    1. Zhichen Xue & Nikhil Sharma & Feixiang Wu & Piero Pianetta & Feng Lin & Luxi Li & Kejie Zhao & Yijin Liu, 2023. "Asynchronous domain dynamics and equilibration in layered oxide battery cathode," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    2. Tongchao Liu & Lei Yu & Jun Lu & Tao Zhou & Xiaojing Huang & Zhonghou Cai & Alvin Dai & Jihyeon Gim & Yang Ren & Xianghui Xiao & Martin V. Holt & Yong S. Chu & Ilke Arslan & Jianguo Wen & Khalil Amine, 2021. "Rational design of mechanically robust Ni-rich cathode materials via concentration gradient strategy," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    3. Zang, Guiyan & Zhang, Jianan & Xu, Siqi & Xing, Yangchuan, 2021. "Techno-economic analysis of cathode material production using flame-assisted spray pyrolysis," Energy, Elsevier, vol. 218(C).
    4. Danfeng Zhang & Ming Liu & Jiabin Ma & Ke Yang & Zhen Chen & Kaikai Li & Chen Zhang & Yinping Wei & Min Zhou & Peng Wang & Yuanbiao He & Wei Lv & Quan-Hong Yang & Feiyu Kang & Yan-Bing He, 2022. "Lithium hexamethyldisilazide as electrolyte additive for efficient cycling of high-voltage non-aqueous lithium metal batteries," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    5. Anisa Surya Wijareni & Hendri Widiyandari & Agus Purwanto & Aditya Farhan Arif & Mohammad Zaki Mubarok, 2022. "Morphology and Particle Size of a Synthesized NMC 811 Cathode Precursor with Mixed Hydroxide Precipitate and Nickel Sulfate as Nickel Sources and Comparison of Their Electrochemical Performances in an," Energies, MDPI, vol. 15(16), pages 1-15, August.
    6. Linze Li & Bin Ouyang & Zhengyan Lun & Haoyan Huo & Dongchang Chen & Yuan Yue & Colin Ophus & Wei Tong & Guoying Chen & Gerbrand Ceder & Chongmin Wang, 2023. "Atomic-scale probing of short-range order and its impact on electrochemical properties in cation-disordered oxide cathodes," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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