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Heuristic solution for achieving long-term cycle stability for Ni-rich layered cathodes at full depth of discharge

Author

Listed:
  • Un-Hyuck Kim

    (Hanyang University)

  • Geon-Tae Park

    (Hanyang University)

  • Byoung-Ki Son

    (Hanyang University)

  • Gyeong Won Nam

    (Hanyang University)

  • Jun Liu

    (University of Washington
    Pacific Northwest National Laboratory)

  • Liang-Yin Kuo

    (Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research, Materials Synthesis and Processing (IEK-1))

  • Payam Kaghazchi

    (Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research, Materials Synthesis and Processing (IEK-1))

  • Chong S. Yoon

    (Hanyang University)

  • Yang-Kook Sun

    (Hanyang University)

Abstract

The demand for energy sources with high energy densities continues to push the limits of Ni-rich layered oxides, which are currently the most promising cathode materials in automobile batteries. Although most current research is focused on extending battery life using Ni-rich layered cathodes, long-term cycling stability using a full cell is yet to be demonstrated. Here, we introduce Li[Ni0.90Co0.09Ta0.01]O2, which exhibits 90% capacity retention after 2,000 cycles at full depth of discharge (DOD) and a cathode energy density >850 Wh kg−1. In contrast, the currently most sought-after Li[Ni0.90Co0.09Al0.01]O2 cathode loses ~40% of its initial capacity within 500 cycles at full DOD. Cycling stability is achieved by radially aligned primary particles with [003] crystallographic texture that effectively dissipate the internal strain occurring in the deeply charged state, while the substitution of Ni3+ with higher valence ions induces ordered occupation of Ni ions in the Li slab and stabilizes the delithiated structure.

Suggested Citation

  • Un-Hyuck Kim & Geon-Tae Park & Byoung-Ki Son & Gyeong Won Nam & Jun Liu & Liang-Yin Kuo & Payam Kaghazchi & Chong S. Yoon & Yang-Kook Sun, 2020. "Heuristic solution for achieving long-term cycle stability for Ni-rich layered cathodes at full depth of discharge," Nature Energy, Nature, vol. 5(11), pages 860-869, November.
    • Handle: RePEc:nat:natene:v:5:y:2020:i:11:d:10.1038_s41560-020-00693-6
    DOI: 10.1038/s41560-020-00693-6
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    Cited by:

    1. Lv, Yao & Huang, Shifei & Zhao, Yufeng & Roy, Swagata & Lu, Xionggang & Hou, Yanglong & Zhang, Jiujun, 2022. "A review of nickel-rich layered oxide cathodes: synthetic strategies, structural characteristics, failure mechanism, improvement approaches and prospects," Applied Energy, Elsevier, vol. 305(C).
    2. Dong Hou & Zhengrui Xu & Zhijie Yang & Chunguang Kuai & Zhijia Du & Cheng-Jun Sun & Yang Ren & Jue Liu & Xianghui Xiao & Feng Lin, 2022. "Effect of the grain arrangements on the thermal stability of polycrystalline nickel-rich lithium-based battery cathodes," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    3. H. Hohyun Sun & Un-Hyuck Kim & Jeong-Hyeon Park & Sang-Wook Park & Dong-Hwa Seo & Adam Heller & C. Buddie Mullins & Chong S. Yoon & Yang-Kook Sun, 2021. "Transition metal-doped Ni-rich layered cathode materials for durable Li-ion batteries," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    4. Ke Chen & Pallab Barai & Ozgenur Kahvecioglu & Lijun Wu & Krzysztof Z. Pupek & Mingyuan Ge & Lu Ma & Steven N. Ehrlich & Hui Zhong & Yimei Zhu & Venkat Srinivasan & Jianming Bai & Feng Wang, 2024. "Cobalt-free composite-structured cathodes with lithium-stoichiometry control for sustainable lithium-ion batteries," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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