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Approaching the capacity limit of lithium cobalt oxide in lithium ion batteries via lanthanum and aluminium doping

Author

Listed:
  • Qi Liu

    (Argonne National Laboratory
    Argonne National Laboratory
    City University of Hong Kong)

  • Xin Su

    (Argonne National Laboratory)

  • Dan Lei

    (Huawei Technologies)

  • Yan Qin

    (Argonne National Laboratory)

  • Jianguo Wen

    (Argonne National Laboratory)

  • Fangmin Guo

    (Argonne National Laboratory)

  • Yimin A. Wu

    (Argonne National Laboratory)

  • Yangchun Rong

    (Argonne National Laboratory)

  • Ronghui Kou

    (Argonne National Laboratory)

  • Xianghui Xiao

    (Argonne National Laboratory)

  • Frederic Aguesse

    (Argonne National Laboratory)

  • Javier Bareño

    (Argonne National Laboratory)

  • Yang Ren

    (Argonne National Laboratory)

  • Wenquan Lu

    (Argonne National Laboratory)

  • Yangxing Li

    (Huawei Technologies)

Abstract

Lithium cobalt oxides (LiCoO2) possess a high theoretical specific capacity of 274 mAh g–1. However, cycling LiCoO2-based batteries to voltages greater than 4.35 V versus Li/Li+ causes significant structural instability and severe capacity fade. Consequently, commercial LiCoO2 exhibits a maximum capacity of only ~165 mAh g–1. Here, we develop a doping technique to tackle this long-standing issue of instability and thus increase the capacity of LiCoO2. La and Al are concurrently doped into Co-containing precursors, followed by high-temperature calcination with lithium carbonate. The dopants are found to reside in the crystal lattice of LiCoO2, where La works as a pillar to increase the c axis distance and Al as a positively charged centre, facilitating Li+ diffusion, stabilizing the structure and suppressing the phase transition during cycling, even at a high cut-off voltage of 4.5 V. This doped LiCoO2 displays an exceptionally high capacity of 190 mAh g–1, cyclability with 96% capacity retention over 50 cycles and significantly enhanced rate capability.

Suggested Citation

  • Qi Liu & Xin Su & Dan Lei & Yan Qin & Jianguo Wen & Fangmin Guo & Yimin A. Wu & Yangchun Rong & Ronghui Kou & Xianghui Xiao & Frederic Aguesse & Javier Bareño & Yang Ren & Wenquan Lu & Yangxing Li, 2018. "Approaching the capacity limit of lithium cobalt oxide in lithium ion batteries via lanthanum and aluminium doping," Nature Energy, Nature, vol. 3(11), pages 936-943, November.
  • Handle: RePEc:nat:natene:v:3:y:2018:i:11:d:10.1038_s41560-018-0180-6
    DOI: 10.1038/s41560-018-0180-6
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    Cited by:

    1. Maria Mechili & Christos Vaitsis & Nikolaos Argirusis & Pavlos K. Pandis & Georgia Sourkouni & Antonis A. Zorpas & Christos Argirusis, 2022. "Research Progress in Metal-Organic Framework Based Nanomaterials Applied in Battery Cathodes," Energies, MDPI, vol. 15(15), pages 1-30, July.
    2. Miao Bai & Xiaoyu Tang & Min Zhang & Helin Wang & Zhiqiao Wang & Ahu Shao & Yue Ma, 2024. "An in-situ polymerization strategy for gel polymer electrolyte Si||Ni-rich lithium-ion batteries," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    3. Su, Laisuo & Choi, Paul & Nakamura, Nathan & Charalambous, Harry & Litster, Shawn & Ilavsky, Jan & Reeja-Jayan, B., 2021. "Multiscale operando X-ray investigations provide insights into electro-chemo-mechanical behavior of lithium intercalation cathodes," Applied Energy, Elsevier, vol. 299(C).
    4. Gang Sun & Fu-Da Yu & Mi Lu & Qingjun Zhu & Yunshan Jiang & Yongzhi Mao & John A. McLeod & Jason Maley & Jian Wang & Jigang Zhou & Zhenbo Wang, 2022. "Surface chemical heterogeneous distribution in over-lithiated Li1+xCoO2 electrodes," Nature Communications, Nature, vol. 13(1), pages 1-10, December.

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