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Journal of Inorganic Materials, Volume. 37, Issue 8, 918(2022)

Multi-scale Failure Behavior of Cathode in Lithium-ion Batteries Based on Stress Field

Ying CHEN1... Weiling LUAN1,*, Haofeng CHEN1,2,* and Xuanchen ZHU2 |Show fewer author(s)
Author Affiliations
  • 11. Key Laboratory of Power Battery Systems and Safety (CPCIF), Key Laboratory of Pressure Systems and Safety (MOE), School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China
  • 22. Department of Mechanical & Aerospace Engineering, University of Strathclyde, Glasgow G11XJ, UK
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
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    References (21)
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    Figures & Tables(8)
    Multi-scale damage of NCM523 after electrochemical cycles
    1. Multi-scale damage of NCM523 after electrochemical cycles

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    Schematic illustration of active particle during the lithiation/ delithiation process
    2. Schematic illustration of active particle during the lithiation/ delithiation process

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    Crack initiation and propagation of active particle of diameter of 3 μm under the current density of 0.37 A/m2[17]
    3. Crack initiation and propagation of active particle of diameter of 3 μm under the current density of 0.37 A/m2[17]

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    Integrated fracture criteria diagram for NCM particles[17]
    4. Integrated fracture criteria diagram for NCM particles[17]

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    SEM images of NCM cathode after cyclic charging- discharging test
    5. SEM images of NCM cathode after cyclic charging- discharging test

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    (a) Schematic illustration of electrode during the lithiation/ delithiation process, whereby NCM active layer being coated on the Al current collector, and (b) boundary condition and the load applied to electrode during the lithiation stage[20]
    6. (a) Schematic illustration of electrode during the lithiation/ delithiation process, whereby NCM active layer being coated on the Al current collector, and (b) boundary condition and the load applied to electrode during the lithiation stage[20]

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    Shakedown and ratcheting limit curves of NCM material with varying thickness of 10, 20 and 30 µm[20]
    7. Shakedown and ratcheting limit curves of NCM material with varying thickness of 10, 20 and 30 µm[20]

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    (a) Contour map of plastic strain range and ratcheting strain of NCM active layer of 20 µm thickness for load point (1,1) and (b) picture of NCM cathode before (left) and after (right) cyclic charging-discharging test[20]
    8. (a) Contour map of plastic strain range and ratcheting strain of NCM active layer of 20 µm thickness for load point (1,1) and (b) picture of NCM cathode before (left) and after (right) cyclic charging-discharging test[20]

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    Ying CHEN, Weiling LUAN, Haofeng CHEN, Xuanchen ZHU. Multi-scale Failure Behavior of Cathode in Lithium-ion Batteries Based on Stress Field[J]. Journal of Inorganic Materials, 2022, 37(8): 918

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    Paper Information

    Category: RESEARCH ARTICLE

    Received: Dec. 20, 2021

    Accepted: --

    Published Online: Jan. 10, 2023

    The Author Email: LUAN Weiling (luan@ecust.edu.cn), CHEN Haofeng (haofeng.chen@ecust.edu.cn)

    DOI:10.15541/jim20210777

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology