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    Research on Overdischarge Lithium-Ion Battery Based on X-Ray Computed Tomography

    Source: Journal of Electrochemical Energy Conversion and Storage:;2022:;volume( 020 ):;issue: 004::page 41004-1
    Author:
    Xiaofan, Zhang
    ,
    Lifu, Li
    ,
    Shengqian, Li
    DOI: 10.1115/1.4056271
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Overdischarge is one of the main factors of lithium-ion battery failure, due to the inconsistency of lithium-ion battery in pack. However, the failure mechanism remains unclear. This article introduces the X-ray computed tomography (CT) to explore the gas production and copper dissolution of lithium battery during overdischarge state. From tomographic images in two different cross-sectional directions, the internal structure changes of bulge deformation and copper deposition are observed to quantitatively analyze the relationship between copper deposition and overdischarge state of charge. The position distribution is analyzed by density distribution feature, which indicate that the gas production is mainly distributed in the middle of the battery, and the copper deposition is distributed around the outer side. The experimental result shows that X-ray CT is a nondestructive, quantitative, visual, and effective way to study the internal structure and material distribution of the overdischarge battery, so as to effectively monitor the state of the lithium-ion battery, to avoid dangerous problems such as internal short circuits and thermal runaway.
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      Research on Overdischarge Lithium-Ion Battery Based on X-Ray Computed Tomography

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4294538
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    • Journal of Electrochemical Energy Conversion and Storage

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    contributor authorXiaofan, Zhang
    contributor authorLifu, Li
    contributor authorShengqian, Li
    date accessioned2023-11-29T19:02:37Z
    date available2023-11-29T19:02:37Z
    date copyright12/5/2022 12:00:00 AM
    date issued12/5/2022 12:00:00 AM
    date issued2022-12-05
    identifier issn2381-6872
    identifier otherjeecs_20_4_041004.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4294538
    description abstractOverdischarge is one of the main factors of lithium-ion battery failure, due to the inconsistency of lithium-ion battery in pack. However, the failure mechanism remains unclear. This article introduces the X-ray computed tomography (CT) to explore the gas production and copper dissolution of lithium battery during overdischarge state. From tomographic images in two different cross-sectional directions, the internal structure changes of bulge deformation and copper deposition are observed to quantitatively analyze the relationship between copper deposition and overdischarge state of charge. The position distribution is analyzed by density distribution feature, which indicate that the gas production is mainly distributed in the middle of the battery, and the copper deposition is distributed around the outer side. The experimental result shows that X-ray CT is a nondestructive, quantitative, visual, and effective way to study the internal structure and material distribution of the overdischarge battery, so as to effectively monitor the state of the lithium-ion battery, to avoid dangerous problems such as internal short circuits and thermal runaway.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleResearch on Overdischarge Lithium-Ion Battery Based on X-Ray Computed Tomography
    typeJournal Paper
    journal volume20
    journal issue4
    journal titleJournal of Electrochemical Energy Conversion and Storage
    identifier doi10.1115/1.4056271
    journal fristpage41004-1
    journal lastpage41004-7
    page7
    treeJournal of Electrochemical Energy Conversion and Storage:;2022:;volume( 020 ):;issue: 004
    contenttypeFulltext
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