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[Analysis Case] Evaluation of the Internal Structure of Cylindrical Lithium-Ion Batteries Using X-ray CT

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[Analysis Case] Evaluation of the Internal Structure of Cylindrical Lithium-Ion Batteries Using X-ray CT

img_C0721_1.jpg
img_C0721_1.jpg img_C0721_2.jpg

Non-destructive measurement of the distance between electrodes inside batteries and defect investigation is possible.

X-ray CT allows for non-destructive observation of internal structures and dimensional measurements of products. This document presents a case study of a cylindrical lithium-ion battery (φ14mm×H50mm). X-rays were sufficiently transmitted from the outer casing to the interior electrodes, and initially, a wide-area observation was conducted to confirm the three-dimensional structure of the entire battery. Subsequently, by performing magnified observations on specific areas, we identified voids within the positive electrode, foreign substances between the positive and negative electrodes, and disturbances in the electrode layers. Additionally, measurements of the inter-electrode distance were conducted from the obtained cross-sectional images. Measurement method: X-ray CT Product field: Secondary batteries Analysis purpose: Shape evaluation, failure analysis, defect analysis, product investigation For more details, please download the document or contact us.

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[Analysis Case] Evaluation of the Internal Structure of Cylindrical Lithium-Ion Batteries Using X-ray CT_C0721

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