Defect Inspection of Lithium Battery Electrode Coating via Bright and Dark Field Scanning Imaging Techniques

Ting Xu; Dahang Wan; Zhiting Zou; Yinfei Pan; Zongling Pan

doi:10.3788/LOP202259.1810006

[1] Song Y H, Yang Y X, Hu Z C. Present status and development trend of batteries for electric vehicles[J]. Power System Technology, 35, 1-7(2011).

[2] Jin T X. Current situation of power lithium ion battery[J]. Advanced Materials Industry, 72-74(2010).

[3] Zhao B Y. Coating technology and equipment for lithium ion electrodes[J]. Battery Bimonthly, 30, 56-58(2000).

[4] Hu Y H. Research on defect detection of lithium battery electrode sheet based on machine vision[D](2015).

[5] Han L, Lu W Z, Liu Y M et al. A study and discussion on defects classification of electrode coating of Li-ion power battery[J]. Applied Mechanics and Materials, 380/381/382/383/384, 4364-4367(2013).

[6] Yang D J, Lou J N. Review of lithium ion battery and its online testing technologies[J]. Chinese Journal of Power Sources, 42, 1402-1403, 1419(2018).

[7] Wang L. Defect detecting and classification system of the lithium battery pole piece based on machine vision[D](2020).

[8] Davydova N V, Finders J, McNamara J et al. Fundamental understanding and experimental verification of bright versus dark field imaging[J]. Proceedings of SPIE, 11517, 115170P(2020).

[9] Zhang H Y, Liu A D. Line-scan imaging system based on the linear array TDI-CCD camera[J]. Optics & Optoelectronic Technology, 4, 49-52(2006).

[10] Lu R S, Wu A, Zhang T D et al. Review on automated optical (visual) inspection and its applications in defect detection[J]. Acta Optica Sinica, 38, 0815002(2018).

[11] Shi C K. Research on digital LED lighting controller in machine vision[D](2010).

[12] Li Q, Zeng S G, Zheng S et al. Machine vision based detection method for surface crack of ceramic tile[J]. Laser & Optoelectronics Progress, 57, 081004(2020).

[13] Fleiss J L, Cohen J. The equivalence of weighted kappa and the intraclass correlation coefficient as measures of reliability[J]. Educational and Psychological Measurement, 33, 613-619(1973).