Analysis of Manufacturing-Induced Defects and Structural Deformations in Lithium-Ion Batteries Using Computed Tomography

Yi Wu, Saurabh Saxena, Yinjiao Xing, Youren Wang, Chuan Li, Winco K. C. Yung and Michael Pecht
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Yi Wu: College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
Saurabh Saxena: Center for Advanced Life Cycle Engineering (CALCE), University of Maryland, College Park, MD 20742, USA
Yinjiao Xing: Center for Advanced Life Cycle Engineering (CALCE), University of Maryland, College Park, MD 20742, USA
Youren Wang: College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
Chuan Li: National Research Base of Intelligent Manufacturing Service, Chongqing Technology and Business University, Chongqing 400067, China
Winco K. C. Yung: Department of Industrial and System Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China
Michael Pecht: Center for Advanced Life Cycle Engineering (CALCE), University of Maryland, College Park, MD 20742, USA

Energies, 2018, vol. 11, issue 4, 1-22

Abstract: Premature battery drain, swelling and fires/explosions in lithium-ion batteries have caused wide-scale customer concerns, product recalls, and huge financial losses in a wide range of products including smartphones, laptops, e-cigarettes, hoverboards, cars, and commercial aircraft. Most of these problems are caused by defects which are difficult to detect using conventional nondestructive electrical methods and disassembly-based destructive analysis. This paper develops an effective computed tomography (CT)-based nondestructive approach to assess battery quality and identify manufacturing-induced defects and structural deformations in batteries. Several unique case studies from commercial e-cigarette and smartphone applications are presented to show where CT analysis methods work.

Keywords: lithium-ion battery; failure analysis; X-ray computed tomography; CT scan; battery defects (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (10)

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