Battery diagnosis, Current distribution, Fault-simulated batteries, Li-ion batteries, Magnetic-field imaging.
Table Of Contents
Ⅰ. Introduction 1.1. Principles of Li-ion batteries 1 1.2. Securing Battery Safety 2 1.3. Possible Scenarios of Li-ion batteries Failure 3 1.4. Diagnosing the Cell: Battery Visualization 5 1.5. Magnetic Field Imaging (MFI) 11 1.6. Research Goals 17
Ⅱ. Experimental Method 2.1. MFI measurement setup 19 2.2. Current distribution map imaging 18 2.3. Electrochemical measurements 20 2.4. Li-ion pouch cell assembly with different tab designs 20 2.5. Computational method 22
Ⅲ. Results and discussion 3.1 Current flow patterns for Li-ion pouch cells 24 3.2 MFI study of fault-simulated batteries (FSBs) 29 3.3 Magnetic field interference MFI measurement 34
IV. Concluding Remark 37 References 39 Summary in Korean 44