GM通用汽车_锂离子电池从电芯到pack焊接技术介绍_Cai_Wayne.pdf

Analysis of Li-Ion Battery Joining Technologies* 圈 Wayne Cai, Ph.D. 池 Manufacturing Systems Research Laboratory 电 General Motors Global RD Center Warren, MI, USA 源 wayne.cai@ 能 International Battery Seminar and Exhibit 新 March 21, 2017 * W. Cai, B. Kang, and S.J. Hu, (2017), Ultrasonic Welding of Lithium-Ion Batteries, ASME Press * W. Cai, (2016), Lithium-ion Battery Manufacturing for Electric Vehicles: A Contemporary Overview, in Advances in Battery Manufacturing, Service, and Management Systems (eds J. Li, S. Zhou and Y. Han), John Wiley Sons, Inc., Hoboken, NJ, USA. Outline 1. BATTERY ELECTRIC VEHICLES 2. LI-ION BATTERY CELLS, MODULES AND PACKS 1) Formats of Li-ion Battery Cells 2) Battery Modules and Pack 圈 3. JOINING TECHNOLOGIES FOR BATTERIES 1) Ultrasonic Metal Welding 池 2) Resistance Welding 3) Laser Beam Welding 电 4) Wire-bonding 5) Mechanical Joining level dnoceS 源 4. BATTERY MANUFACTURING: THE INDUSTRIAL LANDSCAPE 能 1) Cell Manufacturing 新 2) Module Assembly (Cell-to-Cell) 3) Pack Assembly (Module-to-Module) 5. CONCLUSIONS W. Cai 2 1. Battery Electrical Vehicle Landscape 圈 池 电