Application prog ress of metallurgical characterization techniques for Al/Cu laser weld of automotive battery

理化检验在汽车电池铝/铜激光焊接中的应用进展 Application prog ress of metallurgical characterization techniques for Al/Cu laser weld of automotive battery 孔德群 KONG Dequn 1 first-author 董晓萌 DONG Xiaomeng 2 周建 ZHOU Jian 1 周晓炜 ZHOU Xiaowei 1 来振华 LAI Zhenhua 1 corresp laizhh@bbac.com.cn 北京奔驰汽车有限公司新能源研发与试验认证部 北京奔驰汽车有限公司新能源研发与试验认证部 Department of NEV,LABS,Homol.,Beijing Benz Automotive Co.,Ltd. Department of NEV,LABS,Homol.,Beijing Benz Automotive Co.,Ltd. 北京奔驰汽车有限公司质量管理部 北京奔驰汽车有限公司质量管理部 Department of Quality Management,Beijing Benz Automotive Co.,Ltd. Department of Quality Management,Beijing Benz Automotive Co.,Ltd. 从体视学观察、金相检验、硬度试验、拉伸试验等常规破坏性理化检验技术方面,综述了国内外新能源汽车动力电池制造行业中模组件Al/Cu异种金属材料激光焊接冶金学表征技术与方法的应用进展。对于新能源汽车动力电池制造行业而言,这些检验指标尚待形成统一执行的国际、国家或行业标准规范。 The application progress of metallurgical characterization techniques in Al/Cu dissimilar laser weld for power battery modules in new energy vehicle industries at home and abroad were reviewed,from the aspects of conventional destructive test,such as stereological observation,metallogra-phic examination,hardness testing and tensile testing. In the manufa-cturing industry of power battery for new energy vehicles,these inspection indexes still need to form a unified international,national or industry standard. 新能源汽车 动力电池 激光焊接 冶金 材料表征 new energy vehicle power battery laser weld metallurgy material characterization TM912;TG456.7 2022-03-08 6 51