Abstract: As the core component of new energy vehicles, the quality and performance stability of power batteries are crucial for vehicle safety, and sealing detection is an important link in the production process of power batteries. The article searches for patents on battery sealing detection technology in electric vehicles, analyzing the patent application situation of battery sealing detection technology in electric vehicles from multiple dimensions such as application trend, regional distribution and main applicants, in order to provide reference for patent strategies and research directions of enterprises or related research institutions in this field.

Key words: New energy vehicles; Battery; Sealing detection; Patent analysis

摘要： 动力电池作为新能源汽车的核心部件，其质量和性能的稳定性对于车辆的安全至关重 要，密封检测是动力电池生产过程中的重要环节。文章对全球电车中电池密封检测技术的专 利进行检索，从申请趋势、地域分布、主要申请人等多个维度，分析电车中电池密封检测技 术领域专利申请情况，以期为该领域中的企业或相关科研院校的专利战略和研发方向提供参 考。

关键词: 新能源汽车；电池；密封检测；专利分析