Battery airtightness detection device and method

The invention provides a battery airtightness detection device and method, and belongs to the technical field of battery manufacturing. The battery airtightness detection device comprises a detection box, an air exhaust assembly and a first detection assembly. The detection box is provided with a containing cavity used for containing a to-be-detected battery. The air exhaust assembly is connected with the detection box and is used for exhausting air in the accommodating cavity; and the first detection assembly is connected with the detection box and is used for detecting the content of volatile organic compounds in the gas in the accommodating cavity before the air tightness of the to-be-detected battery is detected. 本申请提供一种电池气密性检测装置及方法，属于电池制造技术领域。电池气密性检测装置包括检测箱、抽气组件和第一检测组件。检测箱具有容纳腔，容纳腔用于放置待测电池；抽气组件与检测箱连接，用于将容纳腔内的气体抽出；第一检测组件与检测箱连接，用于在对待测电池进行气密性检测之前对容纳腔内的气体中的挥发性有机物的含量进行检测。