Battery cell assembly and battery

The utility model provides a battery cell assembly and a battery, and the battery cell assembly comprises a plurality of roll cores which are arranged at intervals along a first direction; the support frame is positioned between two adjacent roll cores; wherein the supporting frame is provided with a containing cavity, the containing cavity is formed in the side, facing the roll core, of the supporting frame, and at least part of the roll core is contained in the containing cavity. According to the battery cell assembly, the problem that a battery shell is broken due to swelling of the battery cell can be effectively avoided, and the safety performance of the battery is improved. 本实用新型提供一种电芯组件及电池，所述电芯组件包括：多个卷芯，沿第一方向间隔排列；支撑架，位于相邻两个所述卷芯之间；其中，所述支撑架设有容纳腔，所述容纳腔设置于所述支撑架朝向所述卷芯的一侧，所述卷芯至少部分容置于所述容纳腔内。本实用新型的电芯组件能够有效避免电芯鼓胀导致的电池外壳破裂问题，提高电池的安全性能。