ICS43.140 Y14 团 体 标 准 T/BBIA8—2023 电动自行车用钠离子电池和电池组 技术规范 Technicalspecificationofsodiumioncellsandbatteriesforelectricbicycle 2023-08-30发布 2023-09-30实施 北京市自行车电动车行业协会发布 全国团体标准信息平台 全国团体标准信息平台 T/BBIA8—2023 I目  次 前言.................................................................................III 1范围.................................................................................1 2规范性引用文件.......................................................................1 3术语和定义...........................................................................1 4符号.................................................................................2 5试验条件.............................................................................2 5.1试验环境条件.......................................................................2 5.2测量仪器、仪表精确度...............................................................2 5.3测试用充电程序.....................................................................2 5.4测试用放电程序.....................................................................2 5.5试验项目及样品.....................................................................3 6一般要求.............................................................................4 6.1外观要求...........................................................................4 6.2外形尺寸...........................................................................5 6.3充放电接口.........................................................................5 6.4标识...............................................................................5 7电性能要求...........................................................................6 7.1初始容量...........................................................................6 7.2倍率放电...........................................................................6 7.3低温充电...........................................................................6 7.4低温放电...........................................................................6 7.5高温放电...........................................................................6 7.6常温荷电保持能力及恢复能力.........................................................7 7.7高温荷电保持能力及恢复能力.........................................................7 7.8长期贮存后荷电恢复能力.............................................................7 7.9循环寿命...........................................................................8 8电池安全试验.........................................................................8 8.1过充电.............................................................................8 8.2过放电.............................................................................8 8.3强制放电...........................................................................8 8.4外部短路...........................................................................8 8.5针刺...............................................................................9 8.6热滥用.............................................................................9 9电池组安全试验.......................................................................9 9.1强制放电...........................................................................9 9.2外部短路...........................................................................9 9.3挤压..............................................................................10 9.4低气压............................................................................11 9.5温度循环..........................................................................11 全国团体标准信息平台 T/BBIA8—2023 II9.6机械冲击..........................................................................11 9.7振动..............................................................................11 9.8自由跌落..........................................................................12 9.9模制外壳应力......................................................................12 9.10外壳承受压力.....................................................................12 9.11提手强度.........................................................................13 9.12浸水..................