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工信部组织制定的强制性国家标准《电动汽车用动力蓄电池安全要求》（GB38031-2025）日前发布，将于2026年7月1日起开始实施。

本次修订内容主要有修订热扩散测试，进一步明确待测电池温度要求、上下电状态、观察时间、整车测试条件，技术要求从此前的着火、爆炸前5分钟提供热事件报警信号等，调整为不起火、不爆炸（仍需报警），烟气不对乘员造成伤害等；新增底部撞击测试，考查电池底部受到撞击后的防护能力；新增快充循环后安全测试，300次快充循环后进行外部短路测试，要求不起火、不爆炸等。

此外，修订版本明确本标准适用于电动汽车用动力电池，即非驱动类电池不适用；完善绝缘电阻要求，增加包含交流电路电池系统绝缘电阻要求；提升挤压测试要求，增加绝缘电阻相关判定条件。

来源：工信部微信公众号

编辑：翁彬冰

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电动汽车电池新国标公布

2025-04-16 10:33 福视悦动

工信部组织制定的强制性国家标准《电动汽车用动力蓄电池安全要求》（GB38031-2025）日前发布，将于2026年7月1日起开始实施。

来源：工信部微信公众号

编辑：翁彬冰