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新能源	锂锂矿锂化合物金属锂镍镍矿镍铁精炼镍镍盐高冰镍 MHP 钴电解钴钴粉氯化钴四氧化三钴硫酸钴钴中间品氧化钴碳酸钴钴酸锂锰锰矿电解锰电池级硫酸锰锂电正负极三元前驱体磷酸铁正极材料石油焦针状焦包覆沥青人造石墨硅碳负极硅氧负极电解液隔膜隔膜电解液电芯

不起火、不爆炸！电动汽车电池新国标来了！

2025-04-15 19:12:42 来源：澎湃新闻责任编辑：管理员

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近日，工业和信息化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）由国家市场监督管理总局、国家标准化管理委员会批准发布，将于2026年7月1日起开始实施。

据了解，该标准的单体测试项目新增修订了快充循环后安全，电池包或系统测试项目新增修订了热扩散、底部撞击。

相比2020年版国家标准，新修订的版本提高了技术要求，热扩散测试从“着火、爆炸前5分钟提供热事件报警信号”，修改为“不起火、不爆炸（仍需报警），烟气不对乘员造成伤害”。

新国家标准还新增底部撞击测试，考查电池底部受到撞击后的防护能力，要求无泄漏、外壳破裂、起火或爆炸现象，且满足绝缘电阻要求。

新增快充循环后安全测试项目中，300次快充循环后进行外部短路测试，要求不起火、不爆炸。

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