蔚来ET7电池
- 蔚来今天正式宣布发布75kWh三元铁锂电池包,不仅在电芯配置上使用了三元锂电芯和[{"content":"蔚来今天正式宣布发布75kWh三元铁锂电池包,不仅在电芯配置上使用了三元锂电芯和磷酸铁锂电芯混搭,也具备了两者的优势。\n\n它针对磷酸铁锂电池低温性能不佳的特点做了很多技术优化,低温续航损失降低25%,包括:\n\n● 双体系控制算法:\n独创的双体系算法,根据三元和铁锂电池低温特性进行模型化控制,经过多轮标定,有效提升了低温下电池系统的能量使用效率,保证低温性能。\n\n● 耦合电池产热智能热管理:\n根据电池低温下内阻升高的特性,开发电池的产热模型,结合整车的热管理,动态调整电池控制目标,达到能耗最小与驾驶体验的平衡,提升低温性能。\n\n● 全散热路径物理阻隔:\n电池包整包所有散热路径进行热量流通分析,根据大数据分析得出极冷天气下的热量损失来源,运用低导热材料及创新的结构设计,在所有路径上的关键结合点进行热量阻隔设计,有效提升驻车时电池的温度,避免电池温度低带来的能量损失。\n\n● 辐射式主动热补偿:\n在长时间极低温环境下,主动开启辐射加热系统,兼顾电池能耗和温度均匀性,保证电池快速达到最优工作温度。12小时极冷环境下,电池最低温度提升40%,温度均匀性提升60%。\n\n●精准的双体系SoC估算法\n三元锂和磷酸铁锂在不同区间精度不同,用三元锂作为标尺,实时校准磷酸铁锂在平台段的SoC;在高低段利用磷酸铁锂的优势,校准三元锂的SoC,为此开发了双体系SoC算法,充分利用三元铁锂双体系的优势,将传统铁锂SoC计算误差从10%降低到3%。\n\n●新一代CTP技术\n由单个电池单体直接组成电池包。电池包体积利用率提升5%,同体系能量密度提升14%,制造装配简化10%。[_LinkTopic:蔚来的75度电,40487,37]","height":0,"order":1,"type":1,"width":0},{"height":1058,"note":"","order":2,"path":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/09/23/3da157b5af13424da49eb53fffc4effc_1080_0_max_jpg_92.jpg","type":2,"width":2000},{"height":1062,"note":"","order":3,"path":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/09/23/da9781748fbf47ef9045a1c51ccdd973_1080_0_max_jpg_92.jpg","type":2,"width":2000},{"height":1064,"note":"","order":4,"path":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/09/23/076c853d328b4acdb6a0557d62fd8aa3_1080_0_max_jpg_92.jpg","type":2,"width":2000},{"height":1054,"note":"","order":5,"path":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/09/23/34dd448ed94e4558adac9c3dbfe83e8e_1080_0_max_jpg_92.jpg","type":2,"width":2000},{"height":568,"note":"","order":6,"path":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/09/23/388f189ed1194ebc9ef69595282f2e80_1080_0_max_jpg_92.jpg","type":2,"width":1000},{"height":589,"note":"","order":7,"path":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/09/23/09697de7c8d943b9a1b24a4036c32234_1080_0_max_jpg_92.jpg","type":2,"width":1000},{"height":577,"note":"","order":8,"path":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/09/23/ae87cfa9ee4045cea457d5114ecbc006_1080_0_max_jpg_92.jpg","type":2,"width":1000},{"height":577,"note":"","order":9,"path":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/09/23/17f752ee766d4288a5d4e30bf3abc54f_1080_0_max_jpg_92.jpg","type":2,"width":1000},{"height":1033,"note":"","order":10,"path":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/09/23/5174a637da624035b26e44ae3ddcd89b_1080_0_max_jpg_92.jpg","type":2,"width":1954}] 查看详情>>
- 下定ET7了,等待150度电池今年1月提了红旗EHS9,现在再下定一台ET7给老婆开,开了纯电车真的再开不回燃油车了呀。 查看详情>>
- 蔚来ET 7是使用什么样的电池?[{"content":"蔚来ET 7这款车是使用什么样的电池?安全性能高吗!","height":0,"order":1,"type":1,"width":0}] 查看详情>>
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