蜂巢能源发布龙鳞甲电池,磷酸铁锂版续航超800公里,已获两家汽车公司量产定点原创2022-12-16 09:54·界面新闻12月15日,蜂巢能源在第三届电池日上发布新一代动力电池系统化解决方案龙鳞甲电池。这套电池方案在提升安全性同时具备长续航优势,其中磷酸铁锂版本续航能力超过800公里。蜂巢能源董事长兼CEO杨红新介绍,和常规电池包中电芯的防爆阀设计在顶部不同,龙鳞甲电池的短刀电芯防爆阀位于底部,一旦发生某个电芯热失控可快速实现定向泄压,喷发物可按指定方向、通过很短的通道迅速排出,不蔓延至周边电芯。同时,在电池包层级,龙鳞甲电池采取先进的“热-电分离”设计,让热失控泄压区与电源传送区各自独立,可以降低热失控时内部高压拉弧、打火的失效概率,提升电池包的安全性。续航能力方面,蜂巢能源龙鳞甲电池采用更高能量密度的磷酸铁锂电芯,并通过优化内部系统结构,采用磷酸铁锂电芯的龙鳞甲电池系统体积成组效率提升至76%,续航超过800公里。采用高锰铁镍电芯和三元电芯的续航里程则分别超过900公里和1000公里。对于汽车公司而言,龙鳞甲电池的突出优势是有效降低动力电池生产和采购成本。今年以来,整车公司饱受动力电池成本上涨的困扰。按照长安汽车董事长朱华荣据估计,今年动力电池成本超过整车成本40%以上,严重影响产物效益的发展,对公司经营造成极大波动。其中,长安汽车增加了5千到3万5的单车成本。杨红新指出,龙鳞甲电池一是减少了20%的结构件,为电池包减重10至20公斤,可以直接降低物料成本,提升生产效率和整车续航里程;二是可以兼容从A00至C级系列车型,为汽车制造商缩短新车型研发周期,形成规模化效应,降低采购成本。目前,龙鳞甲电池开始接受全球预定,并将在明年实现量产。杨红新透露,龙鳞甲电池的量产定点车型包括包括2023年10月份量产的一款SUV和一款轿跑。作为由长城汽车孵化的动力电池公司,蜂巢能源寻求开拓外供比例。界面新闻了解到,蜂巢能源的定点客户包括长城、吉利、东风、零跑、岚图、小鹏、理想、光束、赛力斯、合众新能源等多家整车厂。根据中国汽车动力电池产业创新联盟发布数据,蜂巢能源位居11月国内动力电池公司装车量排行榜第7位,市场份额占比1.73%。此次发布会上,蜂巢能源还发布了高锰铁镍和纳米网硅负极相关技术。前者成本可控且能量密度较磷酸铁锂更高一筹,预计量产时间在2024年;后者是为高能量密度电池提出的负极技术方案,容量高寿命长,将率先在大圆柱电芯上实现应用。根据蜂巢能源递交科创板的IPO招股书显示,2019年至2021年蜂巢能源研发费用占营业收入比例为20.71%,累计研发投入金额近15亿元。去年蜂巢能源营收44.7亿元,净亏损11.5亿元,为连续第三年亏损。今年上半年,公司营收37.3亿元,再度亏损8.9亿元。蜂巢能源称,为满足产能扩充需求,公司持续追加生产设备等资本性投入,固定成本规模较高。在产能爬坡初期、产销规模相对有限的情况下公司处于亏损状态,符合行业特点。据2021年蜂巢能源披露,规划在2025年实现600 GWh电池产能。若以每辆新能源车搭载50 KWh电量计算,600 GWh的动力电池可配套1200万辆新能源车。蜂巢能源已在常州、保定、泰州、南京、马鞍山等城市建有生产基地,并在盐城、上饶等地新建或计划开展生产基地建设。为拉动营收增长,蜂巢能源首次在品牌发布会上宣布在储能领域布局,开启“动力电池+储能电池”双轮驱动战略,并将已经初步成型的生态链被命名为蜂窝生态。
2024年12月22日,当这二者碰撞在一起总会发生一些离谱的事情。
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味道基本和店里没区别
这个问题,说到底源于我们对"主持"这一职业的定位不同。如果我们将之理解为一种纯粹的事业,追求所谓"专业"化标准的话,恐怕反而会陷入形式主义、做作的误区。快跟晨小编一起来看看
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2024-07-13 17:36·直(Zhi)播(Bo)吧(Ba)
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