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越“燃”越旺的比亚迪

比亚迪新能源车能够在国内市场保持如此强劲的动力

6月10日,比亚迪A股市值首次突破万亿,成为首家跻身万亿俱乐部的国产汽车品牌。与此同时,比亚迪在国内新能源汽车的销量榜单中保持高歌猛进的态势,唯一让比亚迪闹心的是,近来接连爆出的旗下新能源车自燃事件,将其推向舆论焦点。

人红是非多,“自燃”会让势如破竹的比亚迪慢下来吗?

01 新能源车“自燃率”约万分之四

5月31日,上海一位比亚迪·唐车主在微博反映,自己的车子在静置状态下自燃了。据车主描述,因为疫情,车子一直停在楼下,已经有2周没开过,自燃时,车子既没发动,也不在充电状态。根据小区监控,车子在早上5:10左右,从底部冒出白色浓烟,整个过程持续至少半小时。幸运的是,过程中并未见明火。车主告诉《IT时报》记者,目前正在跟比亚迪售后协商中,由于已经和厂商签署了相关协议,无法透露更多事件细节。

6月6日,广西贵港一辆比亚迪唐新能源车在路上起火;6月10日,比亚迪股价突破万亿当天,广西和广东两省,各发生一起自燃事件;6月12日,位于广东珠海市的银厦广场,疑似一辆比亚迪宋Pro DM-i发生起火事故⋯⋯据不完全统计,今年1月至5月,新闻媒体和网络平台能够看到的比亚迪新能源汽车自燃事件约42起。

据国家发改委介绍,2021年,我国新能源汽车保有量达到784万辆。国家消防总局的统计数据显示,2021年全年新能源汽车火灾共发生3000余起。如果以这两个数据为基础,可以估算出2021年新能源汽车火灾发生率在万分之三点八左右。但由于火灾的成因包括交通事故等多种原因,实际自燃引发火灾的概率其实很难估算。

图源:国家消防总局

5月13日,国家消防总局公布了我国新能源汽车第一季度火灾发生数为640起。也就是说,平均下来,每天新能源汽车相关的火灾近7起。

数据显示,比亚迪在中国新能源车市场占有率超过25%,按此估算,比亚迪新能源车自燃事故数量恐超过媒体报道的42起。

02 生态优势助推销量暴增

6月14日,在“中国这十年”系列主题新闻发布会上,工业和信息化部副部长辛国斌在介绍中国工业和信息化发展成就时指出,十年来,中国制造业增加值全球占比提升至30%,新能源汽车产销连续7年全球居首。

2022年1月,比亚迪凭借92788辆车的销量领跑国内新能源汽车市场。3月,比亚迪国内新能源汽车销量进一步提升到103229辆,越过10万辆大关。今年5月,比亚迪以114183 辆的销量,刷新了自己的月度交付量新高。

为何比亚迪新能源车能够在国内市场保持如此强劲的动力?江西新能源科技职业学院新能源汽车技术研究院院长张翔认为,比亚迪的成功主要来自于其生产、销售、资金和技术上的雄厚实力。

相比于其他造车新势力,比亚迪作为一个综合性的集团,拥有的工厂数量多,规模大,产能也更加充足;加上庞大的销售网络,配合其雄厚的资金基础和强大的技术实力,能够帮助比亚迪在新能源汽车的制造和研发上拥有更多的主动权。

今年疫情期间,特斯拉和“蔚小理”普遍遭遇到了供应链的问题,但比亚迪由于自身生产电池和汽车芯片相关组件,一定程度上帮助他们规避了风险。张翔说:“因此,在今年电池原材料上涨和缺芯的影响下,比亚迪能够逆势上扬。”

与销量一起飙升的,是比亚迪的股价。6月6日,比亚迪市值重新站上9000亿元大关,距离万亿市值仅一步之遥;6月7日,随着比亚迪集团执行副总裁廉玉波“官宣”比亚迪将给特斯拉供应电池,比亚迪的全球市值一路飙升,超过大众集团,位列特斯拉丰田之后,排名全球车企市值第三。三天后,比亚迪顺利跻身“万亿俱乐部”。

一位股民见证了比亚迪股价半年来的狂飙突进。她告诉《IT时报》记者,自己于1年前购买了比亚迪的股票,如今股票盈利率已经超过100%。

03 “刀片电池”并非100%安全

“比亚迪汽车自燃之所以引发关注,主要原因在于这些事故发生频次比较集中,还涉及一些新车型,问题就比较棘手。”一名资深汽车产品质量技术专家介绍说,新能源车对安全事故的评级可以分成三个等级:故障报警类的为最初级;系统识别出故障后,因功能受限造成的功能降级、安全冗余为第二级;最严重的,是绕开了汽车监控系统,突发性的冒烟、燃烧、爆炸等风险,为最高级,“这类事故的危险性在于你既不能提前获得预警,也无法对危险发生的情况进行掌控,因而它造成的危害要远大于其他两类”。

截至目前,比亚迪并未针对可知案例进行公开说明。比亚迪选择三缄其口,原因可能和电池有关。

2020年3月29日“刀片电池”发布会上,比亚迪集团董事长兼总裁王传福表示:“刀片电池体现了比亚迪彻底终结新能源汽车安全痛点的决心,它将重新定义新能源汽车的安全标准,搭载刀片电池的新能源汽车将把‘自燃’这个词从新能源汽车的字典中彻底抹掉。”但在最近发生自燃事故的车辆中,不少都装载着刀片电池。

图源:BYD

在上述专家看来,视频中汽车冒烟、起火、燃烧等现象,可以确定汽车自燃时伴随着大量内能释放,由此推测,起火的原因或与汽车电池相关。“刀片电池所用的磷酸铁锂正极材料的确相对安全,但这并不能代表其他的制程环节、装配环节、制造环节、品控环节不会出现问题。”

04 新产线的“阵痛”

4月底,比亚迪向国家市场监督管理总局备案了召回计划。决定自2022年4月29日起,召回2021年9月2日至2022年3月14日生产的部分唐DM车型电动汽车,共计9663辆。召回原因为部分车辆的动力电池包托盘由于制造原因,托盘透气阀安装面不平整,有进水风险。这可能造成动力电池系统电气回路故障,极端情况下有引起动力电池热失控的风险,存在安全隐患。

从召回车辆的生产时间段来看,这个时候比亚迪的产线也正处于调整之中。4月3日,比亚迪正式宣布,自2022年3月起,全面放弃燃油车生产,全力生产新能源汽车。比亚迪董事长秘书李黔在解释这一决策的时候就指出,放弃燃油车生产的其中一个原因在于比亚迪电动汽车供不应求,产能不够,需要把燃油车的空间腾出来给电动车。其实,2021年比亚迪就已基本完成全部面向新能源车的产品线和生产线转型,停产燃油车早已箭在弦上。

尽管制造问题是否由于产线调整带来的阵痛还未可知,但业内人士普遍认为,长期来看,这并不会给比亚迪带来太大影响。

申港证券在其一份《汽车行业研究周报》中表示,汽车行业随着疫情好转和各项刺激政策加持,行业触底反弹态势明朗,景气度持续回升,未来产销有望持续向上。

红塔证券也在一份公司研究报告中认为,总体来说随着比亚迪产品布局不断巩固和完善,其在国内新能源汽车市场的竞争力将有望持续保持领先地位,而在目前新能源汽车终端市场景气度仍然较高的情况下,比亚迪将更好地享受行业发展红利。