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为什么新能源车续航里程纷纷过了500km，车主还是觉得“太短”？
步入2019年，很多人会发现新上市的新能源车续航里程都在不断提高，400km已经成为了主流产品的参数，而大于500km的车型日益增多，甚至出现了更高的数字。这看起来对消费者来说是件好事，但实际情况则是，绝大多数车主对新能源车的续航依然不满意，并且有更多人因此不愿放弃购买燃油车。
通常一台中型车加满油能跑的里程大约也是500km，到了电动车这儿就行不通，乍一看有些说不过去。毕竟厂家致力于提高续航里程，甚至把它当成了铺垫盖地的宣传点，这更是无可厚非，因为消费者的痛点就在这里。新能源市场刚起步的时候，受电池技术、造车技术与充电环境制约，电动车续驶里程不长，实用性不强，竞争力弱是不争事实。那么，到了以高续航为卖点的现在呢？
来了解一下动力电池行业的现状，镍氢电池面临淘汰，铅酸电池全凭保有量仍存在，以锂电池最为主流。因为是装载在汽车上，因此还要考虑诸多方面的因素。比如电池的能量密度、电池的寿命和电池的稳定性等等。
如我们上面所说，尽管厂家公布了与燃油车相同的续航里程，但实际情况是，由于电池能量密度难以突破，车企仅能在电池节数上下功夫，一款续航里程在500km左右的纯电动汽车，仅电池重量就已近1吨，这与一满箱汽油的重量丝毫不成正比。如果续航里程提高的代价就是电池重量的成倍增长，那算上车身自重，就不难理解为什么续航依然不足了，更不必说每逢冬夏还要开空调这么大的消耗。
抛开车辆自重问题，充电速度呢？目前电动车的充电功率仅有快充慢充之分，与电池型号和大小并无关系，续航高也就意味着充电时间久。所以除非是有大段的空白时间，比如晚上回家等，大部分人会选择使用快充模式，目前厂家标榜的30分钟快充，基本都是由30%-80%，剩下的阶段为了保护充电安全，不得不降低速度，总体算下来，平均充电时间大概还在2-3个小时，自然远没有加油速度快。
说到充电，那就不得不提到充电桩，其实我国充电桩行业发展速度确实很快，从几公里找不到一处，变成了常见设施，可见为了适应新能源的发展，充电桩的投放速度也在与日俱增。不过，制约充电桩数量增长的原因也不少，尤其是盈利困难这一项，而好不容易克服了前期困难，后期的运营维护成本又是一大笔开销，中下游公司财力难支，上游企业又利润微薄，导致坏桩的现象也不少。
因此，关于续航里程，并不是最长就能决定一切，重点还在于电池能量密度的突破，或者是找到比锂电池更合适当动力电池的稳定材料，不过这也并非一朝一夕的功夫，在此前提下，但愿配套基础设施的发展能更进一步。
原创文章，作者：cesifu，如若转载，请注明出处：http://www.cesifu.com/article/62475.html
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