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碳纤维电池可使电动汽车的续航里程增加 70%Sep 13, 2024 am 06:25 AM
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在瑞典哥德堡查尔姆斯理工大学展示的电池能量密度并不令人印象深刻。研究人员取得了每公斤略低于 33.4 瓦时的值。这仅相当于传统锂离子电池的三分之一。

但是,寿命肯定可以跟上竞争对手。充电1000次后,设计的能效仍然接近初始值。

此外,压力测试中还测试了完全不同的东西。毕竟,电池是由碳纤维复合材料制成的。阳极由原始碳纤维制成。阴极由涂有磷酸铁锂的碳纤维制成。

稳定性至关重要

这使得整个电池从始至终都具有巨大的强度,研究人员将其与类似形状的铝的稳定性进行了比较。碳纤维电池不仅可以起到储存能量的作用,还可以作为整体结构的一部分。

这也解释了配备它的电动汽车范围的潜在飞跃。如果能够将足够的承重部件设计为碳纤维电池,那么车辆本身的重量至少不会增加。

此外,利用这一原理,电动汽车整体上可以变得更轻。这同样适用于智能手机和笔记本电脑。电池将取代铝或塑料框架,成为承重元件。

诚然:能量密度仍然需要增加。即使一辆配备内燃机的典型汽车的总重量为 1,400 公斤(3,000 磅),目前也只能产生 47 千瓦时的容量,许多电动汽车已经超过了这一数字。

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