Early car batteries were expensive and inefficient.

早期的汽车电池既昂贵又低效。

That's because car batteries are expensive.

这是因为汽车的电池造价昂贵。

But car batteries, who's pushing for them to last longer?

但对于汽车用电池而言, 谁能争取让它们续航时间更长?

They're known for having similar properties and are mostly used in magnets, catalysts and hybrid car batteries.

众所周知，它们具有相似的性能，主要用于磁铁、催化剂和混合动力的汽车电池。

I thought Why not car batteries? There's loads of cars out there, they're pretty readily available.

我想到汽车电池有何不可? 满世界都是大量的汽车, 电池无处不在。

Castillo and others with no electricity charge their school-issued computers with car batteries or at a family member's house.

卡斯蒂略和其他家里没电的学生用汽车电池给学校发的电脑充电，或到其它家庭成员的家里充电。

The band hopes to deploy the world's first tour battery system, made from 40 repurposed BMW electric car batteries.

该乐队希望布置世界上第一个巡演电池系统，该系统由40个宝马电动汽车电池改装而成。

It hopes to financially gain from the mining for minerals that are used in technologies such as electric car batteries.

该公司希望从用于电动汽车电池等技术的矿物开采中获利。

But breakthroughs in electric car batteries are on the horizon. A new lithium-ion battery replaces graphite with silicon. That's sand.

但电动车电池的突破就在眼前。一种新型锂离子电池用硅可以用于取代石墨——沙子。

Parts used to build the ventilators include the motor of a small car device, car batteries and sets of oxygen pumps.

用于制造呼吸机的零件包括一个小汽车的发动机，汽车电池和几组氧气泵。

The study centered on the creation of electric power and did not look at the materials used in electric car batteries.

这项研究的重点是电力创造，而不是电动汽车电池所用的材料。

What that means, if this works, is that a stretch of the street would charge car batteries while the vehicles drove over it.

这意味着，如果行得通的话，当车辆在这条街道上行驶时，车辆电池能够得到充能。

CBMM said there is a lot of potential for expanding the use of niobium in applications such as car batteries and other products.

该公司还表示，扩大铌的应用还有很大的潜力，比如汽车电池等产品。

We do home visits. We've jumped dead car batteries.

我们做家访。我们跳过了没电的汽车电池。

To be truly competitive, car batteries would have to store much more energy without adding cost.

为了真正具有竞争力，汽车电池必须在不增加成本的情况下储存更多的能量。

They're known for having similar properties and are mostly used in magnets, catalysts or in hybrid car batteries.

它们以具有相似的特性而闻名，主要用于磁铁、催化剂或混合动力汽车电池。

So you take these radars and put them on the ice sheet and you bury a cache of car batteries.

所以你把这些雷达放在冰盖上，然后埋下一堆汽车电池。

The idea, known as deep-sea mining, could provide the metals like copper, nickel and cobalt which are needed for the green technology used in electric car batteries and other renewable energy.

这个被称为深海采矿的想法可以提供铜、镍和钴等金属， 这些金属是用于电动汽车电池和其他可再生能源的绿色技术所必需的。

But it's not just for fitness trackers. By 2025, Sila plans to sell car batteries that will extend electric vehicles range of travel 40% before needing recharging and without adding weight.

但这种电池不仅仅是为了运动手环设计的。到2025年，Sila计划销售汽车电池，在充电时长不变、和不增加重量的情况下，将电动汽车的续航能力延长40%。

Lead is mainly used for electronics now, such as in car batteries, and in the past it was used for water pipes and to store food.

铅现在主要用于电子产品，例如汽车电池，过去它被用于水管和储存食物。