Early car batteries were expensive and inefficient.

早期的汽车电池既昂贵又低效。

Alex is charging the car's battery.

因为亚力克斯正在将车子的电池充电。

That's because car batteries are expensive.

这是因为汽车的电池造价昂贵。

Installing a car battery is a simple procedure.

安装汽车电池是一个简单的程序。

Not yet. I'm charging the car's battery.

还不行，我正在帮车子的电池充电。

I thought we were inside your car battery, Rick.

我还以为我们在你的车电池里。

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?

When connected to an electrical source such as a car battery, the mixture hardens around the wire.

而后同汽车电池的等电源连接、导线周围的混合物变硬。

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。

The cathode of a typical electric car's battery would need tens of thousands of these interleaved fingers.

一个典型的电动车电池的负极需要上万个这样交错的指状物。

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。

This is the start of the supply chain leading all the way from this makeshift mine to your luxury battery powered car.

这是供应链的开始，从这个临时的矿场到你的豪华电池动力汽车。

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。