So, excess cobalt could cause iron deficiency, excess copper could deplete zinc and so on.

因此过量的钴会导致铁的缺乏，过量的铜会导致锌缺乏，等等。

Things like nitrogen, phosphorus, even gold, lithium, cobalt, all types of metals.

比如氮，磷，甚至金，锂，钴，所有类型的金属。

Now we've eliminated 90 percent of the cobalt.

现在们已经消除了百分之九十的钴。

We arrive at the Musonoi river mine where the cobalt ore is washed to grind it down.

们到达了Musonoi河矿，那里的钴矿被洗去磨碎。

That form of cobalt is toxic.

那种形式的钴是有毒的。

That, in turn, means a lot of cobalt, copper, lithium and nickel with which to build them.

反过来，这也意味们需要大量的钴、铜、锂和镍来它们。

The recovered cobalt can be reused, meaning fresh new batteries could potentially be made from old ones.

回收的钴可以重复使用，这意味有可能用旧电出新电。

They then applied a magnetic field which, thanks to cobalt's ferromagnetic nature, arranged the particles into thin columns.

然后，根据钴的铁磁性，他们应用一个磁场把这些粒子“安置”到了薄薄的柱子中。

Nor is it certain that cobalt mining will even be all that important in car-battery technology going forward.

也不确定钴矿在未来的汽车电技术中是否会如此重要。

The glaze was mixed with metal oxides containing copper iron and cobalt, resulting in an array of different colours.

釉面与含有铜、铁和钴的金属氧化物混，产生了一系列不同的颜色。

We couldn't prove where exactly the dirty cobalt enters the international supply chain but we witnessed that it does.

们无法证明肮脏的钴在何处进入国际供应链，但们目睹了它的存在。

This is where the cobalt is bought by brokers.

这就是经纪人购买钴的地方。

And as demand for essential cobalt soars, it`s children like this little boy who are paying the real price.

随对必需钴的需求激增，像这个小男孩这样的孩子正在付出真正的代价。

Altismal cobalt output tripled and the fear is even more children are being pressed into labor.

高度不足的钴产量增加了三倍，更令人担心的是更多的儿童被迫进入劳动力市场。

If you take batteries we used to use a lot of cobalt in our original lithium ion high energy batteries.

如果你拿电来说，们过去在最初的锂离子高能电中使用了大量的钴。

It`s not just electric cars that utilize significant amounts of cobalt.

不仅仅是使用大量钴的电动汽车。

This is what the big brand names who source their cobalt from Congo believe govern their supply.

这就是那些从刚果获得钴的大品牌，相信他们的供应。

I`m going to jump into this car that`s headed to one of the main, public selling cobalt depots.

要跳进这辆车，它正驶向一个主要的，公开出售钴矿的仓库。

Mining enough cobalt is a concern for battery manufacturers.

开采足够的钴是电商关心的问题。

This year, the price of cobalt has more than doubled.

今年，钴的价格上涨了一倍多。