And that's all because of a process known as redox chemistry.

这些都是因为一个叫氧化还原的过程。

Each cable connects two separate halves of a redox reaction.

每条电缆连接两个单独的一半氧化还原反应。

So, in this case, the hydrogen sulfide could have lost electrons in a redox reaction.

因此，在这种情况下，硫化氢可能在氧化还原反应中失去了电子。

And like carbon fixation it's also a redox reaction.

像碳固定一样， 它也是一种氧化还原反应。

In our case, there's another type of reaction necessary called a redox reaction.

在我们的例子中， 还有另一种必要的反应， 称为氧化还原反应。

Either way you might have noticed something important: this is a redox reaction!

无论哪种方式， 您可能已经注意到一些重要的事情：这是氧化还原反应！

Like in this case, the culprit could have been a redox reaction, in which electrons get transferred between two or more compounds.

像这种情况一样，罪魁祸首可能是氧化还原反应，在这种反应中，电子在两种或多种化合物之间转移。

Specifically, they are oxidation or redox reactions, the ones where electrons are exchanged.

具体来说，它们是氧化或氧化还原反应， 即交换电子的反应。

If you were listening, you learned that electrochemical reactions are redox reactions that we describe in terms of half reactions.

如果你在听，你就会知道电化学反应是我们用半反应来描述的氧化还原反应。

Part of what makes redox reactions so powerful, and powerfully excellent, is that they are complicated.

氧化还原反应之所以如此强大、如此出色， 部分原因在于它们很复杂。

Which is generally defined as an apparatus that generates electrical energy from a redox reaction.

这通常被定义为从氧化还原反应中产生电能的装置。

Let's start with a typical redox reaction that happens in this alkaline battery as an example.

让我们以这种碱性电池中发生的典型氧化还原反应为例。

Now I gotta point out here that the electrical potential of a redox reaction is related to its equilibrium constant.

现在我要在这里指出， 氧化还原反应的电势与其平衡常数有关。

When an electric current is applied, a redox reaction occurs in the solution and atoms of the coating metal are deposited on the cathode.

当施加电流时， 溶液中会发生氧化还原反应，涂层金属的原子会沉积在阴极上。

I've told you about redox reactions before and if you haven't seen that episode yet, you should probably go watch that before you watch this.

我之前已经告诉过你有关氧化还原反应的信息， 如果你还没有看过那一集，你应该在看这个之前先看看那个。

But before any redox reaction can be used to text your boyfriend or girlfriend or whatever, we need to know how much voltage it can generate.

但是在任何氧化还原反应可以用来给你的男朋友或女朋友发短信之前，我们需要知道它能产生多少电压。

When we discussed it as a redox reaction a few weeks ago, we described it as a one way, complete reaction because that's all we needed to understand right then.

几周前，当我们将其作为氧化还原反应进行讨论时，我们将其描述为一种单向、完全的反应， 因为这就是我们当时需要了解的全部内容。