太阳能电池板工作原理及工艺介绍英语视频

 

中文字幕:

地球劫获的太阳能足有173000太瓦,这可是地球所有人使用的能量总和的1万倍,那么人类有可能完全依赖太阳能吗?

为了回答这个问题,我们首先要了解太阳能电池板是如何把太阳能转化成电能的,太阳能板由一个一个更小的单元组成称为太阳能电池片。

最常见的太阳能电池片是用硅制作的,它是一种半导体,也是地球储量第二丰富的元素,在太阳能电池片中,结晶硅被夹在导体层中,每个硅原子都和其临近原子通过四个强化学键结合,他们将电子束缚住,因此没有电流可以流通,

接下来的关键,一个硅太阳能电池片有两层不同的硅 N型硅中的电子有盈余,而P型则有额外的位置来存放电子,称作空穴,在这两种硅的交界处 电子可以越过P/N结,在一侧产生一个正电荷,在另一侧产生负电荷。

英文字幕:

The earth’s solar commandeered full 173000 terawatts, but the total energy of all the earth 10 thousand times, so it is possible for human beings to rely entirely on solar energy?

To answer this question, we first need to understand how solar panels convert solar energy into electricity. Solar panels consist of a smaller unit called a solar cell.

The most common solar cells are made from silicon, it is a kind of semiconductor, the earth is rich in reserves of second elements, solar cells, silicon sandwiched in the conductor layer, each silicon atom and its neighboring atoms through four strengthening integrated electronic key, they will stay, so no the current can flow,

The next key, a silicon solar cell electronic two layers of different silicon N type silicon in surplus, while type P has additional location to store electrons, called the hole at the junction of the two electronic silicon P/N junction can be crossed, produced a positive charge on the side, negative the charge on the other side.

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