随着太阳转动的太阳能电池的原理是什么?

它是由哪些原件组装成的呢,使它随光转动
2024-11-22 20:58:47
推荐回答(4个)
回答1:

太阳能电池板本身不具备随着太散乱握陪改阳转动的能力,而是适用了能够旋转的支架和光电感应回路,使得太阳能电池板的支架,能够随着太阳的转动而转动。这种冲庆支架带有电机。

回答2:

感光元件,太阳垂直照射时光照度最强,电池板左右摆动,找到光照度最强的点定下来。

回答3:

你不用再做试尘数验,在十几年前,德国一所大学的大学生已经做过试验,只要在某一角度,太阳能电池无需转动所发电量与转动垂直太阳是一样的。
如果只是探究原理,只要用放大镜前面加滤光片,判断焦点是否在光敏电阻上就派乎首行。你找一下,“用光敏顷磨电阻控制电灯开关”的电路图就是了。

回答4:

太阳能电池是一种能直接把太阳光转化为电的电子器件。入射到电池的太阳光通过同时产生电流和电压的形式来产生电能。太阳能电池能量转换的基础是半导体PN结的光生伏打效应。
当光照射到半导体光伏器件上时,能量大于硅禁带宽度的光子穿过减反射膜进入硅中,在N区、耗尽区、P区中激发出光生电子空穴对。
(1)在耗尽区外:光照产生的电子空穴对,由于没有内建电场的作用,并且多子浓度基本上不受光照效应的影响,所以在光照下,少子浓度增加,会产生的扩散电流。
(2)P区内:由于耗尽层靠近P区边缘的电子浓度较低,所以P区内光照产生的光生电子(少子)会扩散进入耗尽区,再流入N型区,光生空穴(多子)留在P区;
(3)N区内:光照产生的光生空穴(少猜悄子)会扩散进入耗尽区,进而再流入P型区,光生电子(多子)留在N区。耗尽层内的漂移电流、P区的电子扩散电流、N区空穴扩散电流的总和就是―光生电流‖。在P-N结两侧形成了正、负电荷的积累,使N区储存了过剩的电子,P区有过剩的空穴,从而形成与内建电场方向相反的光生电场。光生电场除了部分抵消内建电场的作用外,还使P区带正电,N区带负电,在山兆羡N区和P区之间的薄层就产生了电动势,逗拍这就是光生伏打效应。

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