多晶(jing)硅(gui)(gui)太(tai)(tai)(tai)陽(yang)能(neng)(neng)板(ban)在制作多晶(jing)硅(gui)(gui)太(tai)(tai)(tai)陽(yang)能(neng)(neng)板(ban)時，回收(shou)太(tai)(tai)(tai)陽(yang)能(neng)(neng)組件(jian)，作為原料的(de)(de)高純硅(gui)(gui)不(bu)(bu)(bu)是(shi)拉成(cheng)單品，而(er)是(shi)熔化后澆鑄成(cheng)正(zheng)方(fang)龍日不(bu)(bu)(bu)同(tong)(tong)取向的(de)(de)晶(jing)硅(gui)(gui)錠，然后使用切割機切成(cheng)薄(bo)片，再加工(gong)成(cheng)電池。由(you)于(yu)硅(gui)(gui)片是(shi)由(you)多個不(bu)(bu)(bu)同(tong)(tong)大小、不(bu)(bu)(bu)同(tong)(tong)取向的(de)(de)晶(jing)粒構(gou)成(cheng)，因而(er)多晶(jing)硅(gui)(gui)太(tai)(tai)(tai)陽(yang)能(neng)(neng)板(ban)的(de)(de)轉換效率要比單晶(jing)硅(gui)(gui)太(tai)(tai)(tai)陽(yang)能(neng)(neng)板(ban)低(di)，規模(mo)化生(sheng)產的(de)(de)商品多晶(jing)硅(gui)(gui)太(tai)(tai)(tai)陽(yang)能(neng)(neng)板(ban)轉換效率七達(da)到16%～19%。由(you)于(yu)其(qi)制造成(cheng)本比較低(di)，所以近(jin)年來(lai)發(fa)展很快，生(sheng)產太(tai)(tai)(tai)陽(yang)能(neng)(neng)組件(jian)，已成(cheng)為產量和市場占有平有率的(de)(de)太(tai)(tai)(tai)陽(yang)電池。

光(guang)伏發(fa)電(dian)(dian)系統是由太(tai)陽(yang)(yang)(yang)能(neng)電(dian)(dian)池(chi)(chi)方陣，蓄電(dian)(dian)池(chi)(chi)組(zu)，充放電(dian)(dian)控(kong)制器，逆變器，交流(liu)配電(dian)(dian)柜，太(tai)陽(yang)(yang)(yang)跟蹤(zong)控(kong)制系統等設(she)備組(zu)成。其部分(fen)設(she)備的(de)作用(yong)是:電(dian)(dian)池(chi)(chi)方陣在(zai)有光(guang)照(無論是太(tai)陽(yang)(yang)(yang)光(guang)，還(huan)是其它(ta)發(fa)光(guang)體(ti)產生(sheng)的(de)光(guang)照)情況下(xia)，電(dian)(dian)池(chi)(chi)吸收光(guang)能(neng)，電(dian)(dian)池(chi)(chi)兩端(duan)出(chu)現異號電(dian)(dian)荷的(de)積(ji)累，即產生(sheng)'光(guang)生(sheng)電(dian)(dian)壓(ya)'，這就(jiu)是'光(guang)生(sheng)伏特1效應(ying)'。在(zai)光(guang)生(sheng)伏特1效應(ying)的(de)作用(yong)下(xia)，濰坊太(tai)陽(yang)(yang)(yang)能(neng)組(zu)件(jian)，太(tai)陽(yang)(yang)(yang)能(neng)電(dian)(dian)池(chi)(chi)的(de)兩端(duan)產生(sheng)電(dian)(dian)動勢，將光(guang)能(neng)轉(zhuan)換(huan)成電(dian)(dian)能(neng)，是能(neng)量轉(zhuan)換(huan)的(de)器件(jian)。太(tai)陽(yang)(yang)(yang)能(neng)電(dian)(dian)池(chi)(chi)一般為硅(gui)電(dian)(dian)池(chi)(chi)，分(fen)為單晶硅(gui)太(tai)陽(yang)(yang)(yang)能(neng)電(dian)(dian)池(chi)(chi)，太(tai)陽(yang)(yang)(yang)能(neng)組(zu)件(jian)原理(li)，多(duo)晶硅(gui)太(tai)陽(yang)(yang)(yang)能(neng)電(dian)(dian)池(chi)(chi)和非晶硅(gui)太(tai)陽(yang)(yang)(yang)能(neng)電(dian)(dian)池(chi)(chi)三(san)種。

光伏(fu)組(zu)件的(de)結構與分類1）接線盒(he)保護整個發電系統(tong)，起到電流中(zhong)轉站的(de)作用(yong)，如果組(zu)件短路接線盒(he)自動(dong)斷開短路電池(chi)串，防止燒壞整個系統(tong)接線盒(he)中(zhong)關(guan)鍵的(de)是二極(ji)管(guan)的(de)選用(yong)，根據(ju)組(zu)件內電池(chi)片的(de)類型(xing)不同(tong)，對(dui)應的(de)二極(ji)管(guan)也不相(xiang)同(tong)2）硅膠(jiao)密封(feng)作用(yong)，用(yong)來(lai)(lai)密封(feng)組(zu)件與鋁合(he)金(jin)邊框、組(zu)件與接線盒(he)交(jiao)界處有(you)些公司使用(yong)雙面膠(jiao)條(tiao)、泡(pao)棉來(lai)(lai)替代硅膠(jiao)，國內普(pu)遍使用(yong)硅膠(jiao)，工藝(yi)簡單，方便，易操作，而且(qie)成本很低。