Igwe ọkụ anyanwụ bụ otu n'ime ihe ndị kachasị mkpa na usoro mmepụta ike anyanwụ.Ọrụ ya bụ ịtụgharị ike anyanwụ ka ọ bụrụ ike eletrik, wee wepụta ọkụ eletrik DC iji chekwaa na batrị.Ọnụ ọgụgụ ntụgharị ya na ndụ ọrụ bụ ihe dị mkpa iji chọpụta ma cell anyanwụ nwere uru.
A na-ejikọta mkpụrụ ndụ anyanwụ na arụmọrụ dị elu (karịa 21%) monocrystalline silicon solar cell iji hụ na ike zuru oke sitere na mbara igwe.A na-eme iko ahụ nke obere iko suede na-ekpo ọkụ (nke a makwaara dị ka iko ọcha), nke nwere ihe karịrị 91% n'ime ogologo ntụgharị nke nzaghachi spectral cell cell, ma nwee mmetụta dị elu maka ìhè infrared karịa 1200 nm.N'otu oge ahụ, iko ahụ nwere ike iguzogide radieshon nke ìhè ultraviolet nke anyanwụ na-enweghị ibelata nnyefe.EVA nakweere ihe nkiri EVA dị elu nke nwere ọkpụrụkpụ nke 0.78mm agbakwunyere ya na onye na-ahụ maka ultraviolet, antioxidant na onye na-agwọ ọrịa dị ka onye na-emechi sel nke anyanwụ na onye na-ejikọta ya n'etiti iko na TPT, nke nwere nnukwu nnyefe na ikike ịka nká.
Ihe mkpuchi azụ nke TPT anyanwụ cell - ihe nkiri fluoroplastic na-acha ọcha, nke na-egosipụta ìhè anyanwụ, ya mere arụmọrụ nke modul ahụ dị ntakịrị mma.N'ihi nnukwu ikuku infrared dị elu, ọ nwekwara ike ibelata okpomọkụ na-arụ ọrụ nke modul ahụ, ọ na-emekwa ka ọ dịkwuo mma iji melite arụmọrụ nke modul.The aluminum alloy frame eji maka etiti nwere nnukwu ike na ike n'ibu mmetụta iguzogide.Ọ bụkwa akụkụ kasị baa uru nke usoro mmepụta ike anyanwụ.Ọrụ ya bụ ịtụgharị ike radieshon anyanwụ ka ọ bụrụ ike eletrik, ma ọ bụ zipu ya na batrị nchekwa maka nchekwa, ma ọ bụ kwalite ọrụ ibu.
Ụkpụrụ na-arụ ọrụ nke Igwe ọkụ anyanwụ
Igwe ọkụ anyanwụ bụ ngwaọrụ semiconductor nke nwere ike gbanwee ike ọkụ ozugbo ka ọ bụrụ ike eletrik.Ihe mejupụtara ya bụ isi ihe mejupụtara ya bụ semiconductor PN junction.N'iji silicon PN cell solar cell dị ka ihe atụ, a na-atụle ngbanwe nke ike ọkụ n'ime ọkụ eletrik n'ụzọ zuru ezu.
Dị ka anyị niile maara, ihe ndị nwere ọnụ ọgụgụ buru ibu nke free na-akpụ akpụ chaja particles na dị mfe na-eduzi ugbu a na-akpọ conductors.N'ozuzu, ọla bụ ndị nduzi.Dị ka ihe atụ, conductivity nke ọla kọpa bụ banyere 106/(Ω. cm).Ọ bụrụ na a na-etinye voltaji nke 1V n'elu ebe abụọ kwekọrọ na cube ọla kọpa 1cm x 1cm x 1cm, ihe dị ugbu a nke 106A ga-asọba n'etiti elu abụọ ahụ.N'akụkụ nke ọzọ bụ ihe ndị siri ike na-eduzi ugbu a, nke a na-akpọ insulators, dị ka ceramics, mica, griiz, roba, wdg. Dị ka ihe atụ, conductivity nke quartz (SiO2) bụ banyere 10-16 / (Ω. cm). .Semiconductor nwere conductivity n'etiti onye nduzi na insulator.Ya conductivity bụ 10-4 ~ 104 / (Ω. cm).Semiconductor nwere ike ịgbanwe conductivity ya na oke dị n'elu site n'ịgbakwunye obere ihe adịghị ọcha.Nrụgharị nke semiconductor dị ọcha ga-abawanye nke ọma site na ịrị elu okpomọkụ.
Semiconductors nwere ike ịbụ ihe ndị dị ka silicon (Si), germanium (Ge), selenium (Se), wdg;Ọ nwekwara ike ịbụ ngwakọta, dị ka cadmium sulfide (Cds), gallium arsenide (GaAs), wdg;Ọ nwekwara ike ịbụ alloy, dị ka Ga, AL1 ~ XA, ebe x bụ nọmba ọ bụla n'etiti 0 na 1. Ọtụtụ ihe eletriki eletrik nke semiconductor nwere ike ịkọwa site na ihe nlereanya dị mfe.Nọmba atọm nke silicon bụ 14, yabụ enwere elektrọn 14 n'èzí oghere atọm.N'ime ha, 10 electrons dị n'ime oyi akwa na-ejikọta ya na oghere atomic, ebe 4 electrons dị n'elu oyi akwa na-adịchaghị ejikọta site na atomic nucleus.Ọ bụrụ na enwetara ike zuru oke, enwere ike kewapụ ya na nucleus atomic wee ghọọ electrons n'efu, na-ahapụ oghere n'ọnọdụ mbụ n'otu oge ahụ.Electrons na-na-adịghị mma na oghere na-akwụ ụgwọ nke ọma.Eletrọn anọ dị na mpụta oyi akwa nke silicon nucleus ka a na-akpọkwa valence electrons.
Na kristal silicon, enwere atọm anọ dị n'akụkụ gburugburu atọm ọ bụla yana elektrọn valence abụọ nwere atom ọ bụla dị n'akụkụ, na-eme shei 8-atom kwụsiri ike.Ọ na-ewe ike 1.12eV iji kewaa elektrọn na atom silicon, nke a na-akpọ oghere silicon band.Eletrọn ndị ahụ kewara ekewa bụ electrons conduction n'efu, nke nwere ike ịgagharị n'enweghị ihe ọ bụla ma nyefee ugbu a.Mgbe elektrọn si na atom gbapụ, ọ na-ahapụ ohere, nke a na-akpọ oghere.Electrons sitere na atom dị n'akụkụ nwere ike imeju oghere ahụ, na-eme ka oghere ahụ si n'otu ọnọdụ gaa na nke ọhụrụ, si otú ahụ na-emepụta ugbu a.Ihe dị ugbu a na-emepụta site na ntinye nke electrons bụ ihe a na-emepụta ugbu a mgbe oghere nke ọma na-aga n'akụkụ nke ọzọ.
Oge nzipu: Jun-03-2019