{"id":3429,"date":"2022-09-05T03:42:09","date_gmt":"2022-09-05T03:42:09","guid":{"rendered":"https:\/\/sunketpower.com\/?p=3429"},"modified":"2023-01-17T05:12:11","modified_gmt":"2023-01-17T05:12:11","slug":"sunket-hjt-solar-panel-advantages-practical-application-analysis","status":"publish","type":"post","link":"https:\/\/wxsunket.com\/ro\/sunket-hjt-solar-panel-advantages-practical-application-analysis\/","title":{"rendered":"Avantajele panoului solar Sunket HJT \u0219i analiza aplica\u021biilor practice"},"content":{"rendered":"<h6>Prefa\u021b\u0103: trecutul \u0219i prezentul celulelor fotovoltaice \u2013 sf\u00e2r\u0219itul erei de tip P, \u00eenceputul erei de tip N<\/h6>\n<p>Industria celulelor fotovoltaice apar\u021bine la mijlocul lan\u021bului industriei fotovoltaice \u0219i este realizat\u0103 din plachete de siliciu prin cur\u0103\u021bare, texturare \u0219i al\u021bi pa\u0219i. Panourile fotovoltaice genereaz\u0103 tensiune \u0219i curent sub lumin\u0103, permi\u021b\u00e2nd generarea de energie fotovoltaic\u0103, \u00een esen\u021b\u0103 similar\u0103 cu produc\u021bia de semiconductori de gam\u0103 joas\u0103.<\/p>\n<p>Conform diferitelor materii prime \u0219i tehnologiei de preparare a celulelor, celulele fotovoltaice pot fi \u00eemp\u0103r\u021bite \u00een celule de tip P \u0219i celule de tip N. Plachetele de siliciu de tip P sunt realizate prin doparea borului din materiale siliconice; Plachetele de siliciu de tip N sunt realizate prin doparea materialelor din siliciu cu elemente de fosfor. Tehnologia de preg\u0103tire a bateriei de tip P are tehnologia tradi\u021bional\u0103 AL-BSF (backfield din aluminiu) \u0219i PERC. Exist\u0103 multe tehnologii de preg\u0103tire a bateriilor de tip N, inclusiv PERT\/PERL, TOPCon, IBC \u0219i HJT (heterojonc\u021biune).<\/p>\n<p>2015 este primul an de transformare a tehnologiei celulelor fotovoltaice. \u00cenainte de 2015, bateriile BSF erau curentul principal, reprezent\u00e2nd 90% din pia\u021ba total\u0103. \u00cen 2015, PERC a finalizat verificarea comercializ\u0103rii, iar eficien\u021ba produc\u021biei \u00een mas\u0103 a bateriei a dep\u0103\u0219it blocajul BSF p\u00e2n\u0103 \u00een 20% pentru prima dat\u0103 \u0219i a intrat oficial \u00een etapa de expansiune. \u00cen urm\u0103torii doi ani, odat\u0103 cu progresul tehnologiei PERC, \u00eembun\u0103t\u0103\u021birea eficien\u021bei \u0219i reducerea costurilor f\u0103r\u0103 siliciu, beneficiile economice ale celulelor PERC au fost reflectate. \u00cen 2018, cota de pia\u021b\u0103 a celulelor PERC a ajuns la 33%, iar apoi capacitatea de produc\u021bie a crescut exploziv. P\u00e2n\u0103 \u00een 2020, cota de pia\u021b\u0103 a crescut la 87%, care practic a dep\u0103\u0219it celulele BSF, dar limita de eficien\u021b\u0103 a celulelor PERC este de 24,5%. Eficien\u021ba actual\u0103 de conversie a celulelor PERC este aproape de limit\u0103, a\u0219a c\u0103 pentru a reduce costurile \u0219i a cre\u0219te eficien\u021ba, companiile de baterii trebuie s\u0103 caute din nou descoperiri tehnologice.<\/p>\n<p>2021 este punctul de cotitur\u0103 al transform\u0103rii tehnologiei bateriilor. Ceea ce urm\u0103re\u0219te industria fotovoltaic\u0103 este reducerea costurilor \u0219i cre\u0219terea eficien\u021bei. Datorit\u0103 eficien\u021bei lor ridicate de conversie, bateriile de tip N au intrat treptat \u00een scen\u0103 \u0219i au fost acceptate de oameni. Conform datelor ISFH, eficien\u021ba limit\u0103 teoretic\u0103 a celulelor PERC, HJT \u0219i TOPCon sunt 24.5%, 27.5% \u0219i, respectiv, 28.7%.<\/p>\n<p>\u00cen ansamblu, bateriile din aluminiu BSF au fost curentul de baz\u0103 \u00eenainte de 2017, iar bateriile PERC au \u00eenlocuit aproape complet bateriile din aluminiu backfield din 2017. Cu toate acestea, deoarece celula PERC actual\u0103 s-a apropiat de eficien\u021ba limit\u0103 teoretic\u0103 de 24.5%, spa\u021biul de \u00eembun\u0103t\u0103\u021bire este limitat. . Dup\u0103 2021, bateriile de tip N vor \u00eencepe s\u0103 se dezvolte rapid, dominate de TOPCon \u0219i HJT, care se afl\u0103 \u00een prezent \u00een stadiul incipient al comercializ\u0103rii pe scar\u0103 larg\u0103. Poten\u021biala rut\u0103 tehnic\u0103 viitoare include \u0219i celule tandem HBC \u0219i perovskite, care sunt echivalente cu upgrade-uri dup\u0103 combinarea cu HJT, astfel \u00eenc\u00e2t eficien\u021ba conversiei s\u0103 poat\u0103 realiza un alt salt.<\/p>\n<h2>Ce este HJT<\/h2>\n<p>O celul\u0103 solar\u0103 este un dispozitiv care utilizeaz\u0103 efectul fotovoltaic pentru a converti energia solar\u0103 \u00een energie electric\u0103, iar miezul s\u0103u este o jonc\u021biune PN semiconductoare. Folosind diferite procese de dopaj, semiconductorul de tip P \u0219i semiconductorul de tip N sunt fabricate pe acela\u0219i substrat semiconductor (de obicei siliciu sau germaniu) prin difuzie, iar la interfa\u021ba lor se formeaz\u0103 o regiune de \u00eenc\u0103rcare spa\u021bial\u0103 numit\u0103 jonc\u021biune PN. Jonc\u021biunea PN are conductivitate unidirec\u021bional\u0103, o proprietate utilizat\u0103 de multe dispozitive din tehnologia electronic\u0103.<\/p>\n<p>Heterojunction (HIT) este o jonc\u021biune PN special\u0103, care este format\u0103 din siliciu amorf \u0219i materiale de siliciu cristalin. Este un fel de baterie de tip N prin depunerea unei pelicule de siliciu amorf pe siliciu cristalin. Bateria HIT (Heterojunction with Intrinsic Thinfilm) a fost dezvoltat\u0103 pentru prima dat\u0103 cu succes de Sanyo \u00een Japonia \u00een 1990. Deoarece HIT a fost \u00eenregistrat\u0103 ca marc\u0103 comercial\u0103 de c\u0103tre Sanyo, este numit\u0103 \u0219i HJT, HDT sau SHJ. Perioada de protec\u021bie a brevetului Sanyo a expirat \u00een 2015, iar tehnologia HJT a \u00eenceput s\u0103 fie pe deplin promovat\u0103.<\/p>\n<h2>Care sunt avantajele HJT \u00een compara\u021bie cu panourile solare tradi\u021bionale?<\/h2>\n<p>Fiind o tehnologie matur\u0103 a celulelor solare, tehnologia heterojonc\u021biei s-a dovedit pe scar\u0103 larg\u0103 c\u0103 ofer\u0103 o eficien\u021b\u0103 mai mare, o performan\u021b\u0103 mai bun\u0103 \u0219i o stabilitate practic\u0103 a produsului mai fiabil\u0103. \u00cen compara\u021bie cu alte tehnologii cu celule solare, heterojonc\u021biile au o eficien\u021b\u0103 de produc\u021bie mai mare, procese mai simple \u0219i mai pu\u021bine etape de produc\u021bie dec\u00e2t alte tehnologii cu celule. Celulele heterojonc\u021bii sunt celule naturale cu dou\u0103 fe\u021be, iar culoarea celulei este mai stabil\u0103 \u0219i mai controlabil\u0103.<\/p>\n<ol>\n<li>F\u0103r\u0103 fenomen PID: Deoarece suprafa\u021ba superioar\u0103 a bateriei este TCO, \u00eenc\u0103rcarea nu va genera polarizare pe TCO de pe suprafa\u021ba bateriei \u0219i nu exist\u0103 nici un fenomen PID. \u00cen acela\u0219i timp, \u0219i datele experimentale au confirmat acest lucru. Aplica\u021bia tehnic\u0103 \u0219i perspectiva celulelor solare heterojonc\u021bii<\/li>\n<li>Proces de fabrica\u021bie la temperatur\u0103 sc\u0103zut\u0103: temperatura de procesare a tuturor proceselor bateriei HJT este mai mic\u0103 de 250, ceea ce evit\u0103 procesul de formare a jonc\u021biunii de difuzie la temperatur\u0103 \u00eenalt\u0103 cu eficien\u021b\u0103 sc\u0103zut\u0103 de produc\u021bie \u0219i cost ridicat, iar procesul de temperatur\u0103 sc\u0103zut\u0103 face decalajul benzii optice. , rata de depunere, coeficientul de absorb\u021bie \u0219i con\u021binutul de hidrogen sunt controlate mai precis, iar efectele adverse, cum ar fi stresul termic cauzat de temperatura ridicat\u0103, pot fi, de asemenea, evitate.<\/li>\n<li>Eficien\u021b\u0103 ridicat\u0103: bateriile HJT au stabilit recordul mondial pentru eficien\u021ba conversiei bateriilor produse \u00een serie. Eficien\u021ba celulelor HJT este cu 1-2% mai mare dec\u00e2t cea a celulelor monocristaline de tip P, iar diferen\u021ba cre\u0219te lent.<\/li>\n<li>Aplicarea tehnic\u0103 \u0219i perspectiva celulelor solare cu heterojunc\u021bie cu stabilitate ridicat\u0103 la lumin\u0103: efectul Staebler-Wronski, care este comun \u00een celulele solare cu siliciu amorf, nu apare \u00een celulele solare HJT. \u00cen acela\u0219i timp, \u00een placheta de siliciu de tip N utilizat\u0103 \u00een celula HJT, dopantul este fosfor \u0219i aproape c\u0103 nu exist\u0103 un fenomen de atenuare indus de lumin\u0103.<\/li>\n<li>Poate fi dezvoltat spre sub\u021biere: temperatura de proces a bateriilor HJT este sc\u0103zut\u0103, structurile suprafe\u021bei superioare \u0219i inferioare sunt simetrice \u0219i nu exist\u0103 nicio solicitare mecanic\u0103, astfel \u00eenc\u00e2t sub\u021bierea poate fi realizat\u0103 f\u0103r\u0103 probleme; \u00een plus, cercet\u0103rile au ar\u0103tat c\u0103, pentru bateriile de tip N cu durat\u0103 de via\u021b\u0103 mare a purt\u0103torului minoritar (SRV&lt;100cm\/s) substrat de siliciu, cu c\u00e2t placheta este mai sub\u021bire, cu at\u00e2t tensiunea circuitului deschis poate fi mai mare.<\/li>\n<\/ol>\n<h2>Cum se face un panou solar HJT<\/h2>\n<p>HJT 4 pa\u0219i majori ai procesului:<\/p>\n<ul>\n<li>Cur\u0103\u021bare texturare<\/li>\n<li>Depunerea filmului de siliciu amorf<\/li>\n<li>Preg\u0103tirea TCO<\/li>\n<li>Preg\u0103tirea electrozilor<\/li>\n<\/ul>\n<p>Echipamentul corespunz\u0103tor este:<\/p>\n<ul>\n<li>Echipamente de cur\u0103\u021bare \u0219i texturare<\/li>\n<li>Echipamente PECVD<\/li>\n<li>Echipamente PVD\/RPD<\/li>\n<li>Echipament de serigrafie<\/li>\n<\/ul>\n<h2>Performan\u021ba HJT \u00een proiecte reale<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-large wp-image-3562\" src=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_1-479x1024.jpg\" alt=\"\" width=\"479\" height=\"1024\" srcset=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_1-479x1024.jpg 479w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_1-140x300.jpg 140w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_1-768x1641.jpg 768w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_1-719x1536.jpg 719w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_1-959x2048.jpg 959w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_1-600x1282.jpg 600w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_1-scaled.jpg 1198w\" sizes=\"(max-width: 479px) 100vw, 479px\" \/> <img decoding=\"async\" class=\"alignnone size-large wp-image-3563\" src=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_2-486x1024.jpg\" alt=\"\" width=\"486\" height=\"1024\" srcset=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_2-486x1024.jpg 486w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_2-142x300.jpg 142w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_2-768x1620.jpg 768w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_2-728x1536.jpg 728w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_2-971x2048.jpg 971w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_2-600x1265.jpg 600w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_2-scaled.jpg 1214w\" sizes=\"(max-width: 486px) 100vw, 486px\" \/> <img decoding=\"async\" class=\"alignnone size-large wp-image-3564\" src=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_3-486x1024.jpg\" alt=\"\" width=\"486\" height=\"1024\" srcset=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_3-486x1024.jpg 486w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_3-142x300.jpg 142w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_3-768x1620.jpg 768w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_3-728x1536.jpg 728w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_3-971x2048.jpg 971w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_3-600x1265.jpg 600w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_3-scaled.jpg 1214w\" sizes=\"(max-width: 486px) 100vw, 486px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-3565\" src=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_4-484x1024.jpg\" alt=\"\" width=\"484\" height=\"1024\" srcset=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_4-484x1024.jpg 484w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_4-142x300.jpg 142w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_4-768x1625.jpg 768w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_4-726x1536.jpg 726w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_4-968x2048.jpg 968w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_4-600x1269.jpg 600w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_4-scaled.jpg 1210w\" sizes=\"(max-width: 484px) 100vw, 484px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-3566\" src=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_5-484x1024.jpg\" alt=\"\" width=\"484\" height=\"1024\" srcset=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_5-484x1024.jpg 484w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_5-142x300.jpg 142w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_5-768x1625.jpg 768w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_5-726x1536.jpg 726w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_5-968x2048.jpg 968w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_5-600x1269.jpg 600w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_5-scaled.jpg 1210w\" sizes=\"(max-width: 484px) 100vw, 484px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-3567\" src=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_6-484x1024.jpg\" alt=\"\" width=\"484\" height=\"1024\" srcset=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_6-484x1024.jpg 484w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_6-142x300.jpg 142w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_6-768x1625.jpg 768w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_6-726x1536.jpg 726w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_6-968x2048.jpg 968w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_6-600x1269.jpg 600w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_6-scaled.jpg 1210w\" sizes=\"(max-width: 484px) 100vw, 484px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-3568\" src=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_7-484x1024.jpg\" alt=\"\" width=\"484\" height=\"1024\" srcset=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_7-484x1024.jpg 484w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_7-142x300.jpg 142w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_7-768x1625.jpg 768w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_7-726x1536.jpg 726w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_7-968x2048.jpg 968w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_7-600x1269.jpg 600w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_7-scaled.jpg 1210w\" sizes=\"(max-width: 484px) 100vw, 484px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-3569\" src=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_8-484x1024.jpg\" alt=\"\" width=\"484\" height=\"1024\" srcset=\"https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_8-484x1024.jpg 484w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_8-142x300.jpg 142w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_8-768x1625.jpg 768w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_8-726x1536.jpg 726w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_8-968x2048.jpg 968w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_8-600x1269.jpg 600w, https:\/\/wxsunket.com\/wp-content\/uploads\/2022\/09\/HJT-VS-PERC_8-scaled.jpg 1210w\" sizes=\"(max-width: 484px) 100vw, 484px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>Preface: the past and present of photovoltaic cells &#8211; the end of the P-type era, the beginning of the N-type era The photovoltaic cell industry belongs to the midstream of the photovoltaic industry chain and is made of silicon wafers through cleaning, texturing, and other steps. 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