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Dalilin da yasa TOPCon ya doke HJT: Dogaro da Hanya ya Bayyana Gasar Fasahar Solar Cell
  • 2026-06-29
  • 397 Dubawa
  • Blog

Dalilin da yasa TOPCon ya doke HJT: Dogaro da Hanya ya Bayyana Gasar Fasahar Solar Cell

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Yadda Ake Zaɓar Kayan Aikin Samar da Hasken Rana na TOPCon Da Ya Dace -

A cikin 2023, yawancin masana'antun hasken rana sun fuskanci tambaya ɗaya a cikin ɗakin taro: idan masana'antar dole ta ƙaura daga P-type PERC zuwa N-type fasaha, shin zuba jari na gaba ya kamata ya tafi TOPCon ko HJT?

A takarda, HJT ya yi kyau. Yana da ƙarfin kariya, sarrafa zafin jiki mara nauyi, aikin fuska biyu mai kyau, da kuma iyakar ka'idar mai ban sha'awa. Amma a masana'antu na gaske, yanke shawara sau da yawa yana dogara da lamba ɗaya: farashin canji.

Ga kamfani da ke gudanar da layukan PERC, haɓakawa zuwa TOPCon na iya kashe kusan RMB 50-80 miliyan a kowace GW. Gina sabon layin HJT sau da yawa yana buƙatar RMB 200-350 miliyan a kowace GW, ko da yake farashin kayan aiki yana raguwa. Wannan bambanci ya yi yawa da ba za a iya watsi da shi ba.

Don haka TOPCon bai yi nasara ba kawai saboda ita ce fasaha mafi ci gaba. Ta yi nasara saboda hanyar daga PERC ta kai ga TOPCon a zahiri.

Babban ra'ayi

Masana'antar hasken rana ba ta zaɓi TOPCon a cikin sarari ba. Ta zaɓi TOPCon a ƙarƙashin nauyin shekaru goma na kayan aikin PERC, injiniyoyin PERC, masu samar da PERC, bayanan ingancin PERC, da halayen samar da PERC. Wannan misali ne na littafi na dogaro da hanya.

Ma'aunin Fasaha
Kwatanta kasuwa da fasaha
AbuTOPConHJTBC
Babban matsayin masana'antuBabbar hanyar N-typeMai kalubale mai karfin gaskeMai daraja kuma mai neman hanya ta uku
Kimanin rabon fitar da kayayyaki na shekarar 2025Kusan 77.1% a duniyaRabo mafi karamiKarami amma yana girma
Kimanin jigilar sel na shekarar 2025Kusan 320GWKusan 48GWKusan 36GW
Ingancin samarwa da yawaKusan 25.5-26.5%Sama da 27% a cikin manyan layukaYa dogara da hanya, yana da karfin daraja mai yawa
Daidaitawar PERC na yau da kullunBabbaKadanMatsakaici zuwa kadan, ya dogara da tsarin TBC ko HBC
Kudin haɓakawa daga PERCKusan RMB miliyan 50-80/GWYawanci ana buƙatar sabon layiYa fi TOPCon girma, tsari mai rikitarwa
Matsin zuba jari na sabbin kayan aikiMafi karanci ga masu amfani da PERC na yanzuBabbaBabba zuwa babba-matsakaici
Matsalar tsari mai mahimmanciBoron diffusion, passivated contact, metallizationLow-temperature thin film, TCO, low-temperature pastePatterning, laser opening, masking, alignment
Babban fa'idaSaurin haɓaka masana'antuKyakkyawan tsari don yuwuwar tandemBabu grid na gaba, ƙarancin hasara na gani, kyakkyawan bayyanar
Babban rauniHaɓaka inganci yana raguwaRashin dacewa da tsofaffin tsarinMatsalar tsari da ƙalubalen yawan amfani
Dalilin da ya sa bambancin farashi ya kasance muhimmi
GirmaTOPConHJT
Kudin canzawaƘananan: haɓaka layin PERC na ɓangareBabba sosai: sabon layin samarwa da yawa
Ci gaba da kayan aikiYawancin kayan aikin PERC da ayyukan masana'antu za a iya sake amfani da suTsarin kayan aiki ya bambanta sosai
Tushen hazakaInjiniyoyin PERC na iya daidaitawa da sauriYana buƙatar sabon tunani na fim-bakin-baki da ƙarancin zafin jiki
Sarkar samar da kayayyakiAn gada da fadada shi da sauri daga tsarin PERCYana buƙatar daban paste, target, TCO, da tsarin aiki
Haɓaka yawan amfanin ƙasaMai sauƙi ga masana'antun PERCBabban farashin koyo da babban haɗarin haɓaka
Fa'idodin Fasaha
Dogaro da hanya: ƙarfin ɓoye bayan nasarar TOPCon

Dogaro da hanya yana nufin cewa yanke shawara ta yau tana da tasiri sosai daga jarin jiya. Da zarar masana'antu sun gina kayan aiki, sun horar da mutane, sun rubuta ƙa'idodi, sun tara bayanan gazawa, kuma sun inganta sarkar samar da kayayyaki ta hanya ɗaya, zai zama tsada da haɗari don tsalle zuwa wata.

TOPCon ya sami dukkan matakai uku na dogaro da hanya daga PERC.

  • Ƙananan farashin canzawa: TOPCon kawai ya buƙaci sabbin hanyoyin aiki da yawa a kan layin PERC da ke akwai, kamar boron diffusion da LPCVD ko PECVD passivated contact matakai.

  • Madauki mai kyau na amsawa: Ƙarin layukan TOPCon sun ƙarfafa masu kera kayan aiki, masu samar da manna, injiniyoyin tsari, da ƙungiyoyin inganci don inganta TOPCon cikin sauri.

  • Tasirin kullewa: Da zarar TOPCon ya zama babban harshen samarwa, hazaka, ma'auni, warware matsaloli, da haɓaka masu samarwa duk sun fara gudana a hanya ɗaya.

TOPCon ya ƙara ƙarfi saboda yawancin masana'antu sun zaɓe shi. Yawancin masana'antu sun zaɓe shi saboda ya ƙara ƙarfi. Wannan madauki ya kasance mai mahimmanci.

Me yasa HJT ta rasa tseren masana'antu, ba tseren fasaha ba

HJT ba ta rasa ba saboda fasaha mara kyau. Ta hanyoyi da yawa, tana da kyau a fasaha.

  • Tsarin daidaitacce yana tallafawa aikin bifacial mai ƙarfi.

  • Silicon amorphous na ciki yana ba da wucewar kariya mai kyau.

  • Sarrafa ƙananan zafin jiki na iya rage damuwa ta thermal.

  • Ƙananan ma'aunin zafin jiki yana taimaka wa aiki a yanayin zafi.

  • HJT tana da dacewa mai ƙarfi tare da sel tandem perovskite na gaba.

Amma HJT tana da babbar matsala ta masana'antu: ba ta gaji tushen samar da PERC ba.

Wani masana'anta da ya zaɓi HJT dole ne ya yi la'akari da maye gurbin manyan sassa na kadarorin da ke akwai, sake horar da injiniyoyi, gina sabon tsarin masu samar da kayayyaki, karɓar sabon zagayen haɓaka yawan amfanin ƙasa, da ɗaukar babban haɗarin saka hannun jari. A lokacin da ribar masana'antar hasken rana ke fuskantar matsin lamba, wannan ba yanke shawara ce ta fasaha kawai ba. Shawara ce ta rayuwa.


BC: hanya ta uku, amma ba gajeriyar hanya mai sauƙi ba

Ana yawan bayyana fasahar BC a matsayin wata mai yuwuwar nasara, amma hanyarta ta bambanta da TOPCon da HJT.

BC ba zai iya gaji tsarin PERC na gargajiya gaba ɗaya ba saboda tsarin baya-baya yana canza ƙirar tantanin halitta sosai. Yana buƙatar ƙirar tsari, buɗe laser, rufewa, da kuma samar da haɗin baya daidai. Wannan ya sa ya fi TOPCon rikitarwa.

Koyaya, BC na iya haɗawa da wasu fasahohin tushe daban-daban:

  • TBC: TOPCon tare da haɗin baya, raba wasu tsari da kayan aiki na TOPCon.

  • HBC: HJT tare da haɗin baya, haɗa kariyar HJT da tsarin haɗin baya.

BC ba kawai mararraba ba ne. Ya fi kamar sabon babbar hanya wacce za ta iya ɗaukar nau'ikan motoci daban-daban. Amma har yanzu dole ne a gina babbar hanyar kanta, kuma hakan yana da tsada.

Babban matsalar ita ce yawan amfanin ƙasa. Kowane ƙarin mataki na sarrafawa na iya zama mai kashe yawan amfanin ƙasa. Har sai BC ta kawo yawan amfanin ƙasa, farashi, da kuma yawan aiki kusa da matakan TOPCon, za ta kasance mai ƙarfi a kasuwannin masu daraja amma da wuya ta maye gurbin TOPCon a babban sikelin.

Aikace-aikacen Samfur
Abin da wannan ke nufi ga masu kera hasken rana

Ga masu kera da ke shirin sabon ƙarfin tantanin halitta ko na'ura, muhawarar TOPCon-HJT-BC ba wai kawai game da ingancin tantanin halitta ba ne. Game da tattalin arzikin masana'anta ne.

  • Masu kera PERC da ke akwai sun koma zuwa TOPCon saboda hanyar haɓakawa ta kasance mafi bayyana.

  • Sabbin masu shiga da ke da isasshen jari na iya yin la'akari da HJT ko BC, amma dole ne su yarda da haɗarin sarrafawa mafi girma.

  • Masu kera na'urori masu daraja na iya amfani da BC don niyya ga rarraba wutar lantarki, kyawun rufin, da sassan inganci mai girma.

  • Masu saka hannun jari na dogon lokaci na fasaha suna sa ido sosai kan hanyoyin haɗin HJT-perovskite da TOPCon-perovskite.

Abin da wannan ke nufi ga injiniyoyin samarwa

Ga injiniyoyin gaba, shekaru uku masu zuwa suna iya kasancewa suna da yawan TOPCon. Ƙwarewar aiki mafi mahimmanci har yanzu za ta kasance game da cikakken sarrafa tsarin TOPCon.

Muhimman wuraren sun haɗa da:

  • Tsaftacewa da shirya saman

  • Sarrafa yaduwar boron

  • Cire BSG

  • Samar da haɗin wutar lantarki mai kariya ta LPCVD ko PECVD

  • Tagogin aiwatar da annealing

  • Sanya fim ɗin Al₂O₃ da SiNₓ

  • Ƙarfe da daidaita manna

  • Binciken gazawa da inganta yawan amfanin ƙasa

A lokaci guda, injiniyoyi kada su manta da ci gaban perovskite tandem. Maɓallan da za a kula da su ba wai kawai ingancin lab ba ne, har ma da kwanciyar hankali, aiki a babban yanki, da maimaita tsari.

Juyin perovskite tandem

Dogaro da hanya yana da ƙarfi, amma ba na dindindin ba. Yana iya karye lokacin da ribar aikin sabuwar hanya ta isa ta tabbatar da farashin canji.

Wannan shine dalilin da ya sa perovskite tandem ke da mahimmanci. Idan fasahar tandem ta kai ga samar da masana'antu mai kwanciyar hankali, tsohuwar muhawara tsakanin TOPCon mai haɗa guda ɗaya da HJT mai haɗa guda ɗaya na iya zama ƙasa da mahimmanci. Masana'antar na iya canzawa daga inganta siliki mai lu'ulu'u kaɗai zuwa sake gina dukkan iyakar inganci.

Magoya bayan HJT suna yin fare mai yawa a kan wannan. Tsarin zafin jiki mara nauyi na HJT da tsarin daidaitawa ya sa ya dace da haɗin perovskite tandem. Amma kamfanonin TOPCon suma suna haɓaka hanyoyin tandem, don haka HJT ba shine kawai mai yiwuwa mai nasara ba.


Tuntuɓi da Siyayya
Hukunce-hukunce guda uku bayyanannu

Na farko, TOPCon zai kasance babbar hanyar da za a bi a cikin shekaru uku masu zuwa. Daga 2026 zuwa 2029, TOPCon na iya riƙe fiye da kashi 70% na kasuwa. Amfaninsa ba wai kawai inganci ba ne. Yana da samuwar kayan aiki, injiniyoyi da aka horar, balagaggen masu samarwa, bayanan inganci, da ƙarancin haɗarin haɓakawa.

Na biyu, HJT na buƙatar perovskite tandem don ƙirƙirar dawowar gaske. Idan HJT ya kasance fasaha mai haɗaɗɗiya guda ɗaya kawai, zai yi wahala ya juya girman masana'antu na TOPCon. Idan perovskite-HJT tandem ya kai ga samarwa mai yawa mai tsayayye, labarin na iya canzawa.

Na uku, BC ita ce babbar barazanar tsari ga TOPCon idan ta magance yawan amfanin ƙasa da farashi. BC yana da fa'idodi a bayyane a cikin bayyanar da rage hasara na gani, musamman ga manyan rufin rufi da aikace-aikacen rarraba. Amma sai dai idan tsarin ya zama mai tsayayye kuma mai araha, zai kasance hanya mai daraja maimakon maye gurbin duniya.

Tunanin Ƙarshe

Mafi kyawun fasaha ba koyaushe take cin nasara da farko ba. Fasahar da ta dace da hanyar da ake da ita takan yi nasara da sauri.

TOPCon ta doke HJT ba don HJT ba ta da damar ci gaba ba, amma saboda tara masana'antu na PERC na tsawon shekaru goma ya nuna kai tsaye zuwa TOPCon. Kayan aiki, injiniyoyi, masu samar da kayayyaki, tagogin tsari, da halayen masana'anta duk sun tura zuwa hanya ɗaya.

HJT yanzu tana buƙatar babban ribar fasaha don jawo masana'antar daga hanyar tarihinta. BC tana ƙoƙarin gina hanyarta ta hanyar babban jari da balagar tsari. Perovskite tandem na iya zama mahimmin juyi na gaba.

Ra'ayin Ooitech

A matsayin mai lura da ɓangaren kayan aiki, Ooitech na ganin hawan TOPCon a matsayin tunatarwa cewa canjin fasahar hasken rana ana yanke shi a filin samarwa, ba kawai a cikin jadawalin inganci ba. Ga masu kera na'urori, hanyar cin nasara dole ta dace da ci gaban kayan aiki, saurin haɓaka yawan samarwa, samuwar kayan aiki, da kuma koyon ma'aikata. Matsala ta gaba za ta iya faruwa ne kawai lokacin da fasahar tandem ta ba da babban ci gaba wanda zai iya shawo kan matsalar TOPCon ta yanzu.


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