# TOPCon Fim na Gaba SiNx Ya Yi Nasara Babba: Ƙarin Wutar Module 3-4W

> Wani yanayin layin samar da TOPCon mai ban mamaki: fim ɗin SiNx mai sauyawa yana yin nasara a matakin tantanin halitta amma SiNx mai yadudduka da yawa yana ba da ƙarin ƙarfin module 3-4W

![TOPCon Fim na Gaba SiNx Ya Yi Nasara Babba: Ƙarin Wutar Module 3-4W](https://cdn.ooitech.com/static/upload/image/20260713/d5fda98b0a543efbbc2c296ae1641dd3.webp)

- ** 2026-07-13
- ** 696 Views
- ** [Blog](./Blog.html)

## TOPCon Fim na Gaba SiNx Ya Yi Nasara Babba: Ƙarin Wutar Module 3-4W

**Amsa mai sauri:** Kaurin silicon nitride na fim na gaba a kan tantanin TOPCon ya zama yana da darajar ikon module da ake iya aunawa. Kwatancen layi tsakanin ƙungiyoyi biyu na tantanin da ke da girke-girken fim na gaba daban-daban ya haifar da bambancin 3 W zuwa 4 W a fitarwar module, inda mafi kyawun girke-girken ya sami kusan 2.8 W. SiNx yana aiki a matsayin duka murfin rigakafin haske da tushen hydrogen passivation, kuma waɗannan ayyuka biyu suna jan mafi kyawun kauri zuwa wurare daban-daban: idan ya yi siriri sosai reflectance yana ƙaruwa, idan ya yi kauri sosai yanayin gani da passivation na fim ɗin yana canzawa. Girke-girken da ake magana a kai sun kasance a cikin kewayon 15 nm zuwa 45 nm, tare da yadudduka da yawa tsakanin 20 nm da 30 nm. Saboda ana ajiye Layer ɗin a cikin matakin PECVD ɗaya ko ta yaya, ribar ba ta kashe komai a kayan aiki — canjin girke-girke ne, wanda shine dalilin da ya sa inganta fim na gaba ya zama ɗaya daga cikin mafi arha hanyoyin samun inganci da suka rage a layin TOPCon.

PV Module Manufacturing · na Jerry, Ooitech

## Gabatarwar Samfur

Kun gudanar da kwatance akan layin. Rukunoni biyu na [TOPCon](https://www.ooitech.com/what-is-topcon-solar-cell-a-complete-guide-to-tunnel-oxide-passivated-contact-technology.html) sel, girke-girken fim na gaba daban-daban.

- **Ƙungiyar fim mai canzawa**: SiNx/SiOxNy/SiOx tari mai canzawa (tare da yadudduka SiOx/SiOxNy masu ƙarancin refractive index)
- **Ƙungiyar SiNx zalla**: SiNx mai yadudduka da yawa zalla

Sakamakon ya dawo baya.

- **Matakin tantanin halitta**: rukunin gradient ya kasance 0.05%-0.1% mafi girma a inganci fiye da rukunin SiNx mai tsabta. A kan tantanin halitta, fim ɗin gradient ya bayyana da kyau.
- **Matakin module**: bayan lamination zuwa modules 66-cell 210×210, rukunin SiNx mai tsabta ya kasance a zahiri **3-4W mafi girma** a cikin wutar lantarki (an auna akan layi).

"Rukunin da ke da ƙarancin ingancin tantanin halitta ya ƙare da mafi girman wutar module." Inganci ya ci gaba da tambayar dalili, kuma ba za ku iya amsawa kawai da "ribar marufi."

Wannan yanki yana amfani da takarda ɗaya mai ƙarfi don daidaita wannan lissafin gani mai cin karo da juna.

## Ma'aunin Fasaha

### Ingancin tantanin halitta ≠ wutar module. Lamination yana tsaka-tsaki.

Ka riƙe abu ɗaya a cikin kanka: ingancin tantanin halitta da wutar module ba ninka sauƙi ba ne.

Yin amfani da module 66-cell 210×210 TOPCon tare da tantanin halitta masu daraja 25.7% a matsayin tushe, bayanan layi sun nuna cewa tazarar ingancin tantanin halitta 0.1% tana nuna kusan 2.8W na wutar module. Ta wannan ma'auni:

| Kwatanta | Tazarar matakin tantanin halitta | Tazarar module da ake tsammani | Sakamakon module da aka auna |
| --- | --- | --- | --- |
| Fim ɗin gradient vs SiNx tsantsa | +0.05%-0.1% (gradient ya fi girma) | +1.4-2.8W (gradient ya kamata ya yi nasara) | SiNx tsantsa +3-4W (juya baya) |

Jagorar ta juya gaba ɗaya. Amfanin matakin tantanin halitta ya ɓace a cikin lamination.

Ƙarfin module ba shine ingancin sel wanda aka ninka kai tsaye ba. Gilashi, [encapsulant](https://www.ooitech.com/EVA-POE-EPE-Encapsulant-Film-for-Solar-Panel-Manufacturing-Complete-Technical-Guide.html) da [backsheet](https://www.ooitech.com/Photovoltaic-Backsheet-The-Critical-Protective-Layer-for-Solar-Modules.html) yana kawo ribar haɗin gani (tabbatacce) amma kuma rashin daidaituwar halin yanzu da asarar rarrabawa (korau). Net ɗin shine ƙarfin da aka auna. Girke-girke daban-daban na hana tunani suna samar da net ɗin bayan lamination daban-daban, kuma wannan shine tushen "rasa a sel, ci nasara a module."

Wannan tsarin an riga an gano shi ta **Zhang et al. 2019 (Energies, DOI:10.3390/en12061168)** akan **dandalin PERC**, wanda aka goyi bayan simulation SunSolve da auna module.

## Fa'idodin Fasaha

### Takardar PERC ɗaya ta bayyana jujjuyawar a sarari

Zhang 2019 yayi nazarin rufin gaba mai kariya uku akan mono PERC. Yadudduka biyu na farko sun kasance SiNx (20nm/45nm). Yadi na uku ne kawai ya canza.

- **Shirin A**: yadi na uku 15nm SiNx (ma'aunin haske 1.99)
- **Shirin B3**: yadi na uku 30nm SiOx (ma'aunin haske 1.46)

Ta amfani da kwaikwayi na gani na SunSolve (tare da rubutun dala), sun lissafta matsakaicin haske mai nauyi WAR (300-1100nm):

| Shirin | Yadi na uku | WAR (300-1100nm) |
| --- | --- | --- |
| A | 15nm SiNx | 3.12% |
| B3 | 30nm SiOx | 2.78% |
| B5 | 50nm SiOx | 2.46% (mai kauri, ƙasa) |

A matakin tantanin halitta, B3 yana nuna ƙasa da A, an auna Isc 62mA mafi girma, inganci **21.50% vs 21.35% (+0.15% cikakke)**. Fim ɗin mai ƙarancin ma'aunin SiOx kawai ya yi nasara akan tantanin halitta.

Amma a matakin tsarin, labarin ya juya. Sashe na 3.3 ya faɗi a sarari:

> "Saboda EVA encapsulant yana ɗaukar haske mai gajeren zango, fa'idar amsawar bakan na 30nm SiOx cell an ɓoye wani ɓangare... ribar wutar module kawai 0.9W ne... saka SiOx a cikin module ya rage ribar aikin cell da kashi 57%."

Abubuwan dalla-dalla:

- Matsayin CTM: 30nm SiOx **96.1%** vs 15nm SiNx 96.5%. Na SiOx ya yi ƙasa da gaske.
- Fa'idar +0.15% a matakin cell ta rasa kashi 57% na ribarta bayan lamination.
- Ribar wutar module kawai **0.9W**.

Wannan shine bayanin matakin takarda don shari'ar ku. Ƙungiyar gradient (tare da SiOx/SiOxNy low-index layers, kamar Zhang's B3) tana samun 0.05-0.1% a matakin cell ta hanyar short-wave anti-reflection. Amma bayan lamination, EVA yana ɗaukar hasken <380nm short-wave, gefen short-wave na ƙungiyar gradient yana shanye, CTM yana raguwa, kuma a matakin inganci iri ɗaya ƙungiyar pure SiNx ta wuce ta.

## Aikace-aikacen Samfur

### Inda rata take, da girmanta

**① Matakin cell: ƙungiyar gradient tana samun 0.05%-0.1%, kusan 1.4-2.8W**

Ta hanyar 66-cell 210 TOPCon line baseline (0.1% cell efficiency ≈ 2.8W module power), ƙungiyar gradient tana gudana 0.05%-0.1% mafi girma a matakin cell, wanda ya kamata ya nufi **1.4-2.8W** mafi girma a matakin module.

**② Matakin module: pure SiNx a zahiri ya fi girma da 3-4W (an auna layin)**

An auna, ƙarfin module na rukunin pure SiNx shine **3-4W** mafi girma fiye da rukunin gradient. Idan aka mayar da ƙaramin rashin lahani a matakin cell, yana nufin rukunin pure SiNx yana ba da gudummawar **4.4-6.8W** ƙari a matakin tattarawa kaɗai. Idan aka kwatanta da tushe na 720W, wannan shine bambancin riba na tattarawa 0.61%-0.94%.

**③ Tabbacin wallafe-wallafe: Zhang 2019's "57% yanke" (dandalin PERC)**

Binciken PERC na Zhang ya yi daidai: fim ɗin da ke da SiOx Layer na uku yana samun +0.15% a matakin cell, amma bayan lamination ribar ta yanke 57% kuma rabon CTM ya faɗi maki 0.4.

Idan aka canza zuwa 66-cell 210 TOPCon, fa'idar matakin cell 0.1% ta bar kusan 0.04% kawai bayan lamination, kuma module na iya juyawa gaba ɗaya. Tushen guda, dalili guda da sakamakon layin ku na "pure SiNx ya fi girma da 3-4W."

**④ Me yasa rukunin gradient ya koma baya a matakin module?**

Fim ɗin gradient tare da SiOx/SiOxNy yana da ƙarfin sa na musamman a cikin 300-500nm gajeren zango anti-reflection. Amma wannan ita ce band ɗin da gilashi + EVA ke sha mafi ƙarfi a cikin module. Gefen gajeren zango na fim ɗin gradient yana cinyewa kai tsaye ta kayan marufi. A halin yanzu, multilayer SiNx mai tsabta yana yin anti-reflection sosai a cikin babban band ɗin >400nm na bayyane-zuwa-kusa-infrared (har yanzu yana aiki bayan lamination, inda amsawar quantum ta silicon ta fi girma), don haka yana samun riba mai yawa a matakin module.

**Samun shi a kan layi: kada ku yi hukunci da ingancin cell kaɗai**

**① Shin zai iya aiki a kan layi yanzu?**

Dukansu suna iya. Pure multilayer SiNx hanya ce da ta balaga. Fim ɗin gradient (SiNx/SiOxNy/SiOx) kuma ana iya yin shi akan tube PECVD, kawai ƙarin Layer coating ɗaya da ƙarin mataki na sarrafa rabon N/O da sarrafa kauri na Layer uku.

Kwanan nan masana'antar TOPCon ta sake inganta hanyar "front-film SiNx multilayer" don maye gurbin tsarin "front-film nitrous-oxide multilayer". Bayanan da kuka gani shaida ce ta matakin layi na wannan yanayin. Ba wai fim ɗin gradient ba shi da kyau ba, amma ya fadi jarrabawar lamination.

**② Shin yana da daraja?**

Ya danganta da yadda kake kirgawa. Duba ingancin tantanin halitta kadai kuma fim ɗin gradient ya fi kyau da 0.05-0.1%. Amma a matakin module, SiNx mai yadudduka da yawa ya fi da 3-4W, kuma a farashin kowane watt na TOPCon module na yanzu, wannan babban dama ne na farashi.

Zaɓin fim ɗin gaba dole ne a yi amfani da ma'auni biyu: ingancin tantanin halitta da ribar marufi. Kada ka kalli wannan lambar matakin tantanin halitta ɗaya, ko za ka zama kamar ƙungiyar gradient, suna cin nasara a fuska a tantanin halitta kuma suna rasa abu a module.

**③ Shin yana da karko?**

Wannan yana buƙatar bincikensa. Dukansu fina-finai ne masu yadudduka da yawa, kuma dogon lokaci dogaro (karkon fim a ƙarƙashin zafi da danshi, daidaitawa da abubuwan rufe daban-daban) dole ne a auna. Aikin ƙungiyar UNSW Hoex ya riga ya nuna cewa TOPCon yana da matukar damuwa ga dabarun rufewa. Fim ɗin hana haske da abin rufe suna haɗuwa. Canza rufin kuma zaɓin abin rufe yana iya buƙatar biyo baya.

**Tushen kuskuren ma'aikacin layi**: idan ana kwatanta hanyoyin fim ɗin gaba biyu, kada ka kwatanta ingancin tantanin halitta kawai. Tazarar matakin tantanin halitta 0.05-0.1% tana da ƙanƙanta, amma module na iya juyawa da watts da yawa. Auna duka ingancin tantanin halitta da ƙarfin module, musamman ga manyan modules masu neman ƙarin matakan ƙarfi.

**Iyakoki: abin da takardar ba ta faɗi ba**

- **Zhang 2019 shaida ce ta dandalin PERC, ba TOPCon ba.** Amma na'urorin gani na gaba da haske suna da asali daya: EVA tana shanye gajeriyar igiyar ruwa, fina-finan SiOx suna rasa gefen gajeriyar igiyar ruwa, CTM yana raguwa. Wannan doka ce ta gama gari na na'urorin gani na marufi, kuma fim ɗin gaban TOPCon yana bin ta. Wannan layin shari'ar TOPCon ne, daidai da alkiblar takardar. Ana ba da shawarar sake gudanar da shi akan layin ku tare da amsawar bakan EQE tare da rabuwar tunani kafin/bayan lamination.
- **Hanyar ita ce hasashen wannan labarin, ba hukunci ba.** Bayanin zahiri na "SiNx mai yadudduka da yawa yana da babban ribar marufi" (ingantaccen bakan da aka gyara + ƙarancin sha na parasitic) yana buƙatar amsawar bakan EQE da bayanan rabuwar tunani/ sha kafin/bayan lamination don tabbatarwa. Wannan yanki yana ba da tsarin zahiri da alkibla. Wanne band ya mamaye kuma daga ina sha na parasitic ya fito yana jiran bayanan bakan layi.
- **Tazarar ribar marufi 0.61%-0.94%** ƙiyasin girman oda ne da aka sake lissafta daga 3-4W da 0.05-0.1%. Daban-daban encapsulants (EVA/POE/EPE) da daban-daban gilashi (mai rufi/mara rufi) za su motsa wannan lambar.
- Moduloli masu fuska biyu da encapsulant mai yanke UV suna ƙara canza amfani da gajeren zango. Tazarar tsakanin ƙungiyoyin biyu na iya sake rarrabawa a ƙarƙashin yanayin dual-glass + UV-pass.

**Takaitawa**

Kwayoyin TOPCon iri ɗaya, ƙungiyar gradient ta ci 0.1% a matakin tantanin halitta, kuma bayan tattarawa ta rasa 4W. Bambancin ba wai kawai inganci ba ne, shine cewa jarrabawar da filin hana haske ya zauna ta canza a matakin module.

Jarrabawar tantanin halitta tana gwada cikakken bakan gajeren zango, kuma ƙungiyar gradient ta amsa da kyau. Jarrabawar module tana gwada ingantaccen bakan bayan tattarawa, kuma ƙungiyar pure SiNx ta juya shi.

Wannan takarda ta PERC ta 2019 ta riga ta faɗi: saka SiOx a cikin module kuma ribar matakin tantanin halitta za a yanke 57%. Juyawar 3-4W da aka auna akan layi ta dace da ƙarshen takarda a cikin shugabanci.

Don zaɓin gaban fim, kar ka bar wannan lambar ingancin tantanin halitta guda ɗaya ta saita lokaci. Ƙididdige ribar tattarawa cikin jimlar.

## Ra'ayin Ooitech

Tazarar tantanin halitta-da-module a nan ita ce tarkon da muke kallo lokacin da muka mika layin module. Rufin da ke haskaka kan tantanin halitta zai iya shan watts a hankali idan gilashi da EVA suka hau sama, don haka koyaushe muna gaya wa abokan ciniki su kulle zaɓin anti-reflection akan ainihin bayanan CTM, ba ingancin lab ba. Tunda Ooitech kawai ke gina layin samar da module, wannan haɗin tantanin halitta-zuwa-module shine inda aikinmu na lamination da horar da tsari ke samun darajarsa. Idan kana son ganin yadda waɗannan zaɓuɓɓuka ke aiki akan layin TOPCon mai gudana, tashar YouTube ta Ooitech ([www.youtube.com/ooitech](http://www.youtube.com/ooitech)) tana da hotunan masana'anta da yawa da suka cancanci bi.

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