光伏(fu)電(dian)(dian)(dian)(dian)(dian)(dian)鍍(du)銅(tong)優(you)勢(shi)之(zhi)增(zeng)效：（1）銅(tong)電(dian)(dian)(dian)(dian)(dian)(dian)鍍(du)電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)導(dao)(dao)電(dian)(dian)(dian)(dian)(dian)(dian)性能優(you)于銀柵線，且與(yu)TCO層(ceng)(ceng)的(de)(de)接(jie)(jie)觸(chu)(chu)特(te)性更(geng)(geng)好，促(cu)進提高(gao)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)轉換(huan)效率(lv)(lv)。A．金屬電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)率(lv)(lv)影響(xiang)著(zhu)(zhu)電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)功(gong)率(lv)(lv)損耗與(yu)導(dao)(dao)電(dian)(dian)(dian)(dian)(dian)(dian)性能，純(chun)銅(tong)具有(you)更(geng)(geng)低(di)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)率(lv)(lv)。異(yi)質結(jie)低(di)溫銀漿(jiang)主要(yao)由銀粉、有(you)機樹脂(zhi)等材料構成(cheng)，漿(jiang)料固(gu)化后部分有(you)機物(wu)不(bu)導(dao)(dao)電(dian)(dian)(dian)(dian)(dian)(dian)，使(shi)低(di)溫銀漿(jiang)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)率(lv)(lv)較(jiao)高(gao)、電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)功(gong)率(lv)(lv)損耗較(jiao)大；同時，由于低(di)溫銀漿(jiang)燒結(jie)溫度不(bu)超(chao)過(guo)250℃，漿(jiang)料中Ag顆粒間粘結(jie)不(bu)緊(jin)(jin)密(mi)，具有(you)較(jiao)多的(de)(de)空隙(xi)，導(dao)(dao)致其(qi)線電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)的(de)(de)提高(gao)及(ji)串聯電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)的(de)(de)增(zeng)加。而(er)銅(tong)電(dian)(dian)(dian)(dian)(dian)(dian)鍍(du)柵線使(shi)用純(chun)銅(tong)，其(qi)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)率(lv)(lv)接(jie)(jie)近純(chun)銀但明(ming)(ming)(ming)顯(xian)(xian)低(di)于低(di)溫銀漿(jiang)，且其(qi)電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)結(jie)構致密(mi)均勻(yun)，沒有(you)明(ming)(ming)(ming)顯(xian)(xian)空隙(xi)，可實現更(geng)(geng)低(di)的(de)(de)線電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)率(lv)(lv)，降(jiang)低(di)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)歐姆損耗、提高(gao)電(dian)(dian)(dian)(dian)(dian)(dian)性能。B．金屬與(yu)TCO層(ceng)(ceng)的(de)(de)接(jie)(jie)觸(chu)(chu)特(te)性影響(xiang)著(zhu)(zhu)異(yi)質結(jie)太陽電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)載流(liu)(liu)子收集、附(fu)(fu)(fu)著(zhu)(zhu)特(te)性及(ji)電(dian)(dian)(dian)(dian)(dian)(dian)性能，銅(tong)電(dian)(dian)(dian)(dian)(dian)(dian)鍍(du)電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)更(geng)(geng)具優(you)勢(shi)。銀漿(jiang)料與(yu)TCO透(tou)明(ming)(ming)(ming)導(dao)(dao)電(dian)(dian)(dian)(dian)(dian)(dian)薄膜(mo)之(zhi)間的(de)(de)接(jie)(jie)觸(chu)(chu)存在孔洞(dong)較(jiao)多，造成(cheng)其(qi)金屬-半導(dao)(dao)體接(jie)(jie)觸(chu)(chu)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)的(de)(de)增(zeng)加和電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)附(fu)(fu)(fu)著(zhu)(zhu)性降(jiang)低(di)，影響(xiang)了載流(liu)(liu)子的(de)(de)傳輸(shu)。而(er)銅(tong)電(dian)(dian)(dian)(dian)(dian)(dian)鍍(du)電(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)易與(yu)透(tou)明(ming)(ming)(ming)導(dao)(dao)電(dian)(dian)(dian)(dian)(dian)(dian)薄膜(mo)緊(jin)(jin)密(mi)附(fu)(fu)(fu)著(zhu)(zhu)，無明(ming)(ming)(ming)顯(xian)(xian)孔洞(dong)，使(shi)接(jie)(jie)觸(chu)(chu)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)較(jiao)小，可以提高(gao)載流(liu)(liu)子收集幾率(lv)(lv)。HJT降(jiang)低(di)成(cheng)本的(de)(de)主要(yao)途徑(jing)之(zhi)一是電(dian)(dian)(dian)(dian)(dian)(dian)鍍(du)銅(tong)。安徽HJT電(dian)(dian)(dian)(dian)(dian)(dian)鍍(du)銅(tong)路線

銅(tong)(tong)(tong)(tong)電(dian)鍍(du)(du)是一(yi)種(zhong)(zhong)非(fei)接(jie)(jie)(jie)觸式的(de)電(dian)極金屬(shu)化技術(shu)，在基體金屬(shu)表(biao)面通過電(dian)解方法沉積金屬(shu)銅(tong)(tong)(tong)(tong)制作銅(tong)(tong)(tong)(tong)柵(zha)線，收(shou)集光(guang)伏效(xiao)應產生(sheng)的(de) 載流子(zi)。為解決電(dian)鍍(du)(du)銅(tong)(tong)(tong)(tong)與透明導電(dian)薄(bo)膜（TCO）之間(jian)的(de)接(jie)(jie)(jie)觸與附著性問(wen)題，需(xu)(xu)先 使(shi)用(yong) PVD 設備鍍(du)(du)一(yi)層(ceng)極薄(bo)的(de)銅(tong)(tong)(tong)(tong)種(zhong)(zhong)子(zi)層(ceng)（100nm），銜接(jie)(jie)(jie)前序的(de) TCO 和(he)后序的(de)電(dian) 鍍(du)(du)銅(tong)(tong)(tong)(tong)，種(zhong)(zhong)子(zi)層(ceng)制備后還需(xu)(xu)對其(qi)進(jin)行(xing)快速燒結處理，以進(jin)一(yi)步強化附著力。同(tong)時， 銅(tong)(tong)(tong)(tong)種(zhong)(zhong)子(zi)層(ceng)作為后續電(dian)鍍(du)(du)銅(tong)(tong)(tong)(tong)的(de)勢壘層(ceng)，可防止銅(tong)(tong)(tong)(tong)向硅內部擴散(san)。銀漿成本高有四大(da)降本路徑，兩大(da)方向。一(yi)是減少(shao)(shao)高價(jia)低溫銀漿用(yong)量，例(li)如(ru)多(duo)主(zhu) 柵(zha)（MBB）、激光(guang)轉(zhuan)印；二(er)是減少(shao)(shao)銀粉(fen)的(de)用(yong)量，使(shi)用(yong)賤金屬(shu)替代部分銀粉(fen)，例(li) 如(ru)銀包銅(tong)(tong)(tong)(tong)、電(dian)鍍(du)(du)銅(tong)(tong)(tong)(tong)。上海釜川電(dian)鍍(du)(du)銅(tong)(tong)(tong)(tong)設備廠(chang)家(jia)光(guang)伏電(dian)鍍(du)(du)銅(tong)(tong)(tong)(tong)主(zhu)要對柵(zha)線進(jin)行(xing)電(dian)鍍(du)(du)，傳(chuan)統電(dian)子(zi)行(xing)業電(dian)鍍(du)(du)的(de)機械通孔和(he)激光(guang)盲孔相對電(dian)鍍(du)(du)加工自(zi)身來說加工難度不高。

異質(zhi)結電(dian)鍍(du)銅(tong)(tong)(tong)的主(zhu)要工(gong)(gong)(gong)序：前面的兩道工(gong)(gong)(gong)藝制絨和PVD濺射。增加的工(gong)(gong)(gong)藝是(shi)用(yong)曝(pu)光(guang)(guang)(guang)機替(ti)代(dai)絲網印刷(shua)機和烤箱。具體(ti)(ti)分為(wei)圖形化和金(jin)屬化兩個環節：（1）金(jin)屬化：首先(xian)完成銅(tong)(tong)(tong)的沉積（電(dian)鍍(du)銅(tong)(tong)(tong)），然(ran)后使用(yong)不同的抗氧化方(fang)法(fa)進行處(chu)理（電(dian)鍍(du)鋅(xin)或使用(yong)抗氧化劑制作保護層）。去掉之前的掩(yan)膜(mo)(mo)、銅(tong)(tong)(tong)種(zhong)子(zi)層，露出原本的ITO。然(ran)后做(zuo)表(biao)面處(chu)理，比如文(wen)字、標(biao)簽或者組裝(zhuang)玻璃，這是(shi)一(yi)整道工(gong)(gong)(gong)序，即完成銅(tong)(tong)(tong)電(dian)鍍(du)的所有(you)過程(cheng)。（2）圖形化：先(xian)使用(yong)PVD設備做(zuo)一(yi)層銅(tong)(tong)(tong)的種(zhong)子(zi)層，然(ran)后使用(yong)油墨(mo)印刷(shua)機（掩(yan)膜(mo)(mo)一(yi)體(ti)(ti)機）的濕膜(mo)(mo)法(fa)制作掩(yan)膜(mo)(mo)。在經(jing)過掩(yan)膜(mo)(mo)一(yi)體(ti)(ti)機的印刷(shua)、烘(hong)干(gan)、曝(pu)光(guang)(guang)(guang)處(chu)理后，在感光(guang)(guang)(guang)膠或光(guang)(guang)(guang)刻膠上的圖形可以通過顯(xian)(xian)影的方(fang)法(fa)顯(xian)(xian)現出來，即圖形化工(gong)(gong)(gong)藝。

電(dian)鍍(du)(du)(du)銅(tong)設(she)備工藝(yi)的(de)光伏(fu)電(dian)池片產能(neng)：當前PERC生產成本相對較低，且(qie)由于具備更高效率的(de)Ｎ型(xing)電(dian)池，如TOPCon、HJT、IBC出(chu)現，我們認為未來PERC電(dian)池會(hui)被逐步替代(dai)，PERC電(dian)池不(bu)具有采用(yong)電(dian)鍍(du)(du)(du)銅(tong)工藝(yi)的(de)必要(yao)性。N型(xing)電(dian)池作為新(xin)技術(shu)路線，降本是其(qi)規模化(hua)發展邏輯，電(dian)鍍(du)(du)(du)銅(tong)工藝(yi)作為降本增效的(de)技術(shu)，為其(qi)降本可選技術(shu)路線之(zhi)一。根據(ju)CPIA對各類(lei)電(dian)池技術(shu)市(shi)場占比變化(hua)趨勢的(de)預測，我們計算得出(chu)2022年到2030年，適(shi)用(yong)電(dian)鍍(du)(du)(du)銅(tong)工藝(yi)的(de)全球N型(xing)電(dian)池（TOPCon、HJT、IBC）產能(neng)自13.87GW增長至(zhi)504.28GW。光伏(fu)電(dian)鍍(du)(du)(du)銅(tong)設(she)備，主(zhu)要(yao)用(yong)于光伏(fu)電(dian)池硅片鍍(du)(du)(du)銅(tong)代(dai)替銀漿(jiang)絲網印(yin)刷。

光(guang)(guang)(guang)伏電(dian)池(chi)電(dian)鍍(du)銅工(gong)(gong)序包(bao)括種(zhong)(zhong)子(zi)(zi)層制備(bei)(bei)、圖形(xing)(xing)化、電(dian)鍍(du)三大環節，涌(yong)現多種(zhong)(zhong)設(she)(she)(she)備(bei)(bei)方案。電(dian)鍍(du)銅 工(gong)(gong)藝尚未定型，各環節技(ji)術(shu)方案包(bao)括（1）種(zhong)(zhong)子(zi)(zi)層：設(she)(she)(she)備(bei)(bei)主(zhu)(zhu)要采用(yong) PVD，主(zhu)(zhu)要技(ji)術(shu)分(fen)(fen)歧 在(zai)于(yu)是否制備(bei)(bei)種(zhong)(zhong)子(zi)(zi)層、制備(bei)(bei)整(zheng)面/局部種(zhong)(zhong)子(zi)(zi)層和(he)種(zhong)(zhong)子(zi)(zi)層金(jin)屬選(xuan)用(yong)；（2）圖形(xing)(xing)化：感光(guang)(guang)(guang)材料 分(fen)(fen)為(wei)干膜(mo)(mo)和(he)油墨，主(zhu)(zhu)要技(ji)術(shu)分(fen)(fen)歧在(zai)于(yu)曝光(guang)(guang)(guang)顯(xian)影環節選(xuan)用(yong)掩(yan)膜(mo)(mo)類光(guang)(guang)(guang)刻/LDI 激(ji)(ji)光(guang)(guang)(guang)直寫/激(ji)(ji)光(guang)(guang)(guang) 開槽；（3）電(dian)鍍(du)：主(zhu)(zhu)要技(ji)術(shu)分(fen)(fen)歧在(zai)于(yu)水平鍍(du)/垂直鍍(du)/光(guang)(guang)(guang)誘(you)導(dao)電(dian)鍍(du)。釜川（無錫）智能科技(ji)有限公司(si)，以半導(dao)體生產(chan)設(she)(she)(she)備(bei)(bei)、太陽(yang)能電(dian)池(chi)生產(chan)設(she)(she)(she)備(bei)(bei)為(wei)主(zhu)(zhu)要產(chan)品，打造光(guang)(guang)(guang)伏設(she)(she)(she)備(bei)(bei)一體化服務。擁有強大的(de)(de)科研團隊，憑借技(ji)術(shu)競爭力(li)，在(zai)清洗制絨(rong)設(she)(she)(she)備(bei)(bei)、PECVD設(she)(she)(she)備(bei)(bei)、PVD設(she)(she)(she)備(bei)(bei)、電(dian)鍍(du)銅設(she)(she)(she)備(bei)(bei)等方面都有獨特優勢(shi)；以高(gao)效加工(gong)(gong)制造、快(kuai)速終端交付的(de)(de)能力(li)，為(wei)客戶(hu)提供整(zheng)線工(gong)(gong)藝設(she)(she)(she)備(bei)(bei)的(de)(de)交付服務。非接觸式(shi)電(dian)極(ji)金(jin)屬化技(ji)術(shu)——電(dian)鍍(du)銅。泛半導(dao)體電(dian)鍍(du)銅設(she)(she)(she)備(bei)(bei)報價(jia)

光伏電鍍銅(tong)量產，加速HJT降本放量。安徽HJT電鍍銅(tong)路線

光伏(fu)銅(tong)(tong)(tong)(tong)電(dian)(dian)鍍(du)(du)技(ji)術采用金屬銅(tong)(tong)(tong)(tong)完全(quan)(quan)代替銀漿作為(wei)柵線電(dian)(dian)極(ji)，實(shi)現(xian)整片電(dian)(dian)池的(de)工(gong)藝轉換，打破瓶頸，創新(xin)行(xing)業發展(zhan)。光伏(fu)電(dian)(dian)鍍(du)(du)銅(tong)(tong)(tong)(tong)設計的(de)導電(dian)(dian)方(fang)(fang)式(shi)主要有彈片式(shi)導電(dian)(dian)舟方(fang)(fang)式(shi)、水平(ping)滾輪導電(dian)(dian)、模具(ju)(ju)掛架式(shi)、彈片重(zhong)力(li)夾具(ju)(ju)等方(fang)(fang)式(shi)。合(he)理的(de)導電(dian)(dian)方(fang)(fang)式(shi)對光伏(fu)電(dian)(dian)鍍(du)(du)銅(tong)(tong)(tong)(tong)設備(bei)非常(chang)重(zhong)要是實(shi)現(xian)可(ke)(ke)量產的(de)關鍵因(yin)素之一。優良的(de)導電(dian)(dian)方(fang)(fang)式(shi)可(ke)(ke)以實(shi)現(xian)設備(bei)的(de)便(bian)捷維修(xiu)和改善電(dian)(dian)鍍(du)(du)銅(tong)(tong)(tong)(tong)片與片之間的(de)電(dian)(dian)鍍(du)(du)銅(tong)(tong)(tong)(tong)厚(hou)極(ji)差，甚至可(ke)(ke)以實(shi)現(xian)單片硅上分布電(dian)(dian)流的(de)可(ke)(ke)監控性。太陽能電(dian)(dian)池電(dian)(dian)鍍(du)(du)銅(tong)(tong)(tong)(tong)技(ji)術。這項技(ji)術不僅可(ke)(ke)提升太陽能電(dian)(dian)池板效能，而(er)且可(ke)(ke)大規模降低(di)成(cheng)本。以開掘(jue)市場潛力(li)，全(quan)(quan)新(xin)的(de)電(dian)(dian)鍍(du)(du)工(gong)藝旨在進一步針對低(di)成(cheng)本電(dian)(dian)池的(de)需(xu)求。安徽HJT電(dian)(dian)鍍(du)(du)銅(tong)(tong)(tong)(tong)路(lu)線

本文(wen)來自沈陽喜納多采暖(nuan)工程有限(xian)公司(si)：//zjlong.cn/Article/8e399704.html