Heraeus Photovoltaic-Cuiwen Guo-solarbe文库

资源描述：

HERAEUS METALLIZATION SOLUTION FOR PV INDUSTRY HPT Innovation China ❖ HPT Product Portfolio ❖ Future metallization ❖ HTP product introduction ❖ Screen printing comparison ❖ Topcon and N-type ❖ Summary OUTLINE HERAEUS PHOTOVOLTAICS - Innovation China Opening of production line in Taiwan Purchase integration of the Ferro Corporation‘s solar paste business Opening of technical service lab in Taiwan Formation of Heraeus Photovoltaics 20182016201520132012201120102009 Expansion of business beyond pasteOpening of regional Product Modification Labs in China and Taiwan region 2017 Product modification lab Japan Opening of the APAC Technology and Development Center in China Further intensifying market presence in China first step into India Opening of full service site in Singapore 在光伏电池浆料技术领域拥有 30余年的悠久历史（自兼并 Ferro Corporation 的光伏电池浆料业务起）在厚膜浆料领域拥有超过 45年的丰富经验 HERAEUS PHOTOVOLTAICS - Innovation China 悠久的光伏行业发展历程为更好服务客户 2019 中国研发中心已成立 610 For Tandem cells 9681Series UFL Superior contact 600 Lower rhoc 6600 9662B2 68006700 For poly ＜ 50nm 7400 Series 9370 Series 9651D DWC/MCCE Superior Contact 9651B2 Double Passivation 9661D DWC/MCCE High eff adhesion HERAEUS SOL-SILVER PASTE PRODUCT PORTFOLIO HERAEUS PHOTOVOLTAICS - Innovation China 580 Lower Line R 570560 9380 Series9360 Series 9641B PERC ULDE 9641A Superior Adhesion Con ve nti on al Cel l Ad va nce d Cel l 9631C Superior Printability 9641AX 9641BX For Knotless Screen 590 Higher adhesion 2016 2017 2018 2019 2020 2021 9651B SE Mono PERC 9671D DWC/MCCE Low surface damage 9651 Series 9661B SE ULDE MBB 9671Series Low surface damage 7100 Series 9652B2 Double Print Package AB and AA’ Double Print Package AB and AA’ 7200 Series Reduced J0met 9642A1 9642B1 9652B1 9662B1 9672X 9642A2 9642B2 Double Print Package 9661B2 Double Passivation 9390 Series For n BS 9682X Double Print Package 6900 7300 Series For poly ＜ 100nm 9400 Series Today Better printability Higher Voc Lower rhocImproved Contact Non-Contact BB Excellent adhesion Lower LD MBB 1st Layer （ A layer 2nd Layer A’ or B layer Single Print Double Print N-Type HJT TOPCon Floating BB 9671B2 Low surface damage 9681B2 UFL Superior contact In PERC, the dominant loss mechanism has been limited Rear side is optimized with local BSF Wafer quality is improved BO defects Selective emitter 2 is already implemented Laser doping What’s next Metallization Advanced metallization – Voc fine line printing Reduce metal caused metallization Fine lines approaching 20 µm or even finer– ultrafine line “Novel” firing process Passivated contact Ref Incremental efficiency improvements of mass produced PERC cells up to 24., B. Min et al., 31st Eurpoean Photovoltaic Solar Energy Conference, Sep 2015 HERAEUS PHOTOVOLTAICS - Innovation China FURTHER METALLIZATION 未来金属化解决方案 SOL9661B PRODUCT FOR MONO PERC SE PERC单晶 SE上表现 New generation high efficiency front-side paste › Outstanding efficiency by excellent contact on LDSE PERC › Ultra-fine-line UFL screen printing for defect- free mass production and low laydown › High adhesion HERAEUS PHOTOVOLTAICS - Innovation China Paste 9651B 9661B Ncell 0 0.08 Uoc 0 0.4 Isc 0 21 FF 0 0.22 9661B 3-5µ thinner 9651B HERAEUS PHOTOVOLTAICS - Innovation China SOL9661B2 PRODUCT FOR “DOUBLE PASSIVATION” PERC 双面钝化 PERC New front-side paste for ALD Stack Passivation Perc Mono › Specially designed paste for “Double Passivation” PERC cell › High FF, excellent fine-line printability for better efficiency › Single, Dual and Double printing package available for efficiency boost › Wide process window Wafer Perc Mono with ALD Stack Passivation Screen 360/16 Mesh-32um Opening Paste SOL9662B2 VS BSL Screen Printing ΔDeposit/ Pcs 4 ΔFired L.W. 2 ΔFired L.H. 0 Electrical Performance ΔEff [] 0.11 ΔVoc [mV] 1.0 ΔIsc [mA] 33 ΔFF [] 0.1 Regular Paste Poor penetration of stack passivation layers 9661B2 Well penetration of stack passivation layers Regular Paste Wrapping deposition issue with Maia PECVD process HERAEUS PHOTOVOLTAICS - Innovation China SOL9661DPRODUCT FOR MC CELL 多晶电池专用浆料 New generation high efficiency front-side paste for DWC MC › Ultra-Fine-Line printing for boosting additional efficiency gain on DWC wafer › New glass can provide superior adhesion in DWC/Black-silicon cells › Balanced metallization in both contact and Voc to achieve great efficiency gain DWC Additive DWC MCCE HERAEUS PHOTOVOLTAICS - Innovation China SOL6700FBB FOR DUAL-PRINTING, 分步印刷主栅浆料 New Generation Busbar paste for Dual-Printing › Design for Dual Printing with low laydown › Less reactivity into the passivation SiNx and AlOx/SiNx › Excellent adhesion and wide soldering window S O L 6 7 0 0B a s e l i n e 5 . 0 4 . 5 4 . 0 3 . 5 3 . 0 2 . 5 2 . 0 A d h e s io [ N ] 2 . 7 5 1 3 . 9 2 6 S O L 6 7 0 0 s h o w s H i g h e r A d h e s i o n c o m p a r i n g t o D P p a c k a g e S o u r c e i s f r o m c u s t o e m r s i t e Busbar Paste comparison SOL6700 Vs. BSL Eff. 0.035 Isc mA -5 Voc mV 0.5 FF abs 0.11 Rse Ω -0.1 Rshunt Ω 50.3 SOL9662B SERIES DESIGNED FOR DOUBLE PRINTING 为两次印刷浆料 New generation high efficiency front-side DP paste › Flexible package AA’ or AB to balance laydown and efficiency › A B package higher adhesion and low laydown › A A’ package higher efficiency by excellent performance of A.R. and contact. › “0 “ EL defect HERAEUS PHOTOVOLTAICS - Innovation China Wafer Mono PERC SE Screen DP1 380/14-18 Opening/ DP2 380/14-20 Opening Paste SOL9662B VS SOL9652B Screen Printing ΔDeposit/ Pcs -10mg ΔFired L.W. -2.1um ΔFired L.H. 1.5um Electrical Performance ΔEff [] 0.08 ΔVoc [mV] 0.72 ΔIsc [mA] 32.6 ΔFF [] -0.12 AB AA’ Single Printing Double Printing SINGLE PRINT VS DUAL PRINT VS DOUBLE PRINT 0 1 2 3 4 5 6 7 8 9 10 Eff EL AdhesionLaydown Process capability DUP Cost focus SP Process focus HERAEUS PHOTOVOLTAICS - Innovation China DUAL-P STRIVES FOR COST AND PROCESS CAPABILITY N P Finger Busbar glass N P Finger Busbar glass Laydown saving Passivation protection Screen Printing Mode SP Dual P Finger Parameters 430/13-20-10- 26 430/13-20-10- 26 BB Parameters n.a 360/16-22-10 Paste Paste Group 9651B BB SOL6600 Finger 9651B Total Laydown [mg] 0 -10 I-V Eff [] 0 0.01 Voc [mV] 0 1.2 Isc [mA] 0 -4.2 FF [] 0 -0.15 Rs [mΩ] 0 0.08 Adhesion [N] 0 1 › Cost saving by laydown saving › Cheap screen for BB paste HERAEUS PHOTOVOLTAICS - Innovation China DOUBLE-P STRIVES FOR PERFORMANCE N P B layer B layerA layer glass N P A’ layer A’ layerA layer glass Best aspect ratio Better aspect ratio Better Contact Good Contact Passivation half- protection Passivation full- protection Printing Mode SP AB AA’ Screen DP1 380/14-17-13- 27 380/14-17- 11-23 380/14-17-8 - 21 DP2 380/14-17-13-22 380/14-17-10-22 Paste DP01 name 9651B 9652B1 9652B1 DP02 name 9652B2 9652B Printing Deposit [mg] 0 -10 -6 Fired L.W. [um] 0 -3.3 -6.1 Fired L.H. [um] 0 -3 1 I-V Eff [] 0 0.08 0.10 Voc [mV] 0 1.8 0.8 Isc [mA] 0 17 26 FF [] 0 -0.2 0.1 Adhesion 0 1.5N -0.1N HERAEUS PHOTOVOLTAICS - Innovation China HERAEUS PHOTOVOLTAICS - Innovation China SOL7200 PRODUCT N-TOPCON REAR N-TOPCON背面单次 /分步印刷用组合 Breakthrough back-side paste for N-Topcon cell Efficiency Voc Fill Factor Similar Less damage after firing on Poly Si layer HERAEUS PHOTOVOLTAICS - Innovation China SOL9380 FS SERIES N-TYPE CELL 为 N型正面两次 /分步印刷用组合 New generation high efficiency front-side paste for N-type › Applied to contact P layer, for N-Pert, N-Perl and N-Topcon › Improved Voc and contact › Double and Dual printing application › Fine line printing with improved printability › High space of Eff gain with process optimization 9370 9380 HERAEUS PHOTOVOLTAICS - Innovation China HPT REDUCTION OF LCOE 贺利氏一直致力于降低度电成本 10 15 20 25 30 35 2016 2017 2018 2019Des ig ne d O pe ni ng /u m Designed opening from 2016 to 2019 Single （ 22.5 degree Knotless Double Printing HERAEUS PHOTOVOLTAICS - Innovation China SOL9661B Ultra-Fine-line screen printing Superior contact and Voc for SE PERC emitter Low laydown and high adhesion SOL9662B Ultra-low laydown and high adhesion Great printability and superior overlapping AA’ and AB double-print packages available FS paste for Double- Printing SOL9661B2 High FF, excellent fine-line printability for better efficiency Single, Dual and double printing package available for efficiency boost FS paste for “Double Passivation” PERC cell SOL9661D Ultra-Fine-Line printing for efficiency boosting Superior adhesion in DWC/Black-silicon cells Balanced metallization in both contact and Voc to achieve great efficiency gain. FS paste for DWC mc Cell SOL6700 Designed for Dual Printing with low laydown Less reactivity into the passivation SiNx and AlOx/SiNx Excellent adhesion and wide soldering window Dual Printing Busbar Paste SOL7200 Designed for N-type cells with TOPCon on rear Fire through paste for high temperature passivated contact Very low metal induced recombination leading to higher Voc Rear paste for Topcon cell SOL9380 Improved Voc and contact Double and Dual printing application Fine line printing with improved printability FS paste for N-type Perl, Topcon HERAEUS SILVER PASTES BOOST EFFICIENCY FS paste for PERCSE cell