CN104183670A - 一种太阳能电池钝化膜的制作方法 - Google Patents
一种太阳能电池钝化膜的制作方法 Download PDFInfo
- Publication number
- CN104183670A CN104183670A CN201410448332.6A CN201410448332A CN104183670A CN 104183670 A CN104183670 A CN 104183670A CN 201410448332 A CN201410448332 A CN 201410448332A CN 104183670 A CN104183670 A CN 104183670A
- Authority
- CN
- China
- Prior art keywords
- solar cell
- thin layer
- silicon dioxide
- passive film
- oxidized
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 15
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 13
- 239000010703 silicon Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000009792 diffusion process Methods 0.000 claims abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000005530 etching Methods 0.000 claims abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 5
- 239000011574 phosphorus Substances 0.000 claims abstract description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 5
- 230000035484 reaction time Effects 0.000 claims abstract description 5
- 238000002161 passivation Methods 0.000 claims description 13
- 230000000415 inactivating effect Effects 0.000 claims description 8
- 210000002268 wool Anatomy 0.000 claims description 5
- 230000008021 deposition Effects 0.000 claims description 4
- 235000008216 herbs Nutrition 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 229920005591 polysilicon Polymers 0.000 claims description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 229910052581 Si3N4 Inorganic materials 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 101100042630 Caenorhabditis elegans sin-3 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/186—Particular post-treatment for the devices, e.g. annealing, impurity gettering, short-circuit elimination, recrystallisation
- H01L31/1868—Passivation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0236—Special surface textures
- H01L31/02363—Special surface textures of the semiconductor body itself, e.g. textured active layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
- Formation Of Insulating Films (AREA)
Abstract
本发明公开了一种太阳能电池钝化膜的制作方法,(1)将P型多晶硅片完成酸制绒、磷扩散、刻蚀清洗工序后采用臭氧对硅片表面进行氧化钝化,生成一层二氧化硅薄层,所述臭氧浓度为10~40mg/L,流量为2~10slm,反应时间为2~10分钟;(2)将氧化钝化后的硅片送入镀膜设备中,在二氧化硅薄层表面沉积一层均匀的氮化硅薄层。本发明可有效提升短路电流和开路电压,电池效率将有0.1%左右的提升,同时成本低廉,且该技术与传统镀膜工艺兼容,适合于大批量生产。
Description
技术领域
本发明涉及一种太阳能电池制作方法,具体涉及一种太阳能电池钝化膜的制作方法。
背景技术
目前,随着太阳能电池片生产技术不断进步,生产成本不断降低,转换效率不断提高,使光伏发电的应用日益普及并迅猛发展,逐渐成为电力供应的重要来源。太阳能电池片是一种能量转换的光电元件,它可以在太阳光的照射下,把光的能量转换成电能,从而实现光伏发电。生产电池片的工艺比较复杂,一般要经过硅片检测、表面制绒、扩散制结、去磷硅玻璃、等离子刻蚀、镀减反射膜、丝网印刷、快速烧结和检测分装等主要步骤。常规硅电池的钝化一般集成在镀膜步骤中,在镀膜过程中,反应气体的氢键与硅片表面的缺陷键位结合,形成氢钝化。但是,氢钝化形成的键位在后续烧结步骤中容易断开,导致钝化效果降低,影响最终电池的效率。如何更进一步提高电池转换效率,降低成本成为现在重要课题。
发明内容
本发明所要解决的技术问题是提供一种太阳能电池钝化膜的制作方法,可有效提升短路电流和开路电压,电池效率将有0.1%左右的提升,同时成本低廉,且该技术与传统镀膜工艺兼容,适合于大批量生产。
本发明解决技术问题所采用的技术方案是:一种太阳能电池钝化膜的制作方法,
(1)将P型多晶硅片完成酸制绒、磷扩散、刻蚀清洗工序后采用臭氧对硅片表面进行氧化钝化,生成一层二氧化硅薄层,所述臭氧浓度为10~40mg/L,流量为2~10slm,反应时间为2~10分钟;
(2)将氧化钝化后的硅片送入镀膜设备中,在二氧化硅薄层表面沉积一层均匀的氮化硅薄层。
作为一种优选,步骤(1)中所述的二氧化硅薄层厚度为5~10nm。
本发明的有益效果是: 本发明通过优化镀膜的膜层形式,使太阳能电池效率有0.1%左右的提升,节约生产成本,且与传统太阳能电池生产线兼容,适合于大规模生产。
附图说明
图1为本发明实施例太阳能电池表面钝化后结构示意图。
附图说明:1、太阳能电池硅片;2、二氧化硅薄层;3、氮化硅薄层。
下面结合附图对本发明做进一步说明。
具体实施方式
实施例1:结合附图,一种太阳能电池钝化膜的制作方法,步骤如下:
(1)将P型多晶硅片完成酸制绒、磷扩散、刻蚀清洗工序后采用臭氧对硅片1表面进行氧化钝化,生成一层二氧化硅薄层2,所述臭氧浓度为10mg/L,流量为10slm,反应时间为10分钟;
(2)将氧化钝化后的硅片送入镀膜设备中,在二氧化硅薄层表面沉积一层均匀的氮化硅薄层3,该二氧化硅薄层厚度为10nm。
实施例2:另一种太阳能电池钝化膜的制作方法,步骤如下:
(1)将P型多晶硅片完成酸制绒、磷扩散、刻蚀清洗工序后采用臭氧对硅片表面进行氧化钝化,生成一层二氧化硅薄层,所述臭氧浓度为40mg/L,流量为2slm,反应时间为2分钟;
(2)将氧化钝化后的硅片送入镀膜设备中,在二氧化硅薄层表面沉积一层均匀的氮化硅薄层,该二氧化硅薄层厚度为5nm。
Claims (2)
1.一种太阳能电池钝化膜的制作方法,其特征在于:
(1)将P型多晶硅片完成酸制绒、磷扩散、刻蚀清洗工序后采用臭氧对硅片表面进行氧化钝化,生成一层二氧化硅薄层,所述臭氧浓度为10~40mg/L,流量为2~10slm,反应时间为2~10分钟;
(2)将氧化钝化后的硅片送入镀膜设备中,在二氧化硅薄层表面沉积一层均匀的氮化硅薄层。
2.如权利要求1所述的太阳能电池钝化膜的制作方法,其特征在于:步骤(1)中所述的二氧化硅薄层厚度为5~10nm。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410448332.6A CN104183670A (zh) | 2014-09-05 | 2014-09-05 | 一种太阳能电池钝化膜的制作方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410448332.6A CN104183670A (zh) | 2014-09-05 | 2014-09-05 | 一种太阳能电池钝化膜的制作方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104183670A true CN104183670A (zh) | 2014-12-03 |
Family
ID=51964572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410448332.6A Pending CN104183670A (zh) | 2014-09-05 | 2014-09-05 | 一种太阳能电池钝化膜的制作方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104183670A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104821345A (zh) * | 2015-05-05 | 2015-08-05 | 广东爱康太阳能科技有限公司 | 一种抗电势诱导衰减太阳能电池的制备方法 |
CN109273560A (zh) * | 2018-09-29 | 2019-01-25 | 苏州昊建自动化系统有限公司 | 一种用于硅电池的二氧化硅膜离线生成系统 |
CN115274923A (zh) * | 2022-07-20 | 2022-11-01 | 无锡松煜科技有限公司 | 一种光伏N型TOPCon电池ALD钝化膜制造工艺 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102427097A (zh) * | 2011-11-23 | 2012-04-25 | 中国科学院物理研究所 | 一种硅的氧化钝化方法及钝化装置 |
CN103050569A (zh) * | 2011-10-17 | 2013-04-17 | 欧司朗股份有限公司 | 用于制造包括二氧化硅层的光伏元件的方法 |
CN103296143A (zh) * | 2013-06-18 | 2013-09-11 | 常州时创能源科技有限公司 | 晶体硅太阳能电池表面钝化处理工艺 |
CN103872184A (zh) * | 2014-04-03 | 2014-06-18 | 苏州阿特斯阳光电力科技有限公司 | 一种抗pid晶体硅太阳能电池制作方法 |
CN103928535A (zh) * | 2014-04-25 | 2014-07-16 | 中利腾晖光伏科技有限公司 | 抗pid晶体硅电池及其制备方法 |
-
2014
- 2014-09-05 CN CN201410448332.6A patent/CN104183670A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103050569A (zh) * | 2011-10-17 | 2013-04-17 | 欧司朗股份有限公司 | 用于制造包括二氧化硅层的光伏元件的方法 |
CN102427097A (zh) * | 2011-11-23 | 2012-04-25 | 中国科学院物理研究所 | 一种硅的氧化钝化方法及钝化装置 |
CN103296143A (zh) * | 2013-06-18 | 2013-09-11 | 常州时创能源科技有限公司 | 晶体硅太阳能电池表面钝化处理工艺 |
CN103872184A (zh) * | 2014-04-03 | 2014-06-18 | 苏州阿特斯阳光电力科技有限公司 | 一种抗pid晶体硅太阳能电池制作方法 |
CN103928535A (zh) * | 2014-04-25 | 2014-07-16 | 中利腾晖光伏科技有限公司 | 抗pid晶体硅电池及其制备方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104821345A (zh) * | 2015-05-05 | 2015-08-05 | 广东爱康太阳能科技有限公司 | 一种抗电势诱导衰减太阳能电池的制备方法 |
CN109273560A (zh) * | 2018-09-29 | 2019-01-25 | 苏州昊建自动化系统有限公司 | 一种用于硅电池的二氧化硅膜离线生成系统 |
CN115274923A (zh) * | 2022-07-20 | 2022-11-01 | 无锡松煜科技有限公司 | 一种光伏N型TOPCon电池ALD钝化膜制造工艺 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105226112B (zh) | 一种高效晶硅太阳能电池的制备方法 | |
CN102723266B (zh) | 太阳能电池扩散方法 | |
CN102655185A (zh) | 异质接面太阳能电池 | |
KR20090007127A (ko) | 계면 활성제 및 산 용액 습식식각 방법을 이용한 삼결정실리콘의 태양전지 제조방법 | |
CN107195784A (zh) | 一种快速氧化处理钙钛矿太阳电池空穴传输层的方法 | |
CN102199760A (zh) | 一种双层氮化硅减反膜的制作方法 | |
CN101609796B (zh) | 薄膜形成方法和薄膜太阳能电池的制造方法 | |
TW201624743A (zh) | 異質接面太陽能電池及其製造方法 | |
CN106505128A (zh) | 一种硅基异质结电池的制备方法 | |
CN104538485A (zh) | 一种双面电池的制备方法 | |
CN104183670A (zh) | 一种太阳能电池钝化膜的制作方法 | |
CN104319308B (zh) | 一种提高晶体硅太阳能电池扩散均匀性的方法 | |
CN104659150A (zh) | 一种晶体硅太阳电池多层减反射膜的制备方法 | |
CN102484166A (zh) | 制造光伏电池结构的方法 | |
CN104091839B (zh) | 一种用于太阳能电池片的减反射膜的制造方法 | |
CN105552143B (zh) | N型掺杂硅薄膜、其制备方法和包括其的太阳能电池 | |
CN106133916B (zh) | 太阳能电池光接收表面的钝化 | |
CN104051570A (zh) | 一种太阳能电池的制作方法 | |
CN104600159A (zh) | 抗pid晶体硅电池的高频放电制备法 | |
CN113921649A (zh) | 一种硅基异质结太阳能电池制备方法 | |
CN109461783A (zh) | 一种双面晶硅太阳能电池及其制作方法 | |
CN107768482A (zh) | 一种晶体硅太阳能电池热氧工艺 | |
CN104167466A (zh) | 一种太阳能电池的表面钝化方法 | |
CN103236470B (zh) | 一种晶体硅太阳电池二氧化硅薄膜的制备方法 | |
TWI573286B (zh) | 太陽能電池的製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141203 |