CN106816496A - 光伏电池板的制造方法 - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 57
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 57
- 239000010703 silicon Substances 0.000 claims abstract description 57
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 11
- 229910052582 BN Inorganic materials 0.000 claims abstract description 7
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003637 basic solution Substances 0.000 claims abstract description 7
- 238000005260 corrosion Methods 0.000 claims abstract description 7
- 230000007797 corrosion Effects 0.000 claims abstract description 7
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 7
- 239000010432 diamond Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 15
- 239000013078 crystal Substances 0.000 claims description 15
- 238000005245 sintering Methods 0.000 claims description 10
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 claims description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 238000005660 chlorination reaction Methods 0.000 claims description 5
- 239000004519 grease Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000005297 pyrex Substances 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- 229910021422 solar-grade silicon Inorganic materials 0.000 claims description 5
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 claims description 5
- 229960002415 trichloroethylene Drugs 0.000 claims description 5
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 claims description 5
- 230000009466 transformation Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 description 4
- -1 borings Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
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- Y02E10/00—Energy generation through renewable energy sources
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- Y02E10/547—Monocrystalline silicon PV cells
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- 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
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Abstract
本发明公开了一种光伏电池板的制造方法,涉及太阳能技术领域,该光伏电池板采用氢氧化钾碱性溶液对硅片表面进行表面腐蚀处理5~9小时,利用氮气作为保护气氛,在810~1050℃高温条件下,使氮化硼进行扩散,便可在硅片上形成PN结,用金刚砂将硅片背面的PN结磨去采用丝网印刷法,形成正负电极引线,共烧形成金属接触形成光伏电池板。制作出来的光伏电池板光电转换效率高,提高了太阳能的利用率。
Description
技术领域
本发明涉及太阳能技术领域,更具体地说,本发明涉及一种光伏电池板的制造方法。
背景技术
光伏电池是利用光电转换原理使太阳的辐射光通过半导体物质转变为电能的一种器件,这种光电转换过程通常叫做“光生伏打效应”。现在的光伏电池板的硅片加工工艺比较简单,制造出来的光伏电池的光电转换效能一般,无法生产出更多的电能。
发明内容
本发明所要解决的问题是提供一种光伏电池板的制造方法。
为了实现上述目的,本发明采取的技术方案为:一种光伏电池板的制造方法,其特征在于,包括如下步骤:
(1)是把性能一致的硅片选择出来,再用三氯乙烯和甲苯混合溶液将硅片上沾污的尘埃、金属切屑、油脂清洗掉,采用坩锅直拉法制的太阳级单晶硅棒,原始的形状为圆柱形,然后切割成方形硅片;
(2)采用氢氧化钾碱性溶液对硅片表面进行表面腐蚀处理5~9小时,使硅片表面平整光亮;
(3)将氯化硼片加热、通氧,表面会生成三氯化二硼,再使其与硅晶体发生化学反应,形成的硼硅玻璃会沉积在硅晶体的表面,再利用氮气作为保护气氛,在810~1050℃高温条件下,使氮化硼进行扩散,便可在硅片上形成PN结,用金刚砂将硅片背面的PN结磨去;
(4)采用丝网印刷法,即通过特殊的印刷机和模版将银浆铝浆印刷在太阳电池的正背面,以形成正负电极引线;
(5)对硅片采用链式烧结炉进行快速烧结,共烧形成金属接触形成光伏电池板,完成的电池板经过测试分档进行归类。
有益效果:该光伏电池板采用氢氧化钾碱性溶液对硅片表面进行表面腐蚀处理5~9小时,利用氮气作为保护气氛,在810~1050℃高温条件下,使氮化硼进行扩散,便可在硅片上形成PN结,用金刚砂将硅片背面的PN结磨去采用丝网印刷法,形成正负电极引线,共烧形成金属接触形成光伏电池板。制作出来的光伏电池板光电转换效率高,提高了太阳能的利用率。
具体实施方式
实施例1:
该光伏电池板的制造方法包括如下步骤:
(1)是把性能一致的硅片选择出来,再用三氯乙烯和甲苯混合溶液将硅片上沾污的尘埃、金属切屑、油脂清洗掉,采用坩锅直拉法制的太阳级单晶硅棒,原始的形状为圆柱形,然后切割成方形硅片;
(2)采用氢氧化钾碱性溶液对硅片表面进行表面腐蚀处理9小时,使硅片表面平整光亮;
(3)将氯化硼片加热、通氧,表面会生成三氯化二硼,再使其与硅晶体发生化学反应,形成的硼硅玻璃会沉积在硅晶体的表面,再利用氮气作为保护气氛,在810℃高温条件下,使氮化硼进行扩散,便可在硅片上形成PN结,用金刚砂将硅片背面的PN结磨去;
(4)采用丝网印刷法,即通过特殊的印刷机和模版将银浆铝浆印刷在太阳电池的正背面,以形成正负电极引线;
(5)对硅片采用链式烧结炉进行快速烧结,共烧形成金属接触形成光伏电池板,完成的电池板经过测试分档进行归类。
实施例2:
该光伏电池板的制造方法包括如下步骤:
(1)是把性能一致的硅片选择出来,再用三氯乙烯和甲苯混合溶液将硅片上沾污的尘埃、金属切屑、油脂清洗掉,采用坩锅直拉法制的太阳级单晶硅棒,原始的形状为圆柱形,然后切割成方形硅片;
(2)采用氢氧化钾碱性溶液对硅片表面进行表面腐蚀处理7小时,使硅片表面平整光亮;
(3)将氯化硼片加热、通氧,表面会生成三氯化二硼,再使其与硅晶体发生化学反应,形成的硼硅玻璃会沉积在硅晶体的表面,再利用氮气作为保护气氛,在960℃高温条件下,使氮化硼进行扩散,便可在硅片上形成PN结,用金刚砂将硅片背面的PN结磨去;
(4)采用丝网印刷法,即通过特殊的印刷机和模版将银浆铝浆印刷在太阳电池的正背面,以形成正负电极引线;
(5)对硅片采用链式烧结炉进行快速烧结,共烧形成金属接触形成光伏电池板,完成的电池板经过测试分档进行归类。
实施例3:
该光伏电池板的制造方法包括如下步骤:
(1)是把性能一致的硅片选择出来,再用三氯乙烯和甲苯混合溶液将硅片上沾污的尘埃、金属切屑、油脂清洗掉,采用坩锅直拉法制的太阳级单晶硅棒,原始的形状为圆柱形,然后切割成方形硅片;
(2)采用氢氧化钾碱性溶液对硅片表面进行表面腐蚀处理5小时,使硅片表面平整光亮;
(3)将氯化硼片加热、通氧,表面会生成三氯化二硼,再使其与硅晶体发生化学反应,形成的硼硅玻璃会沉积在硅晶体的表面,再利用氮气作为保护气氛,在1050℃高温条件下,使氮化硼进行扩散,便可在硅片上形成PN结,用金刚砂将硅片背面的PN结磨去;
(4)采用丝网印刷法,即通过特殊的印刷机和模版将银浆铝浆印刷在太阳电池的正背面,以形成正负电极引线;
(5)对硅片采用链式烧结炉进行快速烧结,共烧形成金属接触形成光伏电池板,完成的电池板经过测试分档进行归类。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明的说明书内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。
Claims (1)
1.一种光伏电池板的制造方法,其特征在于,包括如下步骤:
(1)是把性能一致的硅片选择出来,再用三氯乙烯和甲苯混合溶液将硅片上沾污的尘埃、金属切屑、油脂清洗掉,采用坩锅直拉法制的太阳级单晶硅棒,原始的形状为圆柱形,然后切割成方形硅片;
(2)采用氢氧化钾碱性溶液对硅片表面进行表面腐蚀处理5~9小时,使硅片表面平整光亮;
(3)将氯化硼片加热、通氧,表面会生成三氯化二硼,再使其与硅晶体发生化学反应,形成的硼硅玻璃会沉积在硅晶体的表面,再利用氮气作为保护气氛,在810~1050℃高温条件下,使氮化硼进行扩散,便可在硅片上形成PN结,用金刚砂将硅片背面的PN结磨去;
(4)采用丝网印刷法,即通过特殊的印刷机和模版将银浆铝浆印刷在太阳电池的正背面,以形成正负电极引线;
(5)对硅片采用链式烧结炉进行快速烧结,共烧形成金属接触形成光伏电池板,完成的电池板经过测试分档进行归类。
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Cited By (2)
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CN109585602A (zh) * | 2018-12-03 | 2019-04-05 | 江苏中宇光伏科技有限公司 | 一种双面电极太阳能电池片smt贴装结构及其生产工艺 |
AU2018409644A1 (en) * | 2018-11-23 | 2020-04-23 | Tongwei Solar (Hefei) Co., Ltd. | Method and system for manufacturing solar cells and shingled solar cell modules |
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Cited By (7)
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AU2018409644A1 (en) * | 2018-11-23 | 2020-04-23 | Tongwei Solar (Hefei) Co., Ltd. | Method and system for manufacturing solar cells and shingled solar cell modules |
AU2018409644B2 (en) * | 2018-11-23 | 2020-10-01 | Tongwei Solar (Hefei) Co., Ltd. | Method and system for manufacturing solar cells and shingled solar cell modules |
US10825742B2 (en) | 2018-11-23 | 2020-11-03 | Chengdu Yefan Science And Technology Co., Ltd. | Method and system for manufacturing solar cells and shingled solar cell modules |
AU2018409644C1 (en) * | 2018-11-23 | 2021-03-04 | Tongwei Solar (Hefei) Co., Ltd. | Method and system for manufacturing solar cells and shingled solar cell modules |
US10991633B2 (en) | 2018-11-23 | 2021-04-27 | Chengdu Yefan Science And Technology Co., Ltd. | Method and system for manufacturing solar cells and shingled solar cell modules |
US10991634B2 (en) | 2018-11-23 | 2021-04-27 | Chengdu Yefan Science And Technology Co., Ltd. | Method and system for manufacturing solar cells and shingled solar cell modules |
CN109585602A (zh) * | 2018-12-03 | 2019-04-05 | 江苏中宇光伏科技有限公司 | 一种双面电极太阳能电池片smt贴装结构及其生产工艺 |
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