CN106486210A - 一种提高导电浆料丝网印刷线形高宽比的方法 - Google Patents
一种提高导电浆料丝网印刷线形高宽比的方法 Download PDFInfo
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- 239000002002 slurry Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000007650 screen-printing Methods 0.000 title claims abstract description 12
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 28
- 239000011737 fluorine Substances 0.000 claims abstract description 28
- 239000004094 surface-active agent Substances 0.000 claims abstract description 27
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 claims abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 230000009466 transformation Effects 0.000 abstract description 6
- 238000007639 printing Methods 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
本发明公开了一种提高导电浆料丝网印刷线形高宽比的方法,其是在导电浆料制备过程中添加氟表面活性剂。所述的氟表面活性剂包括3MTM NovecTM 氟表面活性剂或DuPont Capstone氟表面活性剂,所述的3MTM NovecTM 氟表面活性剂包括FC‑4430、FC‑4432或FC‑430;所述的DuPont Capstone氟表面活性剂包括FS‑22、FS‑30、FS‑31、FS‑61、FS‑63、FS‑64、FS‑65、FS‑81或FS‑83,所述的氟表面活性剂的添加量为0.005wt%‑0.5wt%。本发明可以提升电池片短路电流(Isc)至少20mA,从而提升电池片的转化效率,添加了氟表面活性剂的导电银浆印刷所得到的太阳能电池,就能获得高高宽比的电极,从而达到提高太阳能电池转化效率的目的。
Description
技术领域
本发明涉及可用于在半导体装置(尤其是晶体硅太阳能电池)上形成正面电极的厚膜导电浆料,特别是涉及提高厚膜导电浆料丝网印刷线形高宽比的方法及应用。
背景技术
在太阳能电池行业,更窄的正面电极的细栅以及更高的栅线高度是提升短路电流的有效方式。这主要是由于细栅宽度的变窄有利于有效减小电极对电池片的遮蔽作用,而更高的栅线高度是为了保证在细栅变窄的时候,能够保证电极拥有较好的导电性能。而实现这个目的的方法大致可以分为两类:(1)通过减小网版的设计开口。此法能很快降低细栅的宽度,从而提高高宽比。但是随着网版设计开口的降低,这将逐步达到网版材料的极限;而且更为重要的是,网版设计开口的减小会直接影响到浆料的印刷和生产的稳定性。(2)通过对导电浆料的改进,让导电浆料在印刷到硅片上之后减小扩线和塌陷。因此,有必要有效地减小细栅的宽度以及提高栅线的高度,从而达到提高高宽比,进而提升电池片短路电流,最终达到提升电池片的转化效率。
发明内容
本发明所要解决的技术问题是提供一种提高导电浆料丝网印刷线形高宽比的方法,以便提升电池片短路电流(Isc)至少20mA,从而提升电池片的转化效率。
本发明解决技术问题所采取的技术方案是,一种提高导电浆料丝网印刷线形高宽比的方法,其是在导电浆料制备过程中添加氟表面活性剂。
作为优选,所述的氟表面活性剂包括3MTM NovecTM 氟表面活性剂或DuPontCapstone氟表面活性剂。
作为优选,所述的3MTM NovecTM 氟表面活性剂包括FC-4430、FC-4432或FC-430;所述的DuPont Capstone氟表面活性剂包括FS-22、FS-30、FS-31、FS-61、FS-63、FS-64、FS-65、FS-81或FS-83。
作为优选,所述的氟表面活性剂的添加量为0.005wt%-0.5wt%。
所述的导电浆料主要是应用于晶硅太阳能电池上的正面银浆。
本发明用添加了氟表面活性剂的导电银浆印刷所得到的太阳能电池,就能获得高高宽比的电极。从而达到提高太阳能电池转化效率的目的。
具体实施方式
本发明提供一种提高导电浆料丝网印刷线形高宽比的方法,其具体实施如下:在导电浆料配料过程中加入氟表面活性剂,其中氟表面活性剂的含量为0.005wt%-0.5wt%,然后各种原材料经过混合、过三辊机、过滤、脱泡等步骤之后既得。同时制备不添加氟表面活性剂的导电浆料作为对比。
下面结合具体实例对本发明作进一步说明,但不限定本发明。
实施例1:
在配料过程中添加FC-4430,添加量为0.05wt%,然后制备成导电银浆。
实施例2:
在配料过程中添加FC-4430,添加量为0.1wt%,然后制备成导电银浆。
实施例3:
在配料过程中添加FS-61,添加量为0.3wt%,然后制备成导电银浆。
实施例4:
在配料过程中添加FS-81,添加量为0.5wt%,然后制备成导电银浆。
对比例1:
在配料过程中不添加氟表面活性剂,然后制备成导电银浆。
由实施例和对比例导电浆料印刷得到的电池片的电性能参数和高宽比数据(如表1),添加了氟表面活性剂的浆料的高宽比得到了显著地提升,与此同时,短路电流也显著地增加了至少20mA。从而转化效率也得到了明显地提升。
表1 由实施例和对比例导电浆料印刷得到的电池片的电性能参数和高宽比数据
Uoc(V) | Isc(A) | Rs(Ω) | FF | Eff | 线宽(um) | 线高(um) | 高宽比 | |
实施例1 | 0.639318 | 9.260455 | 0.00247 | 79.65511 | 19.470% | 40.7 | 15.1 | 0.37 |
实施例2 | 0.637659 | 9.299043 | 0.002245 | 79.72174 | 19.517% | 40.5 | 15.5 | 0.38 |
实施例3 | 0.638714 | 9.31659 | 0.0022 | 79.52783 | 19.538% | 39.8 | 15.9 | 0.40 |
实施例4 | 0.637584 | 9.283493 | 0.002425 | 79.5659 | 19.444% | 41.7 | 14.7 | 0.35 |
对比例1 | 0.638371 | 9.241642 | 0.002154 | 79.80736 | 19.439% | 42.4 | 14.1 | 0.33 |
Claims (5)
1.一种提高导电浆料丝网印刷线形高宽比的方法,其特征是在导电浆料制备过程中添加氟表面活性剂。
2. 根据权利要求1所述的提高导电浆料丝网印刷线形高宽比的方法,其特征在于,所述的氟表面活性剂包括3MTM NovecTM 氟表面活性剂或DuPont Capstone氟表面活性剂。
3. 根据权利要求2所述的提高导电浆料丝网印刷线形高宽比的方法,其特征在于,所述的3MTM NovecTM 氟表面活性剂包括FC-4430、FC-4432或FC-430;所述的DuPont Capstone氟表面活性剂包括FS-22、FS-30、FS-31、FS-61、FS-63、FS-64、FS-65、FS-81或FS-83。
4.根据权利要求2所述的提高导电浆料丝网印刷线形高宽比的方法,其特征在于,所述的氟表面活性剂的添加量为0.005wt%-0.5wt%。
5.根据权利要求1所述的提高导电浆料丝网印刷线形高宽比的方法,其特征在于,所述的导电浆料主要是应用于晶硅太阳能电池上的正面银浆。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111145933B (zh) * | 2018-11-05 | 2021-05-04 | 磐采股份有限公司 | 导电浆料组合物及应用所述导电浆料组合物的太阳能电池 |
CN113594472A (zh) * | 2021-09-16 | 2021-11-02 | 无锡威孚高科技集团股份有限公司 | 一种质子交换膜燃料电池膜电极用墨水及其制备方法 |
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US20090279230A1 (en) * | 2008-05-08 | 2009-11-12 | Renewable Energy Development, Inc. | Electrode structure for the manufacture of an electric double layer capacitor |
JP2010509753A (ja) * | 2006-11-07 | 2010-03-25 | チェイル インダストリーズ インコーポレイテッド | 化学機械研磨スラリー組成物、その製造方法、およびその使用方法 |
CN103996432A (zh) * | 2014-04-24 | 2014-08-20 | 安徽为民磁力科技有限公司 | 一种易印刷电路板银浆及其制备方法 |
WO2016029398A1 (en) * | 2014-08-28 | 2016-03-03 | E.I. Du Pont De Nemours And Company | Solar cells with copper electrodes |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010509753A (ja) * | 2006-11-07 | 2010-03-25 | チェイル インダストリーズ インコーポレイテッド | 化学機械研磨スラリー組成物、その製造方法、およびその使用方法 |
US20090279230A1 (en) * | 2008-05-08 | 2009-11-12 | Renewable Energy Development, Inc. | Electrode structure for the manufacture of an electric double layer capacitor |
CN103996432A (zh) * | 2014-04-24 | 2014-08-20 | 安徽为民磁力科技有限公司 | 一种易印刷电路板银浆及其制备方法 |
WO2016029398A1 (en) * | 2014-08-28 | 2016-03-03 | E.I. Du Pont De Nemours And Company | Solar cells with copper electrodes |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111145933B (zh) * | 2018-11-05 | 2021-05-04 | 磐采股份有限公司 | 导电浆料组合物及应用所述导电浆料组合物的太阳能电池 |
CN113594472A (zh) * | 2021-09-16 | 2021-11-02 | 无锡威孚高科技集团股份有限公司 | 一种质子交换膜燃料电池膜电极用墨水及其制备方法 |
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