CN113140654A - 一种太阳能电池金属基的制备方法 - Google Patents

一种太阳能电池金属基的制备方法 Download PDF

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CN113140654A
CN113140654A CN202110348494.2A CN202110348494A CN113140654A CN 113140654 A CN113140654 A CN 113140654A CN 202110348494 A CN202110348494 A CN 202110348494A CN 113140654 A CN113140654 A CN 113140654A
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thin layer
aluminum thin
metal substrate
solar cell
metal
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李佳佳
田万英
刘伯玉
王伟
刘卫铭
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Yangzhou Polytechnic Institute
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/0248Semiconductor 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 characterised by their semiconductor bodies
    • H01L31/036Semiconductor 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 characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes
    • H01L31/0392Semiconductor 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 characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes including thin films deposited on metallic or insulating substrates ; characterised by specific substrate materials or substrate features or by the presence of intermediate layers, e.g. barrier layers, on the substrate
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/18Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • YGENERAL 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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    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract

本发明公开了一种太阳能电池金属基的制备方法,制备步骤如下:(1)金属基板由上层的铝薄层和下层的不锈钢薄层构成,利用压接设备将铝薄层压接在不锈钢薄层上;(2)清洗金属基板铝薄层,去除表面油污、杂质;(3)在金属基板铝薄层的上表面涂上水溶性感光胶,并干燥固化;(4)使用具有掩膜图案的光掩膜板放在金属基板铝薄层的上表面,曝光、显影;(5)对显影保留部分的感光胶清洗、烘干;(6)使用碱性蚀刻溶液对金属基板铝薄层进行蚀刻。本发明将基板设计为双层结构,并在铝薄层上蚀刻圆孔,降低了蚀刻难度,又能保证圆孔上设置非平面电池的要求;降低了生产难度和生产成本;同时下层的不锈钢薄层为完整的板状结构,提升了产品的耐用性。

Description

一种太阳能电池金属基的制备方法
技术领域
本发明涉及太阳能电池技术领域,具体涉及一种太阳能电池金属基的制备方法。
背景技术
太阳能薄膜太阳电池具有生产成本低、污染小、容易铺设等特点,该电池具有柔软、均匀及一定的硬度和强度,适合在非平整表面贴敷,如大型建筑物的非规则幕墙、汽车顶棚等场所。现有的薄膜太阳电池为了提高铺设单位面积内电能产量,采用了平板状的层叠结构,但太阳能的吸收率和转化率仍较低,因此,需要采用立体、非平板状的电池结构,因此基板的设计和制作将影响到生产成本和产品性能等问题。
发明内容
本发明所要解决的问题是:提供一种太阳能电池金属基的制备方法,采用双层结构和开孔设计,有利于在保证产品性能的同时,降低生产成本。
本发明是通过以下技术方案实现的:
一种太阳能电池金属基的制备方法,其特征在于,制备步骤如下:
(1)金属基板由上层的铝薄层和下层的不锈钢薄层构成,先将不锈钢薄层展开,然后利用压接设备将铝薄层压接在不锈钢薄层上;
(2)清洗金属基板铝薄层的上表面,去除表面油污、杂质;
(3)在金属基板铝薄层的上表面涂上水溶性感光胶,并干燥固化;
(4)使用具有掩膜图案的光掩膜板放在金属基板铝薄层的上表面,用紫外光照射感光胶进行曝光,然后加入显影剂形成蚀刻图案;
(5)对显影保留部分的感光胶清洗、烘干,使保留部分的感光胶形成保护层;
(6)使用碱性蚀刻溶液对金属基板铝薄层进行蚀刻,完成蚀刻后将蚀刻容易清洗干净;
(7)将作为保护层的感光胶剥离掉,完成金属基板制作。
进一步地,所述金属基板总厚度为400-1000μm,铝薄层的厚度占总厚度的为40%-50%。
进一步地,所述的蚀刻图案为圆孔排列成的矩阵形状。
进一步地,所述紫外光的强度250-1000mw/ cm2、曝光时间20-120s。
进一步地,所述的碱性蚀刻溶液为氢氧化钠溶液。
本发明的有益效果是:本发明将基板设计为双层结构,并在铝薄层上蚀刻圆孔,可以降低蚀刻难度,又能保证圆孔上设置非平面电池的要求;降低了生产难度,降低了生产成本;同时下层的不锈钢薄层为完整的板状结构,提升了产品的耐用性。
具体实施方式
下面结合具体实例进一步阐述本发明的技术方案。
一种太阳能电池金属基的制备方法,制备步骤如下:
(1)金属基板由上层的铝薄层和下层的不锈钢薄层构成,所述金属基板总厚度为1000μm,铝薄层的厚度为400μm;先将不锈钢薄层展开,然后利用压接设备将铝薄层压接在不锈钢薄层上;
(2)清洗金属基板铝薄层的上表面,去除表面油污、杂质;
(3)在金属基板铝薄层的上表面涂上水溶性感光胶,并干燥固化;
(4)使用具有掩膜图案的光掩膜板放在金属基板铝薄层的上表面,用紫外光照射感光胶进行曝光,所述紫外光的强度250-1000mw/ cm2、曝光时间20-120s,然后加入显影剂形成蚀刻图案,所述的蚀刻图案为圆孔排列成的矩阵形状;
(5)对显影保留部分的感光胶清洗、烘干,使保留部分的感光胶形成保护层;
(6)使用质量浓度为15%的氢氧化钠溶液对金属基板铝薄层进行蚀刻,蚀刻至露出不锈钢层即完成蚀刻,将蚀刻容易清洗干净;
(7)将作为保护层的感光胶剥离掉,完成金属基板制作。
本发明将金属基板设计为双层结构,并在铝薄层上蚀刻圆孔,可以降低蚀刻难度,又能保证圆孔上设置非平面电池的要求;降低了生产难度,降低了生产成本;同时下层的不锈钢薄层为完整的板状结构,提升了产品的耐用性。
以上实施例仅为本发明较优的实施方式,仅用于解释本发明,而非限制本发明,本领域技术人员在未脱离本发明精神实质与原理下所作的任何改变、替换、组合、简化、修饰等,均应为等效的置换方式,均应包含在本发明的保护范围内。

Claims (5)

1.一种太阳能电池金属基的制备方法,其特征在于,制备步骤如下:
(1)金属基板由上层的铝薄层和下层的不锈钢薄层构成,先将不锈钢薄层展开,然后利用压接设备将铝薄层压接在不锈钢薄层上;
(2)清洗金属基板铝薄层的上表面,去除表面油污、杂质;
(3)在金属基板铝薄层的上表面涂上水溶性感光胶,并干燥固化;
(4)使用具有掩膜图案的光掩膜板放在金属基板铝薄层的上表面,用紫外光照射感光胶进行曝光,然后加入显影剂形成蚀刻图案;
(5)对显影保留部分的感光胶清洗、烘干,使保留部分的感光胶形成保护层;
(6)使用碱性蚀刻溶液对金属基板铝薄层进行蚀刻,完成蚀刻后将蚀刻溶液清洗干净;
(7)将作为保护层的感光胶剥离掉,完成金属基板制作。
2.根据权利要求1所述的太阳能电池金属基的制备方法,其特征在于:所述金属基板总厚度为400-1000μm,铝薄层的厚度占总厚度的为40%-50%。
3.根据权利要求1所述的太阳能电池金属基的制备方法,其特征在于:所述的蚀刻图案为圆孔排列成的矩阵形状。
4.根据权利要求1所述的太阳能电池金属基的制备方法,其特征在于:所述紫外光的强度250-1000mw/ cm2、曝光时间20-120s。
5.根据权利要求1所述的太阳能电池金属基的制备方法,其特征在于:所述的碱性蚀刻溶液为氢氧化钠溶液。
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB986360A (en) * 1962-11-02 1965-03-17 Ncr Co Process for the fabrication of high definition apertured masks
CN103171246A (zh) * 2011-12-23 2013-06-26 昆山允升吉光电科技有限公司 太阳能硅电池电极印刷网板的制作方法
CN105140321A (zh) * 2015-07-06 2015-12-09 南京汇金锦元光电材料有限公司 柔性cigs太阳能电池及其金属基底制备方法
CN107039658A (zh) * 2017-03-08 2017-08-11 同济大学 一种低成本批量生产金属极板的方法
US20180311998A1 (en) * 2017-04-28 2018-11-01 Zhejiang Yotrio Group Co., Ltd. Metal sheet preparing process with surface having wood grain and product thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB986360A (en) * 1962-11-02 1965-03-17 Ncr Co Process for the fabrication of high definition apertured masks
CN103171246A (zh) * 2011-12-23 2013-06-26 昆山允升吉光电科技有限公司 太阳能硅电池电极印刷网板的制作方法
CN105140321A (zh) * 2015-07-06 2015-12-09 南京汇金锦元光电材料有限公司 柔性cigs太阳能电池及其金属基底制备方法
CN107039658A (zh) * 2017-03-08 2017-08-11 同济大学 一种低成本批量生产金属极板的方法
US20180311998A1 (en) * 2017-04-28 2018-11-01 Zhejiang Yotrio Group Co., Ltd. Metal sheet preparing process with surface having wood grain and product thereof

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Application publication date: 20210720