CN107331639A - 带液滚轮及太阳能电池清洗设备 - Google Patents

带液滚轮及太阳能电池清洗设备 Download PDF

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CN107331639A
CN107331639A CN201710700046.8A CN201710700046A CN107331639A CN 107331639 A CN107331639 A CN 107331639A CN 201710700046 A CN201710700046 A CN 201710700046A CN 107331639 A CN107331639 A CN 107331639A
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liquid roller
band liquid
solar cell
pit
band
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杨爱静
孟庆平
李跃恒
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State Power Investment Corp Xian Solar Power Co Ltd
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State Power Investment Corp Xian Solar Power Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/67005Apparatus not specifically provided for elsewhere
    • H01L21/67011Apparatus for manufacture or treatment
    • H01L21/67017Apparatus for fluid treatment
    • H01L21/67063Apparatus for fluid treatment for etching
    • H01L21/67075Apparatus for fluid treatment for etching for wet etching
    • H01L21/67086Apparatus for fluid treatment for etching for wet etching with the semiconductor substrates being dipped in baths or vessels
    • 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
    • H01L31/1804Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic Table
    • 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/547Monocrystalline silicon PV cells
    • 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

一种带液滚轮及太阳能电池清洗设备,所述带液滚轮的表面设置有凹坑。本发明的带液滚轮,减少了每次清洗过程中化学品的单耗,进而也有效地降低了废水中化学品的浓度,从而节省了废水处理成本。

Description

带液滚轮及太阳能电池清洗设备
技术领域
本发明涉及太阳能电池生成技术领域,尤其涉及一种带液滚轮及太阳能电池清洗设备。
背景技术
太阳能电池制作过程中硅片的清洗为其中一个重要的环节。目前在链式湿法清洗中,化学品的消耗占整个太阳能电池制作工艺运行成本的一部分。通过化学品来腐蚀硅片的方式以对其进行清洗。而在湿法清洗工序中,如何减少化学品的消耗量,进而减少废化学品的排放,节约太阳能电池制作过程中的成本,成为目前亟待解决的问题之一。
发明内容
本发明的目的在于提供一种带液滚轮,以减少太阳能电池制作过程中化学品的消耗,降低生成成本。
为实现上述目的,本发明采用的技术方案如下:
一种带液滚轮,所述带液滚轮的表面设置有凹坑。
在本发明的一个实施例中,所述凹坑为正方体、长方体、椎体、半球体、圆柱体中的一种或多种。
在本发明的一个实施例中,所述凹坑为半球体,所述半球体的半径在5-100微米之间。
在本发明的一个实施例中,相邻半球体之间的间距在10-1000微米之间。
在本发明的一个实施例中,所述凹坑均匀分布在所述带液滚轮的表面。
在本发明的一个实施例中,所述带液滚轮的材质为PP材质或PVDF材质。
为实现上述目的,本发明采用的技术方案如下:
一种太阳能电池清洗设备,包括上述的带液滚轮。
本发明由于采用以上技术方案,使之与现有技术相比,具有以下的优点和积极效果:
通过在带液滚轮的表面设置有凹坑,因此,减少了每次清洗过程中化学品的单耗,进而也有效地降低了废水中化学品的浓度,从而节省了废水处理成本。此外,采用本发明技术方案的带液滚轮清洗硅片,可提高清洗的均匀性及稳定性,进而也降低了电池异常漏电比例,提高了产品的良率。另外,采用本发明技术方案的带液滚轮清洗硅片,在减少化学品单耗的同时,电池的电性能参数仍可基本保持不变。
附图说明
图1本发明实施例的带液滚轮的示意图。
具体实施方式
以下结合附图和具体实施例对本发明提出带液滚轮及太阳能电池清洗设备作进一步详细说明。根据下面说明和权利要求书,本发明的优点和特征将更清楚。需说明的是,附图均采用非常简化的形式且均使用非精准的比率,仅用于方便、明晰地辅助说明本发明实施例的目的。
请参考图1,图1本发明实施例的带液滚轮的示意图,如图1所示,本发明提供的带液滚轮1的表面设置有凹坑10。本领域技术人员知晓,带液滚轮1的作用是将清洗溶液携带至硅片,使其在硅片的表面完成化学反应,以对硅片进行清洗。由于清洗溶液极易挥发,因此,通过在带液滚轮1的表面设置凹坑10,可以防止清洗溶液的挥发,相当于增加了滚轮的带液能力,进而也降低了单次清洗时,化学品的消耗,同时也有效地降低了废水中化学品的浓度,进而节省了废水处理成本。
本实施例中,所述凹坑10均匀的分布在带液滚轮1的表面,所述凹坑10可以为正方体、长方体、椎体、半球体、圆柱体中的一种或多种。图1中所示的凹坑10为半球体,半球体的半径可以在5-100微米之间,如可以为:50微米、80微米等。半球体之间的间距则可以根据带液滚轮的长度及实际需求而定,本实施例中,相邻的两个半球体之间的间距可以在10-1000微米之间,如可以为200微米、600微米等。本实施例中,带液滚轮的材质可以为PP材质或PVDF材质。实际使用时,只要将带液滚轮的两自由端放入卡槽,对其进行固定,就可以对太阳能硅片进行清洗和传送。
对应用上述的带液滚轮,本发明实施例还提供一种包括上述带液滚轮的太阳能电池清洗设备。
综上所述,本发明技术方案提供的带液滚轮及太阳能电池清洗设备具有如下有益效果:
通过在带液滚轮的表面设置凹坑,增大了带液滚轮的带液能力,也增大了滚轮与硅片的接触面积,且相邻凹坑之间的反应活性也有所增大。从而使得以更低的清洗量或更低的清洗浓度即可满足对硅片进行清洗的工艺要求。在显著降低清洗过程中化学品量的消耗的同时,清洗工艺稳定性有所提高,且清洗后的电池电性能分布更加集中。
显然,本领域的技术人员可以对发明进行各种改动和变型而不脱离本发明的精神和范围。这样,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。

Claims (7)

1.一种带液滚轮,其特征在于,所述带液滚轮的表面设置有凹坑。
2.如权利要求1所述的带液滚轮,其特征在于,所述凹坑为正方体、长方体、椎体、半球体、圆柱体中的一种或多种。
3.如权利要求1所述的带液滚轮,其特征在于,所述凹坑为半球体,所述半球体的半径在5-100微米之间。
4.如权利要求1所述的带液滚轮,其特征在于,相邻半球体之间的间距在10-1000微米之间。
5.如权利要求1所述的带液滚轮,其特征在于,所述凹坑均匀分布在所述带液滚轮的表面。
6.如权利要求1所述的带液滚轮,其特征在于,所述带液滚轮的材质为PP材质或PVDF材质。
7.一种太阳能电池清洗设备,其特征在于,包括权利要求1-6任一项所述的带液滚轮。
CN201710700046.8A 2017-08-16 2017-08-16 带液滚轮及太阳能电池清洗设备 Pending CN107331639A (zh)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102386086A (zh) * 2011-11-10 2012-03-21 北京七星华创电子股份有限公司 滚轮及刻蚀清洗机
CN203644745U (zh) * 2014-01-16 2014-06-11 浙江绿远光伏科技有限公司 晶体硅太阳能电池片链式传送的平行滚轮装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102386086A (zh) * 2011-11-10 2012-03-21 北京七星华创电子股份有限公司 滚轮及刻蚀清洗机
CN203644745U (zh) * 2014-01-16 2014-06-11 浙江绿远光伏科技有限公司 晶体硅太阳能电池片链式传送的平行滚轮装置

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Application publication date: 20171107