CN207116454U - 一种太阳能发电组件 - Google Patents

一种太阳能发电组件 Download PDF

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CN207116454U
CN207116454U CN201720867630.8U CN201720867630U CN207116454U CN 207116454 U CN207116454 U CN 207116454U CN 201720867630 U CN201720867630 U CN 201720867630U CN 207116454 U CN207116454 U CN 207116454U
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reflector layer
power generation
battery chip
solar power
solar
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段军
洪承健
胡德政
李沅民
徐希翔
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Deyun Chuangxin Beijing Technology Co ltd
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Beijing Juntai Innovation Technology Co Ltd
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Priority to KR2020180003284U priority patent/KR20190000222U/ko
Priority to JP2018002728U priority patent/JP3218202U/ja
Priority to PCT/CN2018/095914 priority patent/WO2019015564A1/zh
Priority to AU2018236885A priority patent/AU2018236885A1/en
Priority to CN201890000141.5U priority patent/CN209981251U/zh
Priority to CA3020826A priority patent/CA3020826A1/en
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Abstract

本实用新型公开了一种太阳能发电组件，包括由上至下依次设置的第一衬底、第一粘结层、太阳能电池芯片、第二粘结层、第二衬底，所述太阳能电池芯片之间设有间隙，所述太阳能发电组件还包括呈网状的反光层，所述网状反光层位于第二粘接层与第二衬底之间，所述反光层的网状边框位于所述间隙的下方；该太阳能发电组件在保证发电组件特性的情况下，为了减少其正反两面电池芯片间隙入射光的损失，增加入射的太阳光的吸收利用，提高了发电组件的发电量。

Description

一种太阳能发电组件
技术领域
本实用新型涉及一种发电组件，尤指一种太阳能发电组件。
背景技术
光伏发电是一种公认的清洁能源，目前，各大光伏制造商，都集中了优势资源，用于发展高效电池及光伏组件的双面发电技术，并取得了长足的进步，发电光伏组件由于其背面采用玻璃或者透明聚合物材料封装，存在较大的透射光损失，特别是有部分入射光通过电池芯片之间的缝隙到达组件背面而未能有效利用。
实用新型内容
为了解决上述技术问题，本实用新型提供了一种太阳能发电组件，该太阳能发电组件在保证发电组件特性的情况下，为了减少其正反两面电池芯片间隙入射光的损失，增加入射的太阳光的吸收利用，提高了发电组件的发电量。
为了达到本实用新型目的，本实用新型提供了一种太阳能发电组件，包括由上至下依次设置的第一衬底、第一粘结层、太阳能电池芯片、第二粘结层、第二衬底，所述太阳能电池芯片之间设有间隙，所述太阳能发电组件还包括呈网状的反光层，所述网状反光层位于第二粘接层与第二衬底之间，所述反光层的网状边框位于所述间隙的下方。
可选地，所述反光层具有不小于所述太阳能电池芯片的网状通孔，所述太阳能电池芯片设置在所述反光层的网状通孔内，使所述反光层的网状边框位于所述太阳能电池芯片的间隙内的正下方。
可选地，所述反光层具有多个栅格，所述太阳能电池芯片设置在所述反光层正上方。
可选地，所述反光层边框的宽度不大于所述太阳能电池芯片间隙的宽度。
可选地，所述反光层通过第三粘结层与所述第二衬底粘结。
可选地，所述第一粘结层、第二粘结层和第三粘结层均为eva粘结层。
可选地，所述第一衬底和第二衬底分别为超白钢化玻璃。
可选地，所述太阳能电池芯片为双面太阳能电池芯片。
可选地，所述反光层为双面反光材料。
可选地，所述反光层的厚度为0.1～1mm。
与现有技术相比，本实用新型的有益效果是：
1、本实用新型中太阳能电池芯片的间隙的下方设有呈网状的反光层，反光层在不影响太阳能电池芯片背面光的吸收从而发电的同时，有效提高太阳能电池芯片正反两面透射光的反射，减少透射光的损失，使本实用新型发电效率比传统双面发电组件有显著提高。
2、本实用新型中太阳能电池芯片设置在反光层的网状通孔内，使反光层的网状边框位于太阳能电池芯片的间隙内的下方，使本实用新型在保证发电组件特性的情况下，减少其正反两面的光损失，增加入射的太阳光的吸收利用，提高了发电组件的发电量。
3、本实用新型中太阳能电池芯片设置在反光层上，并使反光层的边框位于太阳能电池芯片间隙的下方，使本实用新型在保证发电组件特性的情况下，减少其正反两面的光损失，增加入射的太阳光的吸收利用，提高了发电组件的发电量。
4、本实用新型中反光层边框的宽度不大于太阳能电池芯片间隙的宽度，防止反光层栅格边框的宽度过大，与太阳能电池芯片在竖直方向上重叠，影响太阳能电池芯片本身吸收太阳光发电。
本实用新型的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本实用新型而了解。本实用新型的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构来实现和获得。
附图说明
附图用来提供对本实用新型技术方案的进一步理解，并且构成说明书的一部分，与本申请的实施例一起用于解释本实用新型的技术方案，并不构成对本实用新型技术方案的限制。
图1为本实用新型太阳能发电组件的结构示意图；
图2为本实用新型中反光层的结构示意图。
具体实施方式
为使本实用新型的目的、技术方案和优点更加清楚明白，下文中将结合附图对本实用新型的实施例进行详细说明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。
实施例1
如图1所示，一种太阳能发电组件，包括衬底1以及设置在衬底1之间的多个太阳能电池芯片2，太阳能电池芯片2为双面太阳能电池，多个太阳能电池芯片2之间设有间隙3，且多个太阳能电池芯片2间隔均匀的并排排列，组合形成规则的形状，例如矩形，多个太阳能电池芯片2通过导电材料串联成多个电池阵列，其中，导电材料可以是焊带、导电胶带或铜带。
如图1和图2所示，多个太阳能电池芯片2之间的间隙3的下方设有呈网状的反光层4，反光层4为双面反光材料，反光层4的网状结构不遮挡太阳能电池芯片2，主要分布在太阳能电池芯片2的间隙3和其他无太阳能电池芯片2的区域，反光层4的厚度为0.1～1mm，其正面的反射率＞80％，其背面反射率＞60％，反光层4与太阳能发电组件中的粘结层5无相容性问题，反光层4可以是TPT、PET、铝箔等；反光层4具有多个栅格401，太阳能电池芯片2设置在反光层4的栅格401上，并使反光层4栅格401的边框位于太阳能电池芯片2之间的间隙3的下方，反光层4在不影响太阳能电池芯片2背面发电的同时，有效提高太阳能电池芯片2正反两面透射光的反射，减少透射光的损失，使本实用新型发电效率比传统双面发电组件有显著提高。
在本实施例中，反光层4栅格401边框的宽度不大于太阳能电池芯片2间隙3的宽度，防止反光层4栅格401边框的宽度过大，与太阳能电池芯片2在竖直方向上重叠，影响太阳能电池芯片2本身吸收太阳光发电。
如图1所示，在本实施例中，太阳能发电组件包括由上至下依次设置的第一衬底101、第一粘结层501、多个太阳能电池芯片2、第二粘结层502、反光层4、第三粘结层503以及第二衬底102，第一衬底101和第二衬底102为超白钢化玻璃，超白钢化玻璃含压花玻璃、或者镀有减反膜的玻璃、减反压花玻璃或透明聚合物背板材料，第一衬底101和第二衬底102用于固定和保护太阳能电池芯片2；第一粘结层501、第二粘结层502和第三粘结层503均为eva粘结层，用于将太阳能发电组件各层状结构粘结固定。
本实用新型中太阳能电池芯片2设置在反光层4的栅格401上，并使反光层4栅格401的边框位于太阳能电池芯片2间隙3的下方，使本实用新型在保证发电组件特性的情况下，减少其正反两面的光损失，增加入射的太阳光的吸收利用，提高了发电组件的发电量。
实施例2
实施例2与实施例1的区别在于，反光层4具有不小于太阳能电池芯片2的网状通孔，多个太阳能电池芯片2依次放置在反光层4的网状通孔内，使反光层4的网状边框位于多个太阳能电池芯片2之间的间隙内的下方，使本实用新型在保证发电组件特性的情况下，减少其正反两面的光损失，增加入射的太阳光的吸收利用，提高了发电组件的发电量。
虽然本实用新型所揭露的实施方式如上，但所述的内容仅为便于理解本实用新型而采用的实施方式，并非用以限定本实用新型。任何本实用新型所属领域内的技术人员，在不脱离本实用新型所揭露的精神和范围的前提下，可以在实施的形式及细节上进行任何的修改与变化，但本实用新型的专利保护范围，仍须以所附的权利要求书所界定的范围为准。

Claims (10)

1.一种太阳能发电组件，包括由上至下依次设置的第一衬底、第一粘结层、太阳能电池芯片、第二粘结层、第二衬底，所述太阳能电池芯片之间设有间隙，其特征在于，所述太阳能发电组件还包括呈网状的反光层，所述网状反光层位于第二粘接层与第二衬底之间，所述反光层的网状边框位于所述间隙的下方。
2.根据权利要求1所述的太阳能发电组件，其特征在于，所述反光层具有不小于所述太阳能电池芯片的网状通孔，所述太阳能电池芯片设置在所述反光层的网状通孔内，使所述反光层的网状边框位于所述太阳能电池芯片的间隙内的正下方。
3.根据权利要求1所述的太阳能发电组件，其特征在于，所述反光层具有多个栅格，所述太阳能电池芯片设置在所述反光层正上方。
4.根据权利要求3所述的太阳能发电组件，其特征在于，所述反光层边框的宽度不大于所述太阳能电池芯片间隙的宽度。
5.根据权利要求4所述的太阳能发电组件，其特征在于，所述反光层通过第三粘结层与所述第二衬底粘结。
6.根据权利要求5所述的太阳能发电组件，其特征在于，所述第一粘结层、第二粘结层和第三粘结层均为eva粘结层。
7.根据权利要求1-6任一所述的太阳能发电组件，其特征在于，所述第一衬底和第二衬底分别为超白钢化玻璃。
8.根据权利要求1-6任一所述的太阳能发电组件，其特征在于，所述太阳能电池芯片为双面太阳能电池芯片。
9.根据权利要求1-6任一所述的太阳能发电组件，其特征在于，所述反光层为双面反光材料。
10.根据权利要求1-6任一所述的太阳能发电组件，其特征在于，所述反光层的厚度为0.1～1mm。
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