CN109148629A - 一种立体结构太阳能电池 - Google Patents
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Abstract
一种呈立体结构形式的太阳能光伏电池。由太阳能电池板和凹凸立体形状的背板组成。太阳能电池板分块附着在凹凸的立体背板上,整组太阳能电池板呈现立体布置形式,使得太阳能电池板的总面积大于垂直照射的投影面积,以此形成太阳能板表面积大于电池光线照射投影面积的立体结构太阳能电池。其特点是通过立体结构增大太阳能板的面积,使强光扩散分解照射到更大面积的太阳能板上,利用薄膜电池板等良好的弱光转换性能和更大总面积的太阳能电池板,提升电池整体的光电转换效率和总发电量。
Description
技术领域
本发明涉及一种太阳能电池,特别是一种立体结构的太阳能电池。
背景技术
太阳能光伏发电作为一种取之不尽用之不竭的清洁能源得到了人们普遍欢迎。随着能源危机和环境污染的日益严重,国家对此也推出了一系列优惠政策。太阳能光伏发电的关键技术是太阳能电池,从其发明至今,虽然有了长足的进展,但其光电转换的效率普遍不高,这也是人们研究的重点。目前转换效率高的太阳能电池,其制造成本也高。薄膜太阳能电池,尽管转换效率较低,但成本低廉。除了寻找光电转换效率高的材料,在电池结构上,人们也在研究,如聚光型太阳能电池,将太阳光聚集在耐高温且转化效率高的光电池上,实现光伏发电的高效率和低成本;还有分光谱型太阳能电池,针对不同的光谱采用对应的高效吸收转换材料,实现光伏转化效率的提升。值得注意的是,价格低廉的薄膜太阳能电池具有良好的弱光转换特性,光照辐射强度低时,光电转换效率反而高,这就为通过光照辐射强度的分解为光电转化效率和发电总量的提升提供了可能。当然光照辐射强度的分解不是减弱光能量,是将其扩散分解照射到更大面积的太阳能板上,并利用低光照辐射强度时薄膜太阳能电池较高的光电转化效率提高总的发电量。要在一定照射面积条件下扩展太阳能电池板的面积,就需要设置立体结构,是一项不同于聚光型和光谱分解型的太阳能电池技术和产品,是基于光照面积拓展的辐射强度分解型太阳能电池。
发明内容
针对现有技术的不足,本发明提供一种提升光电转换效率的太阳能电池,通过立体布置拓展太阳能板的面积,并扩散分解光照辐射强度,利用拓展的更大面积的电池板及薄膜类太阳能电池低辐射强度条件时良好的光电转换效率,实现电池总发电量和总体光电转换效率的提升,即一种立体结构太阳能电池。
本发明采用的技术方案是:通过立体布局,在一定照射面积的条件下拓展实际太阳能板的面积,并扩散分解光照辐射强度,利用实际上更大面积的太阳能板及薄膜类太阳能电池低辐射强度条件时良好的光电转换效率,实现总发电量和电池总体光电转换效率的提升。具体措施是将太阳电池的背板设置为凹凸的立体结构,增大实际的表面积;将太阳能电池板分块附着在立体形状的背板上,使得太阳能板的总面积大于光照投影面积,使光照辐射强度扩散分解并投射到更大面积的太阳能板上;利用更大的太阳能电池面积及其良好的低辐射强度光电转换效率,实现总发电量和总体转换效率的提升,从而形成一种提升性能的立体结构太阳能电池。所提供的电池包括太阳能电池板1和背板2,背板2呈凹凸立体形状,太阳能电池板1分块按背板形态趋势附着在立体结构背板上,所有太阳能板1组合呈现与背板同样的立体布局,扩大了总面积。通过较大总面积的太阳能板和薄膜太阳能电池低辐射强度时较高的光电转换效率实现整体太阳能电池光电转换效率的提升。
本发明主要适用于太阳能光伏发电,其有益效果是在一定的照射面积下扩大了太阳能板的实际面积并分解了光照的强度,利用较大总面积的太阳能板和薄膜太阳能电池低辐射强度时较高的光电转换效率实现整体太阳能电池性能的提升。
附图说明
图1是本发明的立体结构示意图;
图2是本发明的背板示意图;
图中:1.太阳能电池板,2.背板。
具体实施方式
如图1至2,本发明所提供的太阳能电池由太阳能电池板1和背板2组成,背板呈凹凸立体结构,太阳能电池板按凹凸趋势分块附着在背板上,立体结构拓展了太阳能电池板的面积。
组成电池的太阳能电池板可以采用弱光性能好的非晶硅薄膜太阳能电池,数量与背板的凹凸相对应,太阳能电池板之间的电器连接可以根据需要串联、并联或串并联。
组成电池的背板可以为连续的V型构造,内部的平面与太阳能板的大小相适应,如采用尺寸356mm×58mm的薄膜太阳能电池板,V型构造中的单侧平面可采用362mm×60mm,可以连续3~6个V型结构为一组电池。背板可用不锈钢板、镀锌白铁皮以及复合材料等加工而成,背板的背面可以增加安装固定的卡具,正面可以加设面板。
太阳能电池板和背板之间可以为粘结、锚固或面板压紧等固定方式。
本发明的使用方法:可以单个电池组件使用,或由多个电池组件组成电池阵列,电池阵列之间可以串联、并联或串并联。使用时正对太阳,可以使用太阳能追踪器跟踪太阳。为适应非追踪的固定模式,扩大照射角度的适应范围,可以增设散射材料或分光透镜等作为面板。
Claims (3)
1.一种立体结构太阳能电池,包括太阳能电池板(1)和背板(2),其特征是:背板呈凹凸的立体形状,太阳能板呈立体形式布置。
2.根据权利1所述的立体结构太阳能电池,其特征是:太阳能电池板分块以立体形式附着在凹凸立体背板上。
3.根据权利1和权利2所述的立体结构太阳能电池,其特征是:太阳能板的立体布置使得太阳能板的总面积大于垂直照射的投影面积。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110600572A (zh) * | 2019-09-30 | 2019-12-20 | 嘉兴龙吟光伏材料股份有限公司 | 一种增效型太阳能电池板 |
WO2021103410A1 (zh) * | 2019-11-28 | 2021-06-03 | 广东爱旭科技有限公司 | 一种折板形光伏组件与其使用的正面玻璃以及光伏系统 |
CN114792737A (zh) * | 2022-04-25 | 2022-07-26 | 长沙精英军纳米科技有限公司 | 一种提高6倍吸收储存释放太阳能的太阳能交流电池 |
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CN103618496A (zh) * | 2013-10-31 | 2014-03-05 | 平顶山市中嘉能源科技有限公司 | 蜂窝状薄膜太阳能电池板 |
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Patent Citations (4)
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CN102347709A (zh) * | 2010-07-30 | 2012-02-08 | 建国科技大学 | 锥形立体状阵列式太阳能电池发电系统 |
CN102969379A (zh) * | 2012-11-27 | 2013-03-13 | 中国科学院物理研究所嘉兴工程中心 | 一种锯齿形斜面封装高效光伏组件 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110600572A (zh) * | 2019-09-30 | 2019-12-20 | 嘉兴龙吟光伏材料股份有限公司 | 一种增效型太阳能电池板 |
WO2021103410A1 (zh) * | 2019-11-28 | 2021-06-03 | 广东爱旭科技有限公司 | 一种折板形光伏组件与其使用的正面玻璃以及光伏系统 |
CN114792737A (zh) * | 2022-04-25 | 2022-07-26 | 长沙精英军纳米科技有限公司 | 一种提高6倍吸收储存释放太阳能的太阳能交流电池 |
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