The utility model relates to a convex copper coated copper strip for photovoltaic power generation components, which comprises a front connecting section and a back connecting section, wherein one end of the front connecting section is fixedly connected with the back connecting section at one end, and the thickness of the front connecting section is smaller than the thickness of the back connecting section. The structural design of the utility model is more reasonable, the tin coated copper made into a convex shape, the tin coated copper connecting tin coated copper thickness and the back surface of a cell is connected with the battery positive film thickness difference is formed, the existing tin coated copper cuboid made of convex, reduce the shading area from the front not only can, but also can reduce the resistance, tin coated copper does not increase the fragmentation rate and cross-section of the tin coated copper is not reduced, eventually under optimal conditions increase the output power components, convenient and practical, suitable for further promotion and application.
【技术实现步骤摘要】
光伏发电组件用凸形涂锡铜带
本技术涉及涂锡铜带的结构设计
,更具体地说,涉及一种光伏发电组件用凸形涂锡铜带。
技术介绍
涂锡铜带主要应用于光伏组件的连接,采用现有技术中的涂锡铜带在组件完成连接后的发电过程中容易形成功率损耗,该功率损耗主要来自两个方面,第一方面是来自于涂锡铜带对电池片上主栅线的遮光,正面的遮光影响电池片的吸收光源,从而减少组件的吸光面积。目前市场上无论是三栅、四栅或五栅线结构的电池片,主栅线对电池片的遮挡均约为3%(4*1.2/156),即功率损失约为7.95w(以265w组件计算)。第二方面是来自于涂锡铜带的电阻,在组件发电过程中,有电流通过涂锡铜带,容易造成涂锡铜带的发热并产生功率损耗。此项损失和涂锡铜带的总截面积和组件的工作电流有关,一个组件中焊带长度约为18米,每平方毫米的焊带在一个组件中的等效电阻R=0.107Ω,I=8.2A,功率损失P=I2R,电阻损耗和焊带截面积的对应关系如下:焊带截面积,mm211.21.41.61.82.04.0功率损耗,W7.26.065.194.554.043.61.8现有技术中的电池片如附图1和2所示 ...
【技术保护点】
一种光伏发电组件用凸形涂锡铜带,其特征是:该涂锡铜带包括:正面连接段和背面连接段,正面连接段一端和背面连接段一端固定连接,正面连接段厚度小于背面连接段厚度。
【技术特征摘要】
1.一种光伏发电组件用凸形涂锡铜带,其特征是:该涂锡铜带包括:正面连接段和背面连接段,正面连接段一端和背面连接段一端固定连接,正面连接段厚度小于背面连接段厚度。2.根据权利要求1所述的一种光伏发电组件用凸形涂锡...
【专利技术属性】
技术研发人员:马长江,
申请(专利权)人:常州盛悦金属新材料有限公司,
类型:新型
国别省市:江苏,32
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