{"id":30605,"date":"2024-12-26T17:10:25","date_gmt":"2024-12-26T09:10:25","guid":{"rendered":"https:\/\/www.ray-tron.com\/?p=30605"},"modified":"2024-12-26T17:10:25","modified_gmt":"2024-12-26T09:10:25","slug":"clc0097","status":"publish","type":"post","link":"https:\/\/www.ray-tron.com\/en\/clc0097\/","title":{"rendered":"The impact of photovoltaic ribbon on the efficiency and long-term stability of the entire photovoltaic cell"},"content":{"rendered":"<p><a href=\"https:\/\/www.ray-tron.com\/en\/pvribbon\/\" data-internallinksmanager029f6b8e52c=\"43\" title=\"Photovoltaic welding ribbon\">Photovoltaic welding ribbon<\/a>exist<a href=\"https:\/\/www.ray-tron.com\/en\/\" data-internallinksmanager029f6b8e52c=\"14\" title=\"Photovoltaic modules\">Photovoltaic modules<\/a>The role of photovoltaic ribbons in photovoltaic modules is crucial, affecting the efficiency and long-term stability of the entire photovoltaic cell. The following are several factors that affect photovoltaic ribbons on photovoltaic modules:<\/p>\n<h3>1. <strong>The influence of the material and performance of the solder ribbon on the battery efficiency<\/strong><\/h3>\n<p>The material and design of photovoltaic ribbon directly affect<a href=\"https:\/\/www.ray-tron.com\/en\/\" data-internallinksmanager029f6b8e52c=\"15\" title=\"Solar panels\">Solar Cells<\/a>The soldering ribbon is mainly composed of a copper substrate and a surface coating (such as tin, silver, etc.). Its electrical properties, mechanical strength and corrosion resistance will affect the working efficiency of the entire photovoltaic cell.<\/p>\n<ul>\n<li><strong>Advantages of Silver-Containing Solder Ribbon<\/strong>:\n<ul>\n<li><strong>Increase metallurgical bonding<\/strong>\uff1aSilver-containing solder strips can enhance the bonding strength between the solder joint and the metal surface, and have higher mechanical strength and conductivity after welding.<\/li>\n<li><strong>Lower melting point<\/strong>: The addition of silver can lower the melting point of the alloy, improve the fluidity of the welding process, and make welding smoother.<\/li>\n<li><strong>Reduce resistivity<\/strong>: As the silver content increases, the resistivity of the solder strip decreases, thereby reducing power loss and improving current conduction efficiency.<\/li>\n<li><strong>Enhanced high temperature resistance<\/strong>: Silver-containing solder strips have stronger high temperature resistance and wide adaptability, and can ensure long-term stable operation in high temperature environments.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Advantages of Silver-Free Ribbon<\/strong>\uff1aSilver-free solder ribbon has low price, high cost-effectiveness, and is suitable for large-scale production, especially widely used in some price-sensitive markets.<\/li>\n<\/ul>\n<h3>2. <strong>Effect of Ribbon Resistance<\/strong><\/h3>\n<p>The resistance of the soldering ribbon mainly depends on its size, material and coating characteristics. A soldering ribbon with lower resistance can reduce current loss and improve overall efficiency.<\/p>\n<ul>\n<li><strong>Welding ribbon size<\/strong>\uff1aIncreasing the width and thickness of the solder ribbon can reduce resistance and improve conductivity. However, a solder ribbon that is too wide will block the incident light and cause light energy loss. Therefore, choosing the right solder ribbon size is crucial.<\/li>\n<li><strong>Tin plating<\/strong>: Tin plating on the surface of the soldering ribbon helps improve soldering performance, but its effect on resistance is not as great as the size and material of the soldering ribbon itself.<\/li>\n<\/ul>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-30606 aligncenter lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/www.ray-tron.com\/wp-content\/uploads\/2024\/12\/2024122617101274.jpg\" alt=\"\" width=\"450\" height=\"337\" \/><noscript><img decoding=\"async\" class=\"alignnone size-full wp-image-30606 aligncenter lazyload\" src=\"https:\/\/www.ray-tron.com\/wp-content\/uploads\/2024\/12\/2024122617101274.jpg\" alt=\"\" width=\"450\" height=\"337\" srcset=\"https:\/\/www.ray-tron.com\/wp-content\/uploads\/2024\/12\/2024122617101274.jpg 450w, https:\/\/www.ray-tron.com\/wp-content\/uploads\/2024\/12\/2024122617101274-300x225.jpg 300w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/noscript><\/p>\n<h3>3. <strong>Application of reflective welding tape<\/strong><\/h3>\n<p><a href=\"https:\/\/www.ray-tron.com\/en\/fanguang\/\" data-internallinksmanager029f6b8e52c=\"55\" title=\"Reflective copper tape supplier_Reflective busbar manufacturer_Reflective welding tape wholesaler manufacturer\">Reflective welding tape<\/a>It is an innovative type of solder ribbon with a special design to improve the power generation efficiency of the module. Its characteristics are that the front of the solder ribbon is silver-plated and a longitudinal groove structure is formed by calendering technology. This structure can reflect the light incident on the solder ribbon and reflect it back to the surface of the photovoltaic cell, capturing more light energy and thus increasing the power output of the module.<\/p>\n<ul>\n<li><strong>Theoretical synergy<\/strong>\uff1aBy reflecting light, reflective welding tape can improve the efficiency of photovoltaic modules, theoretically increasing the efficiency of modules by about 2%.<\/li>\n<\/ul>\n<h3>4. <strong>The impact of solder ribbon quality on component durability<\/strong><\/h3>\n<p>Photovoltaic welding ribbon not only affects the short-term current conduction efficiency, but is also directly related to the long-term reliability and durability of photovoltaic modules. The quality of the welding ribbon, especially the quality of the solder joints, determines the stability of the module during long-term use.<\/p>\n<ul>\n<li><strong>Solder joint quality<\/strong>\uff1aThe surface coating of the solder strip, the soldering process and the quality of the solder joints directly affect the service life of the photovoltaic module. If the solder joint strength is insufficient, long-term temperature fluctuations and mechanical stress may cause the solder joint to fail, thus affecting the performance of the module.<\/li>\n<li><strong>Ductility<\/strong>: The ductility of the soldering ribbon is critical to preventing solder joint failure due to temperature changes. Temperature fluctuations cause the solar panel to expand and contract, and the soldering ribbon needs to be ductile enough to cope with this change and prevent damage caused by solder joint breakage.<\/li>\n<\/ul>\n<h3>5. <strong>The influence of welding ribbon on the power generation of photovoltaic modules<\/strong><\/h3>\n<p>The design and selection of the solder ribbon directly affects the power generation of the solar cell. The following points are crucial:<\/p>\n<ul>\n<li><strong>Welding strip width<\/strong>: Wide ribbons have lower resistance, but too wide will block light, causing the photovoltaic cells to be unable to effectively absorb light energy. Choosing the appropriate ribbon width can balance resistance and light blocking, and increase power output.<\/li>\n<li><strong>Welding tape material<\/strong>\uff1aHigh-quality solder strip materials (such as silver-containing solder strips) can effectively reduce resistance and improve current transmission efficiency, thereby improving the overall efficiency of the component.<\/li>\n<li><strong>Welding quality<\/strong>\uff1aThe welding quality of the welding strip (such as the firmness and conductivity of the solder joint) determines whether the current is transmitted smoothly. Poor welding may lead to excessively high contact resistance, thus affecting the power generation efficiency of the component.<\/li>\n<\/ul>\n<h3>6. <strong>Key quality parameters of photovoltaic ribbon<\/strong><\/h3>\n<ul>\n<li><strong>Copper Purity and Type<\/strong>\uff1aThe purity and type of copper directly determine the conductivity and mechanical properties of the welding ribbon, affecting the service life and efficiency of the welding ribbon.<\/li>\n<li><strong>Surface coating<\/strong>\uff1aThe tin layer or silver layer on the surface of the soldering tape directly affects the soldering performance, corrosion resistance and current conduction performance.<\/li>\n<li><strong>Elongation and yield strength<\/strong>\uff1aThe ductility and yield strength of the soldering strip are important indicators to ensure its long-term stable operation. Good ductility can prevent solder joint failure caused by temperature changes, while the yield strength determines the stress and pressure that the soldering strip can withstand.<\/li>\n<\/ul>\n<h3>Summarize<\/h3>\n<p>The role of photovoltaic welding ribbon in photovoltaic modules is not only as a connecting conductor between cells, its design, material and quality directly affect the current conduction efficiency, power output, durability and long-term stability of the entire module. The selection of welding ribbon must comprehensively consider multiple factors such as resistance, size, material, coating and welding quality to ensure the efficient operation and long-term stability of photovoltaic modules in different environments. Therefore, when selecting photovoltaic welding ribbon, a comprehensive evaluation must be made from aspects such as materials, processes, technologies and product quality.<\/p>","protected":false},"excerpt":{"rendered":"<p>The role of photovoltaic ribbon in photovoltaic modules is crucial, affecting the efficiency and long-term stability of the entire photovoltaic cell. The following are several factors that affect the photovoltaic ribbon on photovoltaic modules[\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[19],"tags":[227],"class_list":["post-30605","post","type-post","status-publish","format-standard","hentry","category-blog","tag-guangfuhandai"],"_links":{"self":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/posts\/30605","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/comments?post=30605"}],"version-history":[{"count":0,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/posts\/30605\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/media?parent=30605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/categories?post=30605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/tags?post=30605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}