{"product_id":"interconnection-busbar-solar-cell-string-current","title":"Interconnection Busbar – Solar Cell String Current","description":"\u003cblockquote\u003e\n\u003cp\u003ePremium interconnection busbar solutions for solar module assembly, featuring high-purity tinned copper construction\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e\u003cimg alt=\"Interconnection Busbar – Solar Cell String Current\" src=\"https:\/\/cdn.ooitech.com\/runtime\/image\/w800_h600_fitblur_v2_2026032713037538.jpg.webp\"\u003e\u003c\/p\u003e\n\u003ch4\u003eInterconnection Busbar – Solar Cell String Current\u003c\/h4\u003e\n\u003cp\u003ePremium interconnection busbar solutions for solar module assembly, featuring high-purity tinned copper construction\u003c\/p\u003e\n\u003chr\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Introduction\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eInterconnection Busbar\u003c\/strong\u003e represents the pinnacle of current collection technology in modern solar module manufacturing. Often referred to as the \"current superhighway\" of photovoltaic modules, this critical component serves as the main electrical artery that efficiently collects and conducts the combined current from multiple cell strings to the \u003ca href=\"https:\/\/www.ooitech.com\/junction-box-welding-machine-ks-01c-automatic-solar-panel-junction-box-soldering-equipment-ooitech.html\"\u003ejunction box\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eUnlike standard interconnecting ribbons that connect individual solar cells, the interconnection busbar is specifically engineered with a significantly wider and thicker profile to handle the substantial current loads generated by entire cell strings. This premium tin-coated copper ribbon acts as the primary conductor that bridges the gap between the intricate cell-level connections and the module's external output terminals.\u003c\/p\u003e\n\u003cp\u003eOur interconnection busbars are manufactured to the highest industry standards, utilizing state-of-the-art production processes that ensure consistent quality, optimal conductivity, and long-term reliability. Each busbar undergoes rigorous quality control to guarantee performance that meets the demanding requirements of modern solar module production, from residential rooftop installations to utility-scale solar farms.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eTolerance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Material\u003c\/td\u003e\n\u003ctd\u003eHigh-purity oxygen-free copper (≥99.99% Cu)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductivity\u003c\/td\u003e\n\u003ctd\u003e≥58 MS\/m (100% IACS)\u003c\/td\u003e\n\u003ctd\u003e±1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth Range\u003c\/td\u003e\n\u003ctd\u003e4.0mm - 12.0mm\u003c\/td\u003e\n\u003ctd\u003e±0.05mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness Range\u003c\/td\u003e\n\u003ctd\u003e0.15mm - 0.35mm\u003c\/td\u003e\n\u003ctd\u003e±0.01mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolder Coating\u003c\/td\u003e\n\u003ctd\u003eSn60Pb40 or Lead-free options\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating Thickness\u003c\/td\u003e\n\u003ctd\u003e10-25 μm\u003c\/td\u003e\n\u003ctd\u003e±2 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003e200-250 MPa (annealed state)\u003c\/td\u003e\n\u003ctd\u003e±10 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElongation\u003c\/td\u003e\n\u003ctd\u003e≥25%\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistivity\u003c\/td\u003e\n\u003ctd\u003e≤0.0175 Ω·mm²\/m\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +90°C\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 50A (depends on dimensions)\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface Quality\u003c\/td\u003e\n\u003ctd\u003eSmooth, uniform coating, no oxidation\u003c\/td\u003e\n\u003ctd\u003eVisual inspection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftness Grade\u003c\/td\u003e\n\u003ctd\u003eFully annealed (soft temper)\u003c\/td\u003e\n\u003ctd\u003eHV 45-65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eSpools of 100-500m\u003c\/td\u003e\n\u003ctd\u003eCustom available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eTechnical Advantages\u003c\/h2\u003e\n\u003ch3\u003e1. Superior Current Carrying Capacity\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Cross-Section\u003c\/strong\u003e: Engineered with larger cross-sectional area compared to standard ribbons, reducing resistance by up to 60%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimal Power Loss\u003c\/strong\u003e: Advanced design ensures I²R losses are kept below 0.5% of total module power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Amperage Handling\u003c\/strong\u003e: Capable of conducting 30-50A continuous current without significant heating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e2. Enhanced Mechanical Properties\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Soft Annealed State\u003c\/strong\u003e: Minimizes mechanical stress on solder joints during thermal cycling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Flexibility\u003c\/strong\u003e: Prevents joint fatigue and cracking over 25+ years of operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStress Relief Design\u003c\/strong\u003e: Accommodates thermal expansion and contraction without compromising connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e3. Premium Material Quality\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e99.99% Pure Copper Core\u003c\/strong\u003e: Ensures maximum electrical conductivity and minimal resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniform Solder Coating\u003c\/strong\u003e: Guarantees consistent, reliable soldering with \u0026gt;95% joint efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance\u003c\/strong\u003e: Special coating formulation provides long-term protection against environmental degradation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e4. Advanced Manufacturing Technology\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Rolling Process\u003c\/strong\u003e: Achieves uniform thickness tolerance within ±0.01mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Quality Monitoring\u003c\/strong\u003e: Real-time inspection ensures zero defects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable Specifications\u003c\/strong\u003e: Available in various widths and thicknesses to match specific module designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e5. Compatibility with Modern Technologies\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMBB Integration\u003c\/strong\u003e: Fully compatible with Multi-Busbar and Super MBB module designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHalf-Cell Ready\u003c\/strong\u003e: Optimized for half-cell module configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShingled Cell Compatible\u003c\/strong\u003e: Adaptable to advanced shingled cell interconnection systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Applications\u003c\/h2\u003e\n\u003ch3\u003eStandard Module Manufacturing\u003c\/h3\u003e\n\u003cp\u003eThe interconnection busbar is essential in conventional 60-cell and 72-cell module production, where it serves as the primary current collector connecting cell strings to junction boxes. In these applications, typically 2-3 busbars are used per module, carrying the combined current of 20-24 cells each.\u003c\/p\u003e\n\u003ch3\u003eHigh-Power Module Production\u003c\/h3\u003e\n\u003cp\u003eIn advanced high-power modules (500W+), including bifacial and PERC technologies, our busbars provide the necessary current handling capacity for increased power densities. The wider cross-section options (8-12mm) are specifically designed for these high-current applications.\u003c\/p\u003e\n\u003ch3\u003eHalf-Cell Module Technology\u003c\/h3\u003e\n\u003cp\u003eHalf-cell modules require specialized busbar configurations to manage the unique current flow patterns. Our busbars are optimized for the center-split design, providing efficient current collection from parallel-connected half-cell strings while maintaining minimal resistive losses.\u003c\/p\u003e\n\u003ch3\u003eMulti-Busbar (MBB) Systems\u003c\/h3\u003e\n\u003cp\u003eWhile MBB technology uses multiple thin wires at the cell level, our interconnection busbars still play a crucial role in collecting the aggregated current from MBB cell strings. Special low-profile designs are available for seamless integration with MBB architectures.\u003c\/p\u003e\n\u003ch3\u003eSpecialized Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilding-Integrated PV (BIPV)\u003c\/strong\u003e: Custom-colored coatings available for aesthetic integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Modules\u003c\/strong\u003e: Ultra-thin options for bendable solar applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentrated PV (CPV)\u003c\/strong\u003e: High-temperature resistant variants for concentrated solar systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace Applications\u003c\/strong\u003e: Special low-outgassing formulations for satellite solar arrays\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eContact \u0026amp; Purchase Information\u003c\/h2\u003e\n\u003ch3\u003eGet Your Premium Interconnection Busbar Solution Today!\u003c\/h3\u003e\n\u003cp\u003eOoitech specializes in providing complete solar module production line equipment and materials, including high-quality interconnection busbars that meet the most demanding manufacturing standards. Our comprehensive service includes equipment design, delivery, training, raw materials supply, and after-sales support.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e \u003ca href=\"mailto:info@ooitech.com\"\u003einfo@ooitech.com\u003c\/a\u003e\u003cstrong\u003ePhone:\u003c\/strong\u003e +86 18571646990\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e +86 15961592660\u003cstrong\u003eHeadquarters:\u003c\/strong\u003e Wuhan Yangtze River Center, Wuhan, China\u003cstrong\u003eWebsite:\u003c\/strong\u003e \u003ca href=\"http:\/\/www.ooitech.com\"\u003ewww.ooitech.com\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy Choose Ooitech?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete production line solutions from 5MW to 1GW capacity\u003c\/li\u003e\n\u003cli\u003eExpert support for G1, M6, M10, M12, MBB, PERC, \u003ca href=\"https:\/\/www.ooitech.com\/what-is-topcon-solar-cell-a-complete-guide-to-tunnel-oxide-passivated-contact-technology.html\"\u003eTOPCon\u003c\/a\u003e, IBC, ABC, HPBC technologies\u003c\/li\u003e\n\u003cli\u003eComprehensive training programs and technical support\u003c\/li\u003e\n\u003cli\u003ePremium quality materials with international certifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDownload Our Complete Catalog:\u003c\/strong\u003e \u003ca href=\"https:\/\/drive.google.com\/file\/d\/1EWA3TV6hJb_cAUH6w0UENpRglAgq_Kzv\/view?usp=sharing\"\u003eClick Here\u003c\/a\u003e\u003cstrong\u003eCompany Profile:\u003c\/strong\u003e \u003ca href=\"https:\/\/drive.google.com\/file\/d\/1yg9NLXzLOmPWriYScQZeM6ZfSZ8gcQ88\/view?usp=sharing\"\u003eDownload PDF\u003c\/a\u003e\u003cstrong\u003eYouTube Channel:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.youtube.com\/ooitech\"\u003eSubscribe to Ooitech\u003c\/a\u003e\u003cstrong\u003e▶️ Watch Our MBB Production Line:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.youtube.com\/watch?v=uRS9sn94sIQ\"\u003eView Video\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRequest a Quote Today!\u003c\/strong\u003e Contact our technical team for customized busbar specifications and bulk pricing. Subscribe to our YouTube channel for the latest solar manufacturing insights and technology updates!\u003c\/p\u003e","brand":"Ooitech","offers":[{"title":"Default Title","offer_id":67691758518371,"sku":null,"price":99999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/1427\/4659\/files\/w800_h600_fitblur_v2_2026032713037538_jpg.webp?v=1791858284","url":"https:\/\/ooitechchina.myshopify.com\/ko-global\/products\/interconnection-busbar-solar-cell-string-current","provider":"Solar Panel Making Machine","version":"1.0","type":"link"}