# Photovoltaics & Applications | Ooitech Technical Blog > Cell and module technology explained: TOPCon, BC, HJT and perovskite routes, the materials used, the machines that build them and the process behind every watt. - [All Articles](Blog.html) - [Energy Storage & Applications 4](./Energy-Storage.html) - [Photovoltaics & Applications 118](./Photovoltaics.html) - [Electrical & Fundamentals 23](./Electrical-Fundamentals.html) - [Industry & Insights 22](./Industry-Insights.html) ## Our Latest Photovoltaics & Applications ![High-Sheet-Resistance Emitters](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_1ff09150b08f2373109fbf2e87ded750.webp) - [** Jerry](./high-sheet-resistance-emitters-in-mass-production-where-is-the-real-bottleneck.html) - [** 832 Views](./high-sheet-resistance-emitters-in-mass-production-where-is-the-real-bottleneck.html) ### High-Sheet-Resistance Emitters A deep technical look at why high-sheet-resistance emitters paired with double p··· ![Dual-Side Electrical Refinement Pushes Industrial M10](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_9cbe4eb4885c187a8532e7dd23f3bfea.webp) - [** Jerry](./dual-side-electrical-refinement-pushes-industrial-m10-topcon-to-26-66.html) - [** 1121 Views](./dual-side-electrical-refinement-pushes-industrial-m10-topcon-to-26-66.html) ### Dual-Side Electrical Refinement Pushes Industrial M10 Jinko and Ningbo Institute pushed industrial M10 TOPCon to a certified 26.66% wi··· ![TOPCon Front-Film SiNx Wins Big: 3-4W More Module Power](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_d5fda98b0a543efbbc2c296ae1641dd3.webp) - [** Jerry](./topcon-front-film-sinx-wins-big-3-4w-more-module-power-than-gradient-film.html) - [** 786 Views](./topcon-front-film-sinx-wins-big-3-4w-more-module-power-than-gradient-film.html) ### TOPCon Front-Film SiNx Wins Big: 3-4W More Module Power A counterintuitive TOPCon production line case: gradient SiNx film wins at cell ··· ![33.25% Efficiency, 96% MPPT Retention After 1000 Hours:](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_86cbeb68b813d0f5d3b819ac46f2ccff.webp) - [** Jerry](./33-25-efficiency-96-mppt-retention-after-1000-hours-all-ald-snox-azo-bilayer-suppresses-interface-reactions-in-perovskite-silicon-tandems.html) - [** 1350 Views](./33-25-efficiency-96-mppt-retention-after-1000-hours-all-ald-snox-azo-bilayer-suppresses-interface-reactions-in-perovskite-silicon-tandems.html) ### 33.25% Efficiency, 96% MPPT Retention After 1000 Hours: An all-ALD SnOx/AZO bilayer decouples charge extraction from physical blocking, ··· ![TBC Full Form in Electrical: TOPCon Back Contact Cell](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_b328022a0ca3c179e39311d2ccf4fb5d.webp) - [** Jerry](./tbc-solar-cell-technology-topcon-back-contact-full-process-guide.html) - [** 698 Views](./tbc-solar-cell-technology-topcon-back-contact-full-process-guide.html) ### TBC Full Form in Electrical: TOPCon Back Contact Cell TBC stands for Tunnel Oxide Passivated Contact Back Contact: how the structure w··· ![Solar Module Stringing: Cold Solder Troubleshooting](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_8e97c4e8e186e4f70747881c602ecece.webp) - [** Jerry](./solar-module-stringing-a-practical-guide-to-troubleshooting-cold-solder-joints-with-mind-map.html) - [** 541 Views](./solar-module-stringing-a-practical-guide-to-troubleshooting-cold-solder-joints-with-mind-map.html) ### Solar Module Stringing: Cold Solder Troubleshooting A hands-on troubleshooting guide for cold solder joints in solar module stringin··· ![What Is a BC Cell? Back-Contact Solar Cells Explained](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_2026102305050005.webp) - [** Jerry](./bc-solar-cells-explained-structure-differences-manufacturing-process-and-string-soldering-principle.html) - [** 677 Views](./bc-solar-cells-explained-structure-differences-manufacturing-process-and-string-soldering-principle.html) ### What Is a BC Cell? Back-Contact Solar Cells Explained A back-contact cell puts both electrodes on the rear, so nothing shades the fron··· ![EPE Encapsulant: Line-Shaped Bubbles and Delamination](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_2cca1179af58f4d5696fe713c36abf12.webp) - [** Jerry](./epe-encapsulant-lamination-delamination-line-shaped-bubbles-along-solar-cell-ribbons.html) - [** 499 Views](./epe-encapsulant-lamination-delamination-line-shaped-bubbles-along-solar-cell-ribbons.html) ### EPE Encapsulant: Line-Shaped Bubbles and Delamination A technical blog explaining why EPE encapsulant may cause lamination delaminatio··· ![Solar Panel Lamination Process: Steps and Parameters](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_7c35a843308cf58d2b99b25d6c331e51.webp) - [** Jerry](./solar-panel-production-process-lamination.html) - [** 716 Views](./solar-panel-production-process-lamination.html) ### Solar Panel Lamination Process: Steps and Parameters The solar panel lamination process explained: how a laminator bonds glass, EVA, ··· ![PV Stringer: Solar Cell Tabber Stringer Basics](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_cc4629de2d6a39709d12bf8ac1555576.webp) - [** Jerry](./pv-basics-solar-cell-tabber-stringer-machine-part-1.html) - [** 768 Views](./pv-basics-solar-cell-tabber-stringer-machine-part-1.html) ### PV Stringer: Solar Cell Tabber Stringer Basics A practical introduction to the PV stringer machine: what a solar cell tabber st··· ![Laminator Frame Jumping: Causes and Prevention](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_edc63a6509331c6ce696d3e963573643.webp) - [** Jerry](./pv-module-laminator-frame-jumping-causes-risks-and-practical-prevention.html) - [** 523 Views](./pv-module-laminator-frame-jumping-causes-risks-and-practical-prevention.html) ### Laminator Frame Jumping: Causes and Prevention A practical technical blog explaining frame jumping issues in PV module laminati··· ![Multi-Cut Solar Modules: A Practical Analysis](https://cdn.ooitech.com/runtime/image/w800_h600_fitblur_v2_4261c220183c72e49575352971cc588a.webp) - [** Jerry](./multi-cut-solar-modules-a-practical-analysis-of-shade-resistance.html) - [** 569 Views](./multi-cut-solar-modules-a-practical-analysis-of-shade-resistance.html) ### Multi-Cut Solar Modules: A Practical Analysis An engineering-style blog explaining what multi-cut solar modules are, why half-··· - [**](/Photovoltaics_7.html) - [**](/Photovoltaics_9.html) ![](/template/ooitech/assets/img/shape/06.png) ![](https://cdn.ooitech.com/runtime/image/w800_h700_fitblur_v2_w800_h700_fitblur_v2_1757399770541443.webp) ### Request A Quote All uploads are secure and confidential. ## We deliver expertise you can trust our service Direct-from-Factory Equipment. ![](/template/ooitech/assets/img/icon/money-2.svg) ### Cost-Effective Advantages We deliver exceptional value, maximizing results while optimizing budgets for clients. ![](/template/ooitech/assets/img/icon/staff.svg) ### Our Experience Team Our skilled professionals specialize in innovative solutions and tailored strategies. ![](/template/ooitech/assets/img/icon/certified.svg) ### 15+ Years Industry Experience Deep expertise ensures reliable, trend-aware, and proven outcomes for success. ![](https://cdn.ooitech.com/static/upload/image/20250910/1757477357667605.webp ) ![](https://cdn.ooitech.com/static/upload/image/20250910/1757477724911512.webp) ![](/template/ooitech/assets/img/shape/06.png) ## What Our Client Say's about us Client testimonials praise our deep understanding of their challenges, which leads to innovative solutions and strong ROI. 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