Core Insights - The report focuses on the technology trends in solar cell modules for 2025, highlighting the coexistence of multiple technologies, with TOPCon emerging as the industry standard, while HJT and BC technologies are also making significant advancements [8][25]. Group 1: Technology Overview - The current photovoltaic technology landscape features a variety of technologies, with TOPCon leading the market, followed by HJT and BC, all of which are in high-volume production [8][22]. - Innovations at the module level are shifting from a "one-size-fits-all" approach to application-specific designs, allowing manufacturers to customize materials based on climate and installation environments [13][22]. Group 2: TOPCon Technology - TOPCon technology has seen significant advancements, including laser-assisted contact formation and edge passivation techniques, which address defects from slicing large wafers [10][44]. - The market share for TOPCon is projected to be around 70% to 80% by 2025, with expectations of gradual decline to 60% by 2030 [31][29]. Group 3: HJT Technology - HJT technology has transitioned from doped amorphous silicon to microcrystalline silicon, focusing on reducing metallization costs and increasing busbar counts [11][14]. - Market share for HJT is estimated to be between 4% and 8% in 2025, with gradual growth expected to reach 10% by 2028 [32][34]. Group 4: BC Technology - BC technology remains less transparent due to its proprietary nature, but it is based on various cell architectures, with a focus on reducing silver usage and adopting zero-busbar designs [12][34]. - The market outlook for BC technologies is optimistic, with projections indicating a rise from 8% to 10% in market share by 2025 [33][34]. Group 5: Innovations in Wafer Technology - LONGi's TaiRay wafer, developed using the TRCZ process, offers precise resistivity control and improved gettering, enhancing performance across various cell technologies [9][36]. - The TaiRay wafer achieves a tight resistivity distribution, which is crucial for high-efficiency solar cell manufacturing, and is compatible with TOPCon, HJT, and BC architectures [37][41]. Group 6: Market Dynamics - The report includes market share predictions for different solar cell technologies, indicating a dynamic shift with TOPCon maintaining dominance while HJT and BC technologies gradually increase their presence [26][31]. - Innovations in upstream processes are setting the stage for broader performance gains across all architectures, with a focus on optimizing wafer quality and production efficiency [35][36].