Core Insights - The photovoltaic (PV) industry is experiencing rapid technological iteration, particularly with the emergence of Back Contact (BC) technology, which has achieved a world record efficiency of 27.81% for monocrystalline silicon solar cells [2][8] - BC technology is projected to capture a market share of 62% by 2030, driven by its efficiency and cost advantages over existing technologies like TOPCon [2][4] Group 1: Technological Advancements - BC technology has eliminated the shading effect of traditional front electrodes, maximizing light absorption and enhancing conversion efficiency [3] - Recent breakthroughs have significantly reduced the production costs of BC cells, making them competitive with other high-efficiency technologies [3][4] - The manufacturing cost difference between BC and TOPCon is now controlled within 0.05 USD/W, with expectations that BC costs will be lower than TOPCon in the near future [4] Group 2: Market Dynamics - Major players in the PV industry, including Longi Green Energy and Aiko Solar, are shifting their focus towards BC technology, indicating a trend towards its mainstream adoption [5][6] - The industry is witnessing a rapid increase in production capacity for BC technology, with projections suggesting a tenfold increase by 2025 [7] Group 3: Industry Challenges and Solutions - The industry has resolved significant technical bottlenecks, allowing for large-scale promotion of BC technology [9] - There is a cautionary note regarding the potential for overcapacity similar to what occurred with TOPCon technology, emphasizing the need for strategic deployment of BC technology [9] Group 4: Collaboration and Adoption - BC components have been included in major state-owned enterprise tenders, indicating growing acceptance in the market [10] - Collaboration across the supply chain is essential for the successful commercialization of BC technology, with calls for industry participants to take initiative in adopting new technologies [10]
巨头密集布局新技术路线!隆基绿能总裁李振国:BC已经完全可以在行业里大规模推广