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首次!我国太阳能电池领域取得突破性进展
Huan Qiu Wang Zi Xun· 2025-10-29 03:25
Core Viewpoint - The development of all-perovskite tandem solar cells, which combine wide and narrow bandgap perovskite sub-cells, represents a significant advancement in next-generation photovoltaic technology, offering high efficiency and low cost [1] Group 1: Technological Advancements - A new all-perovskite tandem solar cell has been designed using a dipole passivation strategy, achieving a record power conversion efficiency of 30.1%, marking the first time that polycrystalline thin-film solar cells have exceeded 30% efficiency [1] - This achievement has been certified by the Japan Electrical Safety & Environment Technology Laboratory and is included in the "Solar Cell Efficiency Table" [1] Group 2: Industry Implications - The dipole passivation strategy is expected to accelerate the transition of new perovskite photovoltaic technology from laboratory settings to industrial applications, playing a crucial role in the development of "grid parity" solar technology [1]
一TOPCon上市企业副总经理兼董事会秘书辞职
Sou Hu Cai Jing· 2025-10-25 05:24
Group 1 - The company announced the resignation of Liu Yi, the Deputy General Manager and Board Secretary, due to work adjustments, but he will continue to hold other positions within the company [2] - The resignation is effective immediately upon delivery to the board, and the company will appoint Liao Zhipeng as the acting Board Secretary until a new one is hired [2] - The company expressed gratitude for Liu Yi's contributions during his tenure, stating that his resignation will not adversely affect the company's operations or decision-making processes [2] Group 2 - The report will provide quarterly updates on the operational status of companies with established perovskite production lines, including management teams, equipment configurations, and technological routes [4] - Major silicon photovoltaic companies are actively investing in perovskite technology, recognizing it as a development trend, and will be reported on quarterly regarding their technological advancements and research progress [5] - The report will also update on the progress of perovskite battery projects that are in trial operation or under construction, as well as those in preliminary work or planned stages [6] Group 3 - The report will analyze the competitiveness of perovskite components based on costs, prices, and efficiency in various application scenarios compared to silicon components [9] - Local government policies are crucial for the development of the perovskite industry, and the report will provide updates on these policies to help understand industry trends and investment opportunities [8] - The report will include a comprehensive database of various photovoltaic projects in China, updated monthly, covering polysilicon, silicon ingots, wafers, and advanced photovoltaic components [9]
山西证券研究早观点-20251013
Shanxi Securities· 2025-10-13 01:02
Industry Overview - The solar energy sector experienced a significant decline in new installations, with August 2025 seeing a year-on-year decrease of 55.3%, totaling 7.4 GW. However, cumulative installations from January to August 2025 reached 230.61 GW, reflecting a 64.7% increase year-on-year [7]. - In terms of exports, solar module exports in August 2025 amounted to 20.95 billion yuan, marking a year-on-year growth of 20.4% and a month-on-month increase of 31.9%. Cumulatively, from January to August 2025, the export value was 132.21 billion yuan, down 18.0% year-on-year [7]. - Inverter exports also showed growth, with August 2025 exports valued at 6.29 billion yuan, a year-on-year increase of 2.2%, although it decreased by 3.4% month-on-month. Cumulative exports from January to August 2025 reached 43.4 billion yuan, up 8.0% year-on-year [7]. Company Analysis: Baofeng Energy (600989.SH) - Baofeng Energy is a leading player in the coal-to-olefins sector, with a significant project in Inner Mongolia set to enhance its growth potential. The company holds approximately 23.8% of the national coal-to-olefins production capacity, which is projected to reach 13.42 million tons per year by the end of 2024 [10]. - The company benefits from a cost advantage in coal-to-olefins production, as current coal prices are on a downward trend, allowing for lower production costs compared to oil-based methods. The company's gross margin for polyolefin products is higher than its peers, attributed to effective cost control and advanced production processes [10]. - The Inner Mongolia project, which is the largest coal-to-olefins project globally, is expected to be fully operational by April 2025, doubling the company's polyolefin production capacity. This expansion is anticipated to significantly contribute to the company's revenue growth [10]. - Future projects in Ningdong and Xinjiang are also in the pipeline, with a planned capacity increase of over 4.56 million tons, indicating strong long-term growth potential [10]. - Profit forecasts for Baofeng Energy suggest net profits of 12.2 billion yuan, 13.2 billion yuan, and 14.4 billion yuan for 2025 to 2027, with corresponding price-to-earnings ratios of 11, 10, and 9 times [10].
隆基绿能申请能提升硅片陷光能力专利,提升了含有该硅片的光伏产品的综合发电能力
Jin Rong Jie· 2025-09-16 09:37
Group 1 - Longi Green Energy Technology Co., Ltd. has applied for a patent titled "Silicon Wafer, Battery Cell, and Photovoltaic Device," with publication number CN120659432A, and the application date is July 2025 [1] - The patent application provides a silicon wafer that includes two surfaces relative to the thickness direction, with at least one surface having one or more recessed structures, and one or more protruding structures within the recessed structures [1] - The recessed structures are designed to effectively trap light at larger incident angles, while the protruding structures scatter light effectively at smaller incident angles, enhancing the overall light trapping capability of the silicon wafer across nearly all incident angles [1] Group 2 - Longi Green Energy Technology Co., Ltd. was established in 2000 and is located in Xi'an, primarily engaged in the manufacturing of electrical machinery and equipment [2] - The company has a registered capital of approximately 757.8 million RMB and has invested in 35 enterprises, participated in 359 bidding projects, and holds 2,097 patent records [2] - Additionally, the company has 207 trademark records and 56 administrative licenses [2]
光伏材料技术重大突破,关注备受资金青睐的光伏龙头ETF(159609)
Sou Hu Cai Jing· 2025-09-16 03:40
Group 1 - The core viewpoint of the news highlights the positive performance of the photovoltaic sector, particularly the leading ETF tracking the photovoltaic industry index, which has seen significant gains in its constituent stocks [1][4]. - The photovoltaic leading ETF (159609) has experienced a net subscription of 1 million shares, indicating strong investor interest [1][2]. - The recent "10th N-type Photovoltaic Technology and Industry Development Forum" discussed advancements in N-type battery technology and the future trends of high-efficiency batteries, showcasing the industry's focus on innovation [2][3]. Group 2 - Major breakthroughs in photovoltaic materials technology have been reported, including a new flexible photovoltaic material with a conversion efficiency of 10.1%, demonstrating the potential for industrialization [2]. - The BC new technology is making significant progress, with expectations for increased market penetration and scale of shipments starting from 2025 [3]. - The China Securities Photovoltaic Industry Index selects representative companies across the entire photovoltaic supply chain, including leading firms such as Sungrow Power Supply, LONGi Green Energy, and Tongwei Co., Ltd. [3].
钙钛矿-硅叠层太阳能电池钝化难题攻克
Ke Ji Ri Bao· 2025-09-08 00:22
Core Insights - An international photovoltaic research team has made significant progress in the industrialization of perovskite-silicon tandem solar cells, achieving a power conversion efficiency of 33.1% [1][2] - The advancement is crucial as silicon solar cells approach their theoretical efficiency limit of 29.4%, positioning perovskite-silicon tandem solar cells as the next important technology in the photovoltaic sector [1] Group 1 - The research team, consisting of institutions like King Abdullah University of Science and Technology, Freiburg University, and Fraunhofer Institute for Solar Energy Systems, successfully achieved high-quality passivation on textured silicon bottom cells [1] - The passivation process involved depositing 1,3-diaminopropane dihydroiodide on the uneven perovskite surface, leading to improved performance metrics [1] - The treated tandem cells exhibited an open-circuit voltage of 2.01 volts, indicating enhanced electrical performance [1] Group 2 - The study revealed that passivation not only improves the surface of the top cell but also affects the entire perovskite layer, enhancing conductivity and fill factor due to the deep-level effects of passivation [2] - This understanding of the internal mechanisms of power conversion in tandem cells allows for further development of more efficient solar cells [2] - The breakthrough in surface passivation is significant for the photovoltaic industry, potentially accelerating the commercialization of the next generation of high-efficiency solar cells [2]
钙钛矿—硅叠层太阳能电池钝化难题攻克
Ke Ji Ri Bao· 2025-09-05 08:55
Core Insights - An international photovoltaic research team has made significant progress in the industrialization of perovskite-silicon tandem solar cells, achieving a power conversion efficiency of 33.1% [1][3] - The advancement is crucial as silicon solar cells approach their theoretical efficiency limit of 29.4%, positioning perovskite-silicon tandem solar cells as the next important technology in the photovoltaic sector [1] Group 1 - The research team, consisting of King Abdullah University of Science and Technology, Freiburg University, and Fraunhofer Institute for Solar Energy Systems, successfully deposited 1,3-diaminopropane dihydroiodide on the uneven perovskite surface, resulting in excellent passivation effects [3] - The treated tandem cells exhibited a power conversion efficiency of 33.1% and an open-circuit voltage of 2.01 volts [3] - The passivation not only improved the surface of the top cell but also affected the entire perovskite layer, enhancing conductivity and fill factor due to the deep field effect [3] Group 2 - The findings enhance the understanding of the internal mechanisms of power conversion in top cells, enabling further development of more efficient tandem solar cells [3] - Surface passivation is identified as a key factor in improving the efficiency and stability of silicon cells, and its breakthrough in tandem cells is significant for the future of the photovoltaic industry [3]
宁德时代取得光伏组件以及光伏发电系统专利,有利于降低太阳能电池泄漏的铅等污染物流失到环境中去的风险
Jin Rong Jie· 2025-09-04 01:14
Group 1 - The core point of the article is that Contemporary Amperex Technology Co., Ltd. (CATL) has obtained a patent for a photovoltaic module and photovoltaic power generation system, indicating its ongoing innovation in renewable energy technology [1] - The patent, with the announcement number CN223285792U, was applied for on September 2024, showcasing the company's commitment to advancing solar energy solutions [1] - The photovoltaic module includes a frame, solar cells, and a pollutant treatment component, which consists of a diversion module and an adsorption module designed to guide fluid to the adsorption module for pollutant absorption [1] Group 2 - CATL was established in 2011 and is located in Ningde City, primarily engaged in the manufacturing of electrical machinery and equipment [1] - The company has a registered capital of 440,339.4911 thousand RMB, reflecting its substantial financial foundation [1] - According to data from Tianyancha, CATL has invested in 138 companies, participated in 520 bidding projects, and holds 658 trademark records along with 5,000 patent records, indicating its extensive business activities and intellectual property portfolio [1]
协鑫科技(3800.HK):颗粒硅降本增效持续推进 钙钛矿产业化进程加速
Ge Long Hui· 2025-09-02 12:17
Core Viewpoint - The company reported a significant decline in revenue and net profit for the first half of 2025, primarily due to supply-demand mismatches and intensified competition leading to prices falling below cash costs. However, there are signs of recovery as supply-side reforms progress and the industry stabilizes [1]. Financial Performance - In H1 2025, the company achieved revenue of 5.735 billion yuan, a year-on-year decrease of 36.84%, and a net loss of 1.776 billion yuan, with the same figure for non-recurring net profit [1]. - The average cash cost of granular silicon production in H1 2025 was 26.22 yuan/kg, with a quarterly cash cost of 25.31 yuan/kg in Q2 2025, indicating a continued trend of cost reduction [1]. Product Quality Improvement - The company has significantly improved product quality, achieving a purity level where 91.8% of products met the standard of total metal impurities ≤1 ppbw by Q2 2025. The proportion of granular silicon products with turbidity ≤70 NTU increased from 25% in September 2024 to 57.4% in Q2 2025 [1]. - The market share of the company in H1 2025 was 24.32%, an increase of 9.74 percentage points compared to the entire year of 2024 [1]. Technological Advancements - The company’s GW-level perovskite production line commenced mass production in June 2025, marking a significant milestone in the commercialization of perovskite photovoltaic technology [1]. - The company has achieved several global records in perovskite technology, including the largest single-junction and tandem perovskite modules, the highest efficiency for large-size modules, and the first to pass rigorous stability tests [1]. Investment Outlook - The company is projected to achieve revenues of 12.594 billion yuan, 21.309 billion yuan, and 24.398 billion yuan for the years 2025 to 2027, with net profits of -2.375 billion yuan, 0.838 billion yuan, and 2.189 billion yuan respectively. The corresponding PE ratios for 2026 and 2027 are expected to be 39x and 15x [1]. - As the photovoltaic industry undergoes capacity clearing and the company continues to lower production costs, profitability is expected to recover alongside an increase in market share [1].
帝科股份:高铜浆料方案主要应用于TOPCon电池的背面
Zheng Quan Ri Bao Wang· 2025-08-28 08:13
Group 1 - The core viewpoint of the article is that Dike Co., Ltd. (300842) has announced a significant reduction in silver consumption through its high copper paste solution, primarily used in the back of TOPCon solar cells [1] Group 2 - The company reported that the effective silver consumption has decreased by over 50% compared to standard mass production processes [1]