光伏技术

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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]
【通威股份(600438.SH)】硅料&电池销量维持行业第一,组件海外市场销售保持高速增长——2025年中报点评(殷中枢/郝骞)
光大证券研究· 2025-08-25 23:06
Core Viewpoint - The company reported a decline in revenue and an increase in net loss for the first half of 2025, indicating challenges in financial performance while maintaining leadership in the silicon and battery markets [4]. Group 1: Financial Performance - In H1 2025, the company achieved operating revenue of 40.509 billion yuan, a year-on-year decrease of 7.51%, and a net profit attributable to shareholders of -4.955 billion yuan, with losses widening compared to the previous year [4]. - In Q2 2025, the company recorded operating revenue of 24.575 billion yuan, a year-on-year increase of 1.44%, and a net profit attributable to shareholders of -2.363 billion yuan, with a reduction in the loss margin compared to Q1 [4]. Group 2: Market Position and Product Performance - The company maintained a global market share of approximately 30% in polysilicon sales, achieving sales of 161,300 tons in H1 2025, with a significant focus on N-type products, which accounted for over 90% of shipments [5]. - The company’s silicon consumption decreased to 1.04 kg/kg.si, and it achieved near-zero steam consumption, with product quality improvements leading to metal content in N-type materials dropping to below 0.1 ppbw [5]. Group 3: Battery Sales and Technology Development - In H1 2025, the company sold 49.89 GW of batteries, maintaining its position as the global leader, while enhancing cost reduction and efficiency across key competitive metrics [6]. - The company is advancing various battery technologies, including TOPCon, HJT, and xBC, with notable achievements such as the TNC2.0 module reaching a power output of 778.5W and conversion efficiency of 25.06% [6]. Group 4: Component Sales and Project Development - The company achieved component sales of 24.52 GW in H1 2025, with a year-on-year decrease in non-battery costs by 11% and a 31% reduction in period expenses [7]. - The company is expanding its domestic and international component markets, with overseas sales reaching 5.08 GW and significant progress in markets like Poland and Romania, alongside the development of the "fishing and solar integration" project [7].
全球第三大光伏电池龙头计划赴港上市
Xin Lang Cai Jing· 2025-08-22 13:22
Core Viewpoint - Yingfa Ruineng, a rising leader in the photovoltaic battery sector, has submitted its IPO application to the Hong Kong Stock Exchange, marking its first detailed disclosure of business data [2][4]. Company Overview - Yingfa Ruineng was established in 2016, focusing on the research, production, and sales of photovoltaic battery cells, covering both P-type and N-type cells [2]. - The company has advanced to become the third-largest global manufacturer of N-type TOPCon battery cells, with a market share of 14.7% as of 2024 [4][6]. Financial Performance - The company's revenue for 2022 and 2023 was 56.43 billion RMB and 104.94 billion RMB, respectively, with profits of 3.5 billion RMB and 4.1 billion RMB [4]. - In 2024, revenue is projected to decline nearly 60% to 43.59 billion RMB, with a net loss of 8.64 billion RMB [4]. - For the first four months of 2024, Yingfa Ruineng reported revenue of 24.08 billion RMB and a net profit of 3.55 billion RMB, achieving a gross margin of 23.8% [4][5]. Production Capacity and Technology - As of April 2023, Yingfa Ruineng has a production capacity of 32.7 GW for N-type TOPCon battery cells, having ceased production of traditional P-type PERC cells [6]. - The company has achieved a light conversion efficiency exceeding 27.1% for N-type TOPCon cells as of June 2025 [6]. Market Expansion and Strategy - Yingfa Ruineng has established its first overseas manufacturing base in Indonesia to serve Southeast Asia, the Middle East, and European markets, aiming to reduce logistics costs and enhance trade resilience [7]. - The company has also focused on the N-type xBC battery segment, becoming the first specialized manufacturer to commercialize this technology [7]. Shareholding Structure - The controlling shareholders of Yingfa Ruineng include the Zhang family, holding approximately 49.1% of voting rights, with Nanjing Yingfa as the largest shareholder [12][13]. - The company has received significant investment from local state-owned enterprises in Yibin, which collectively hold 26.51% of the shares [17]. Recent Developments - Yingfa Ruineng previously sought to list on the A-share market but withdrew its application in June 2023 due to strategic considerations [19].
爱旭科技取得背接触电池组件及光伏系统专利,提高背接触电池组件发电效率
Sou Hu Cai Jing· 2025-08-20 10:59
Core Viewpoint - A group of companies under the name "爱旭" has obtained a patent for a technology related to back-contact solar cells and photovoltaic systems, indicating a significant advancement in solar energy technology [1][2]. Company Summaries - **Zhejiang Aisxu Solar Technology Co., Ltd.**: Established in 2016, located in Jinhua, with a registered capital of 5691.89 million RMB. The company has invested in 11 enterprises, participated in 127 bidding projects, and holds 1900 patent records [2]. - **Zhuhai Fushan Aisxu Solar Technology Co., Ltd.**: Founded in 2021, located in Zhuhai, with a registered capital of 4500 million RMB. The company has participated in 108 bidding projects and holds 1052 patent records [3]. - **Guangdong Aisxu Technology Co., Ltd.**: Established in 2009, located in Foshan, with a registered capital of 2823.47 million RMB. The company has invested in 1 enterprise, participated in 8 bidding projects, and holds 1775 patent records [3]. - **Tianjin Aisxu Solar Technology Co., Ltd.**: Founded in 2018, located in Tianjin, with a registered capital of 1300 million RMB. The company has invested in 1 enterprise, participated in 22 bidding projects, and holds 1206 patent records [3]. - **Shenzhen Aisxu Digital Energy Technology Co., Ltd.**: Established in 2022, located in Shenzhen, with a registered capital of 650 million RMB. The company has invested in 2 enterprises, participated in 1 bidding project, and holds 463 patent records [4]. - **Chuzhou Aisxu Solar Technology Co., Ltd.**: Founded in 2024, located in Chuzhou, with a registered capital of 500 million RMB. The company has participated in 4 bidding projects and holds 161 patent records [4]. - **Shandong Aisxu Solar Technology Co., Ltd.**: Established in 2023, located in Jinan, with a registered capital of 4500 million RMB. The company has invested in 1 enterprise, participated in 22 bidding projects, and holds 159 patent records [4].