Group 1 - The core point of the article is that Jinko Energy (Haining) Co., Ltd. has obtained a patent for a solar stacked battery and its preparation method, indicating advancements in solar technology [1] - The patent was granted with the announcement number CN121001504B, and the application date was October 2025 [1] - Jinko Energy (Haining) Co., Ltd. was established in 2017 and is located in Jiaxing City, primarily engaged in the production and supply of electricity and heat [1] Group 2 - The registered capital of Jinko Energy (Haining) Co., Ltd. is 357 million RMB [1] - The company has participated in 55 bidding projects and holds 963 patent records, along with 74 administrative licenses [1]

Core Viewpoint - A research team from the Qingdao Institute of Bioenergy and Process Research, Chinese Academy of Sciences, has achieved over 15% photovoltaic conversion efficiency with a new type of solar cell material, receiving international certification [1] Group 1: Technology and Material - The core material used in this technology is Copper Zinc Tin Sulfide Selenium solar cells (CZTSSe) [1] - The primary elements of CZTSSe are abundant in the Earth's crust, making it a low-cost material that does not rely on rare metals [1] - The production method is based on a solution process, which further reduces manufacturing costs [1] Group 2: Environmental and Performance Aspects - The thin-film solar cells require less material, contributing to lower overall costs [1] - The material is safe and environmentally friendly, containing no toxic elements, making it suitable for large-scale applications [1] - The performance of the solar cells remains stable even in complex environmental conditions [1]

Group 1 - The core point of the article is that Zhejiang Jinko Energy Co., Ltd. has obtained a patent for a solar cell sintering furnace, preparation method for solar cells, and solar cells themselves, with the patent announcement number CN121185055B and an application date of November 2025 [1] - Zhejiang Jinko Energy Co., Ltd. was established in 2006 and is located in Jiaxing City, primarily engaged in the manufacturing of electrical machinery and equipment [1] - The company has a registered capital of 2,714,342,985.47 RMB and has made investments in 9 enterprises, participated in 97 bidding projects, and holds 2,688 patent records along with 35 administrative licenses [1]

Group 1 - The core viewpoint of the news is that GCL-Poly Energy Holdings Limited has applied for a patent for a new type of stacked solar cell technology, which aims to improve efficiency by reducing light blockage and current loss [1] Group 2 - GCL-Poly Energy Holdings Limited was established in 2003 and is based in Shanghai, primarily engaged in the manufacturing of electrical machinery and equipment, with a registered capital of approximately 585 million RMB [2] - The company has made investments in 32 enterprises and participated in 508 bidding projects, holding 21 trademark registrations and 305 patents [2] - Wuhu GCL-Poly Energy Technology Co., Ltd., established in 2022, focuses on other manufacturing sectors with a registered capital of 800 million RMB and has invested in 2 enterprises, participated in 36 bidding projects, and holds 149 patents [2]

Group 1 - The State Intellectual Property Office of China shows that Jineng Photovoltaic Technology Co., Ltd. and Jineng Clean Energy Technology Co., Ltd. have applied for a patent titled "A Structure and Preparation Method of Indium-Free Heterojunction Solar Cell," with publication number CN121510719A and application date of November 2025 [1] - The patent describes a method for preparing an indium-free heterojunction solar cell structure, involving the deposition of AZO and LiF films on the front and back of a silicon substrate, which is beneficial for mass production of HJT cells due to the stability of AZO films in hydrogen plasma environments [1] - Jineng Photovoltaic Technology Co., Ltd. was established in 2015, located in Jinzhong City, with a registered capital of 300 million RMB, and has participated in 1,579 bidding projects and holds 283 patents [1] Group 2 - Jineng Clean Energy Technology Co., Ltd. was established in 2013, located in Lüliang City, with a registered capital of approximately 1.756 billion RMB, and has invested in 16 companies and participated in 3,460 bidding projects [2] - The company holds 293 patents and has 14 administrative licenses, indicating a strong presence in the clean energy sector [2]

Group 1 - The company has developed technical reserves for N-type heterojunction battery technology and is also engaged in the research and development of perovskite-silicon tandem battery technology [1]

Group 1 - Jinko Solar (Haining) Co., Ltd. and Zhejiang Jinko Solar Co., Ltd. have obtained a patent for a method and equipment for printing solar cells, with the authorization announcement number CN117301743B, applied for on August 2023 [1] - Jinko Solar (Haining) Co., Ltd. was established in 2017, located in Jiaxing City, primarily engaged in power and heat production and supply, with a registered capital of 3.57 billion RMB [1] - The company has participated in 56 bidding projects and holds 924 patent records, along with 72 administrative licenses [1] Group 2 - Zhejiang Jinko Solar Co., Ltd. was established in 2006, also located in Jiaxing City, primarily engaged in the manufacturing of electrical machinery and equipment, with a registered capital of approximately 2.71 billion RMB [1] - The company has made investments in 9 enterprises, participated in 97 bidding projects, and holds 2,671 patent records, along with 35 administrative licenses [1]

Group 1 - The core viewpoint of the news is that Tongwei Solar (Chengdu) Co., Ltd. has obtained a patent for a device used in the production of bifacial heterojunction solar cells, which aims to enhance production efficiency and product quality [1] Group 2 - Tongwei Solar (Chengdu) Co., Ltd. was established in 2011 and is located in Chengdu, primarily engaged in the production and supply of electricity and heat [2] - The company has a registered capital of 540 million RMB and has participated in 375 bidding projects [2] - It holds 1,253 patents and has 14 trademark registrations, along with 856 administrative licenses [2]

Group 1 - The core point of the article is that Jinko Energy (Haining) Co., Ltd. has applied for a patent related to solar cell technology, specifically a boron diffusion method that aims to reduce the warpage of silicon wafers [1] Group 2 - The patent application, published as CN121057349A, was filed on October 2025 and involves a process that includes several temperature-controlled steps for the preparation of solar cells [1] - Jinko Energy (Haining) Co., Ltd. was established in 2017 and is located in Jiaxing City, primarily engaged in the production and supply of electricity and heat [1] - The company has a registered capital of 357 million RMB and has participated in 56 bidding projects, holds 823 patent records, and possesses 72 administrative licenses according to data from Tianyancha [1]

Group 1 - The core viewpoint of the news is that Guodian Investment New Energy Technology Co., Ltd. has applied for a patent for a method of preparing heterojunction solar cells, which aims to improve light absorption efficiency while reducing costs [1] Group 2 - Guodian Investment New Energy Technology Co., Ltd. was established in 2017 and is located in Nanchang City, primarily engaged in other manufacturing industries [2] - The company has a registered capital of 85 million RMB and has made investments in 3 enterprises [2] - The company has participated in 24 bidding projects and holds 96 patent information and 11 trademark information [2]