Core Viewpoint - The article discusses the upcoming 2025 High-Performance Lithium Battery Annual Conference and the collaboration between a well-known cylindrical battery company and Jiangsu Yinglian Composite Current Collector Co., Ltd. to enhance the performance of composite current collector materials [2][3][4]. Group 1: Event Details - The 2025 High-Performance Lithium Battery Annual Conference will take place from November 18-20, 2025, at the JW Marriott Hotel in Shenzhen Qianhai [2]. - The event is organized by Gaogong Lithium Battery and Gaogong Industry Research (GGII), with various sponsors including HaiMuxing Laser and Dazhu Lithium Battery [2][3]. Group 2: Collaboration Overview - The partnership aims to integrate resources to improve the performance of composite current collector materials and optimize application solutions [3][4]. - Yinglian Composite Current Collector will provide core raw materials for research and experiments, while the battery company will implement and continuously optimize application solutions [4]. Group 3: Industry Trends - The composite current collector technology has faced challenges in commercialization over the past two to three years, but is now entering a critical development window in 2025 due to policy support and increased attention from the industry [4][5]. - The industry consensus indicates that composite aluminum foil has been gradually ramping up since 2022, and composite copper foil is expected to enter mass production in the second half of 2025 [4]. Group 4: Cost and Yield Improvements - Significant progress has been made in the production cost and yield of composite current collectors, with raw material costs for composite copper foil dropping to approximately 1.25 yuan/m², about one-third of traditional 6μm copper foil [5]. - Current yield rates for leading manufacturers of composite current collectors are around 80%, with some achieving over 95% for 6μm products, potentially leading to a 20% to 30% cost reduction compared to traditional copper foil [5]. Group 5: Policy and Standards Impact - The "Implementation Plan for High-Quality Development of the Copper Industry (2025-2027)" issued by multiple government departments highlights composite copper foil as a key development direction [6]. - New safety standards for electric vehicle batteries, effective from July 1, 2026, will enhance safety performance requirements, making composite current collector materials a crucial option to meet these standards [6][7].

Core Viewpoint - Jiangsu Yinglian Composite Fluid Co., Ltd. has signed a strategic cooperation agreement with a well-known cylindrical battery company to enhance the performance of composite fluid battery materials and promote industrial development [1] Company Summary - Jiangsu Yinglian is a high-tech enterprise focused on the research, production, and sales of composite aluminum foil and composite copper foil for new energy vehicle power lithium batteries [1] - The cylindrical battery company specializes in consumer batteries and power batteries, indicating a strong technological foundation in the battery sector [1] Industry Summary - The collaboration aims to leverage the strengths of both companies to validate and improve the performance of composite fluid battery materials [1] - The partnership is focused on the preparation and technical development of high-performance composite fluid materials, contributing to the industrialization of composite fluid technology [1]

Core Viewpoint - The company announced a strategic cooperation agreement with a well-known cylindrical battery company to develop high-performance composite current collector materials and technology, which is expected to positively impact the company's future development, although it will not have a significant effect on the current year's operating performance [1]. Group 1 - The company is Jiangsu Yinglian Composite Current Collector Co., Ltd., a subsidiary of Yinglian Co., Ltd. [1] - The strategic cooperation aims to promote the industrialization of composite current collectors [1]. - The agreement is seen as a step towards enhancing the company's capabilities in the composite current collector industry [1].

Core Viewpoint - The 2025 High-tech New Energy Materials Industry Conference aims to explore new materials, new dynamics, and new ecosystems in the energy sector, focusing on the evolving landscape of battery materials and their applications [1]. Group 1: Conference Overview - The conference is organized by High-tech Lithium Battery, High-tech Energy Storage, and High-tech Industry Research Institute (GGII) [1]. - It will take place from July 8 to 9, 2025, in Chengdu, Sichuan, at the Yang'an New City Conference Center [1]. Group 2: Key Sessions and Topics - The opening ceremony will feature speeches from industry leaders, including Zhang Xiaofei, Chairman of High-tech Lithium Battery, and representatives from local governments [2]. - Key topics include the transformation of battery materials under diverse demands, the industrial application of composite conductive fluids, and the collaborative development of materials, processes, and equipment [3]. Group 3: Specialized Sessions - On July 9, specialized sessions will cover new material applications in lithium batteries, advancements in negative electrode materials, and alternative solutions for lithium battery binders [4]. - Discussions will also focus on the challenges in the industrialization of new materials and strategies for balancing energy efficiency, cost, and supply chain security [4][5]. Group 4: Innovation and Sustainability - The afternoon session will address how equipment companies can adapt to new material processes and the innovative technologies for battery recycling and resource circularity [5]. - A roundtable discussion will explore the role of equipment innovation in driving the development of new energy materials and achieving zero-carbon manufacturing [5].

Core Viewpoint - The 2025 High-Performance New Energy Materials Industry Conference will focus on the acceleration of composite conductive materials in the lithium-ion battery sector, highlighting the strategic partnership between Yinglian Composite Conductive Materials and a leading global polymer lithium-ion battery manufacturer [1][2]. Group 1: Industry Developments - The composite conductive materials industry is experiencing accelerated industrialization, with Yinglian's partnership with a top consumer battery manufacturer seen as a key move into the consumer electronics lithium battery supply chain [1]. - Yinglian's new factory in Jiangsu is set to produce 1 billion square meters of composite aluminum foil and 5 billion square meters of composite copper foil, positioning the company among the global leaders in production capacity [2]. Group 2: Technological Innovations - Yinglian's core products utilize a "PET base film + metal layer" sandwich structure, achieving significant technical breakthroughs with a metal layer thickness of only 2.5μm for composite copper foil and 4.5μm for composite aluminum foil [2]. - The safety of Yinglian's composite conductive materials has been enhanced, passing 100% puncture tests to ensure they do not smoke, catch fire, or explode [2]. - The lightweight design of the battery system has resulted in a 13.8% increase in energy density [2]. Group 3: Reliability and Manufacturing Solutions - The corrosion rate of composite copper foil after 72 hours of immersion at 80℃ is consistent with traditional copper foil, while composite aluminum foil shows no corrosion after 120 hours in electrolyte at 85℃, meeting the durability requirements for power batteries [3]. - Yinglian has validated dual solutions for welding challenges in composite conductive materials, focusing on material thinning and ultra-thin material welding to address process compatibility issues [4].

Investment Rating - The report maintains a positive outlook on the wind power sector, particularly for domestic companies capable of securing orders from the Philippines' 3.3GW offshore wind project and the domestic wind turbine market [2][7]. Core Insights - The report highlights the strong demand for wind power and solar energy, with specific attention to the Philippines' offshore wind project and the ongoing developments in the domestic wind turbine market. It also emphasizes the importance of technological innovation and differentiation in the solar and energy storage sectors [2][7][4]. Wind Power - The Philippines has initiated a 3.3GW offshore wind project tender, requiring project delivery between 2028-2030, which is significantly shorter than typical overseas project timelines. This presents opportunities for domestic wind turbine, foundation, and submarine cable companies to secure related orders [2][7]. - The average bidding price for the 5.XMW wind turbine model in the 2.5GW land wind turbine procurement by State Power Investment Corporation increased by 17% compared to March, indicating a positive trend for profitability in the turbine segment [2][7]. Solar & Energy Storage - The SNEC exhibition showcased strong attendance, but the demand outlook remains stable with companies prioritizing risk control amid overcapacity and ongoing profitability pressures. The focus has shifted from technical debates to micro-innovations and exploring new application scenarios for differentiation [2][7]. - The report projects that by 2025, the domestic energy storage market will see an addition of 54GW/150GWh, reflecting a year-on-year growth of 24%/37% [2][7]. Electric Grid - The report notes a significant increase in the number of bidding packages for the State Grid's 2025 transmission and transformation projects, with a total of 579 packages, marking a 58-package increase from previous rounds [3][10]. - The Hami-Chongqing ultra-high voltage direct current project has commenced operations, with additional projects expected to be approved for construction in the coming months, indicating a robust outlook for companies involved in ultra-high voltage projects [3][10]. New Energy Vehicles - The report indicates a decline in local subsidies for electric vehicles, leading to a pessimistic sentiment regarding overall vehicle demand. However, it suggests that the impact of subsidy reductions may vary by region and emphasizes the need to monitor actual sales data [12][17]. - The report highlights the launch of the Xiaopeng G7, a new electric SUV, and notes that the vehicle's pre-sale performance has exceeded expectations, although pricing adjustments may be necessary upon official launch [12][17]. Hydrogen and Fuel Cells - The National Energy Administration has initiated hydrogen energy pilot projects, aiming to accelerate the commercialization of hydrogen technologies across various applications [3][17]. - The report notes a decline in production and sales of fuel cell vehicles, indicating that the industry still requires substantial policy support to achieve stable growth [3][17]. Lithium Batteries - The report emphasizes the nearing commercialization of composite current collectors and solid-state batteries, with significant advancements expected in the third quarter [4][22]. - The rising copper prices are increasing the cost share of copper foil in batteries, making it a critical area for cost reduction in battery materials [4][22].

6月会议预告 2025高工钠电 产业峰会 主办单位： 高工钠电、高工产业研究院（GGII） 总冠名： 众钠能源 会议时间： 6月9日 会议地点： 苏州香格里拉大酒店（苏州虎丘区塔园路168号） 2025高工固态电池 技术与应用峰会 主办单位： 高工锂电、高工储能、高工产业研究院（GGII） 总冠名： 利元亨 会议时间： 6月10日 会议地点： 苏州香格里拉大酒店（苏州虎丘区塔园路168号） 近期，国内多家主要电池企业上市公司公布一季度业绩报告。 宁德时代 2025 年 Q1 营业收入 847 亿元，同比增长 6.18% ；归母净利润 140 亿元，同比增长 32.85% 。 亿纬锂能 2025 年 Q1 营业收入 128 亿元，同比增长 37.34% ；归母净利润 11 亿元，同比增长 3.32% 。 国轩高科 2025 年 Q1 营业收入 90.6 亿元，同比增长 20.61% ；归母净利润 1 亿元，同比增长 45.55% 。 整体上看，上述三家主要电池企业一季度营收和净利润均实现了正增长，宁德时代营收增速有所放缓，但是净利润增长表现出色；亿纬锂能净利润表 现平稳，营收增速较快；国轩高科在营收和净利润上都 ...

摘要 良率问题阻碍复合集流体产业化。 铜价持续震荡， 安全性要求的提升 推动着复合集流体产业化，与此同时，随着近年来复合集流体技术攻关，复合集流体产业化项目接连落地。 今年 3 月，近百亿元复合集流体项目落地内蒙古鄂尔多斯；今年 1 月，包含 BOPP 复合集流体项目的 10 亿元新型材料项目落户新会江睦新能源双 碳产业园；另外，国泰真空复合集流体研发生产基地预计今年 5 月竣工。 除了项目方面的落地， 复合集流体领域的投融资也在持续进行。 今年 3 月份，以复合集流体研发、生产、制造为主业的安迈特获得了数亿元的 B1 轮融资；此前，主营复合集流体技术的纳力新材也获得了近 10 亿 元 A+ 轮融资 。 从产业链来看，复合集流体的大规模使用仍需要一定的时间， 但在 2025 年，复合集流体已处于初步放量阶段。 根据英联股份此前公告的内容， U&S ENERGY 将于 2025 年采购英联股份 200 万平方米复合铝箔和 100 万平方米复合铜箔；金美新材料方面也在 快速推进复合集流体量产，其已建成重庆綦江示范基地年产能 1 亿平方米。 复合集流体作为箔材领域的一项革命性材料，以其突出的安全性、减重特征、去金属 ...

Core Viewpoint - The composite current collector industry is facing challenges in industrialization primarily due to yield issues, which are fundamentally linked to cost concerns [6]. Group 1: Industry Development - The composite current collector industry is experiencing ongoing project launches, with significant investments such as nearly 10 billion yuan projects in Inner Mongolia and a 1 billion yuan project in Jiangmen [2]. - Financing activities in the composite current collector sector are also active, with companies like Anmate securing several hundred million yuan in Series B funding and Nali New Materials obtaining nearly 1 billion yuan in Series A+ funding [3]. - By 2025, the composite current collector is expected to enter an initial stage of mass production, with companies like U&S ENERGY planning to purchase 2 million square meters of composite aluminum foil and 1 million square meters of composite copper foil [4]. Group 2: Material Characteristics - Composite current collectors are seen as revolutionary materials in the foil sector, offering safety, weight reduction, and demetallization properties, making them excellent alternatives to traditional copper foils [5]. - Despite recent price increases in raw materials, the pressure for cost reduction remains, and the competitive landscape is intense, limiting the cost advantages of composite current collectors [6]. Group 3: Technical Challenges - The primary bottleneck for large-scale use of composite current collectors is the yield issue, which is closely tied to production costs [6]. - Current production methods involve high costs for vacuum coating equipment, which can range from hundreds of thousands to millions of yuan, making it difficult to recover depreciation costs without significant production efficiency [6]. - The industry is actively working on improving production yields and speeds, as well as enhancing production equipment and processes to achieve greater economies of scale [7]. Group 4: Equipment and Innovation - Companies like North Huachuang are advancing in the field of PVD equipment, focusing on breakthroughs in key equipment for the composite current collector industry [8]. - The eMeridian series of PVD equipment has been launched to meet the preparation needs for high-performance composite copper and aluminum foils, significantly improving production capacity and yield [11]. Group 5: Policy Support and Market Demand - The Chinese government is increasing support for the composite current collector industry, with policies encouraging technological advancements and large-scale applications [12]. - Market demand for composite current collectors is influenced by their cost-effectiveness compared to traditional copper foils, particularly in the context of the competitive landscape [13]. - The demand from mid-to-low-end electric vehicles for composite current collectors is limited, primarily due to the pricing of lithium iron phosphate battery cells [14]. Group 6: Performance and Future Applications - The conductivity of composite current collectors, which affects fast charging performance, is generally lower than that of traditional copper foils, posing a limitation for their use in fast-charging batteries [15]. - However, battery manufacturers are primarily focused on the safety benefits provided by composite current collectors, with some clients achieving performance comparable to traditional technologies [15]. - As breakthroughs in cost and performance continue, composite current collectors are expected to find applications beyond lithium batteries, including humanoid robots, aerospace, and high-end digital fields [15].