Core Viewpoint - The article discusses the revolutionary "No Ear" technology in lithium-ion batteries, which eliminates traditional ear structures to enhance performance and safety, marking a significant advancement in the industry towards high energy density, ultra-high power, and wide temperature range applications [1][4]. Group 1: Technology and Performance - The "No Ear" technology fundamentally restructures the current transmission path in batteries, significantly reducing electronic resistance by 80% and improving energy efficiency by 80% over the entire lifecycle [6]. - The cylindrical battery structure, combined with high nickel and silicon materials, allows for uniform stress release and gas discharge, addressing safety concerns associated with traditional battery designs [5][6]. - The new battery cells support extreme temperature operations, with capabilities for -40°C discharge and -20°C charging, maintaining over 90% capacity retention [6]. Group 2: Manufacturing and Production - The production of "No Ear" cells involves complex manufacturing processes with thousands of control points, including precise coating techniques that require alignment within 0.1mm [7]. - Advanced welding techniques, such as laser penetration welding, are employed to ensure safety and longevity by preventing residue from remaining inside the cells [8]. Group 3: Company Development and Market Position - Established in 2022, the company has rapidly developed a modern factory and launched several high-performance battery models, including the world's highest energy density 21700 cylindrical cells [11][12]. - The company emphasizes its competitive edge through a strong talent pool, including experts from top universities and experienced professionals from the Japanese battery industry [12]. Group 4: Product Advantages - The "No Ear" cells have achieved significant performance benchmarks, including energy densities of 270Wh/kg and the upcoming 300Wh/kg models, alongside high discharge rates and long cycle life [17][18]. - The cells are designed for a wide operational temperature range and rapid charging capabilities, with future goals set to challenge even higher energy densities [19][28].

Core Viewpoint - The 2025 Fifth Annual Qidian Two-Wheeled Vehicle Battery Swap Conference highlighted advancements in battery technology, particularly focusing on the performance and safety of the "Wujie Ear" cylindrical battery cells developed by Ruien New Energy, which are positioned as industry-leading products in the two-wheeled vehicle sector [1][2]. Company Overview - Ruien New Energy was established in October 2022 and has rapidly developed a production facility exceeding 100,000 square meters within 13 months, achieving mass production standards [2]. - The company has launched the world's first mass-produced "Wujie Ear" 21700-5.0AH battery cell and the 21700-6.0AH cell, which are currently the highest energy density cylindrical cells globally, demonstrating a technological lead of 1-2 generations over competitors [2]. Battery Technology Insights - The "Wujie Ear" battery cell design significantly reduces electronic resistance, improving energy efficiency and thermal performance. The internal resistance is reduced by 80%, and the temperature rise during discharge is lowered by 30%, resulting in an 80% increase in energy over the battery's lifecycle [5]. - The cylindrical structure allows for nearly 100% roundness, enabling stress release in all directions, which is crucial for using high nickel and silicon materials without safety issues [3]. Manufacturing Process - The manufacturing of "Wujie Ear" cells involves complex processes with thousands of control points, including precise coating and laser welding techniques that enhance performance and safety [6][7]. - The company employs a team of experienced engineers, many of whom have over 15 years of experience at Panasonic, ensuring high-quality production standards and a high yield rate of over 90% [7]. Performance Metrics - The 21700-5.0AH cell can achieve 270Wh/kg in mass production, with plans to reach 300Wh/kg, making it one of the highest energy density cells available [8]. - The cells support extreme temperature ranges from -40°C to 80°C, with the ability to discharge at high rates even in low temperatures [10]. Product Recommendations - For lightweight two-wheeled vehicles, the RH60 cell is recommended, offering a discharge capacity of over 5900mAh and supporting 1C charge and 2C discharge rates [12]. - For electric motorcycles, the RS50 and RS60 cells are highlighted for their high energy density and excellent low-temperature performance, with RS50 supporting 3C continuous charging and RS60 supporting 2.5C [13].

Core Viewpoint - The article highlights the upcoming 2025 Fifth Point Two-Wheeled Vehicle Battery Swap Conference and Lightweight Power Battery Technology Summit, focusing on advancements in battery technology and the electric two-wheeler industry [1]. Group 1: Event Details - The conference will take place on July 10-11 at the Dingshilou International Hotel in Bao'an, Shenzhen, with over 300 key enterprises in the battery swap and electric two-wheeler sectors expected to attend [1]. - Jiangsu Ruien New Energy Technology Co., Ltd. is confirmed as a gold sponsor, with a keynote speech by Deputy General Manager Xie Zhiming on the application of ultra-thin cylindrical batteries in electric motorcycles and lightweight two-wheelers [1]. Group 2: Company Overview - Jiangsu Ruien New Energy is located in Changzhou, known as the "Capital of New Energy," with a total planned production capacity of over 50 GWh across its two bases [1]. - The company specializes in the research, manufacturing, and system solutions of high-quality ultra-thin cylindrical battery cells, emphasizing high rate, high energy density, wide temperature range, long lifespan, high consistency, and safety [1]. Group 3: Research and Development Team - The company boasts a top-tier R&D and engineering team, including 10 PhDs and postdoctoral researchers with deep expertise in high-rate, high-energy lithium-ion battery design [2]. - The engineering team consists of members from leading Japanese companies with an average of over 15 years of experience in lithium battery technology, ensuring high reliability and safety in product manufacturing [2]. Group 4: Industry Innovations - Ruien New Energy is at the forefront of the "ultra-thin ear" technology, which has garnered significant industry attention, with applications in humanoid robots and eVTOL (electric vertical takeoff and landing) vehicles [5]. - The company recently launched the INR21700-RS50 battery, marking the beginning of a new era in high-energy lithium batteries [5].

Core Viewpoint - The launch of the 21700-6.0Ah ultra-earless cylindrical cell by Jiangsu Ruien New Energy Technology represents a significant breakthrough in energy density, exceeding 300Wh/kg, and aims to redefine battery performance and applications in various sectors [1][4][16]. Product Features - The newly released INR21700-RH60 and RS60 models utilize an industry-leading "ultra-earless design" that significantly reduces internal resistance, enhancing energy density and cycle life [4]. - The battery features a "9-series ultra-high nickel positive electrode + silicon-carbon composite negative electrode" system, achieving energy density above 300Wh/kg, suitable for long-lasting and high-power applications [4][9]. - INR21700-RH60 supports ≥20A continuous discharge and ≥15C pulse discharge, while INR21700-RS60 supports ≥50A continuous discharge and ≥30C pulse discharge, catering to high energy and power density requirements [7][8]. Application Scope - The batteries can be widely applied in various fields, including two-wheelers, electric tools, garden tools, household appliances, portable energy storage, robotics, low-altitude aircraft, and engineering machinery [5]. Performance Metrics - INR21700-RH60 maintains a capacity retention rate of ≥80% after 1000 cycles at 1C charge/2C discharge under 25°C and 100% SOC, and 1500 cycles at 90% SOC [11]. - INR21700-RS60 retains ≥80% capacity after 600 cycles at 2.5C charge/5C discharge under 25°C and 100% SOC, and 1000 cycles at 90% SOC [12]. - The batteries are designed to operate in extreme temperatures, supporting charging from -20°C to 60°C and discharging from -40°C to 80°C, broadening their application scenarios [10]. Quality Assurance - The manufacturing process ensures high consistency, with overall CPK >1.33 and critical process CPK >1.67, guaranteeing stable performance in harsh conditions [13]. Strategic Collaboration - Following the product launch, Ruien New Energy signed a strategic cooperation agreement with Carl Zeiss (Shanghai) to establish a battery quality innovation laboratory, focusing on quality control throughout the battery lifecycle [19]. - This collaboration aims to leverage Zeiss's expertise in precision testing and Ruien's innovations in the new energy sector to enhance battery development and production [19][20]. Future Outlook - The company emphasizes that achieving 300Wh/kg is just the beginning, with aspirations to drive global energy transition through innovation and collaboration with partners [23].

Core Viewpoint - The article highlights the successful launch of the INR21700-6.0Ah battery by Ruien New Energy, emphasizing its high energy density and innovative design, which positions the company as a leader in the new energy sector [2][15]. Group 1: Product Features - The INR21700-RH60 and RS60 batteries feature an energy density exceeding 300Wh/kg, utilizing a "high nickel positive electrode + silicon-carbon composite negative electrode" design [2][8]. - The batteries support high discharge rates, with the RH60 capable of ≥20A continuous discharge and ≥15C pulse discharge, while the RS60 supports ≥50A continuous discharge and ≥30C pulse discharge [6][7]. - The operating temperature range is extensive, from -40°C to 80°C, allowing for versatile applications [9]. Group 2: Longevity and Consistency - The RH60 battery maintains a capacity retention rate of ≥80% after 1000 cycles at 1C charge/2C discharge under 100% SOC conditions [10]. - The RS60 battery shows a similar capacity retention after 600 cycles at 2.5C charge/5C discharge under 100% SOC [11]. - The manufacturing process ensures high consistency, with CPK values exceeding 1.33 for all processes and 1.67 for key processes, ensuring stable performance in demanding conditions [13]. Group 3: Strategic Collaborations - Ruien New Energy has entered a strategic partnership with Carl Zeiss (Shanghai) to establish a battery quality innovation laboratory, focusing on quality control throughout the battery lifecycle [17]. - This collaboration aims to leverage Zeiss's expertise in precision testing and Ruien's innovations in the new energy sector, enhancing the quality standards of China's new energy industry [17][18]. Group 4: Future Outlook - The launch of the 21700-6.0Ah battery and the partnership with Zeiss signify Ruien's commitment to driving global energy transformation through technology and quality [20]. - The company views the achievement of 300Wh/kg as a starting point for further innovation and collaboration in the new energy landscape [21].

Core Viewpoint - Jiangsu Ruien New Energy Technology has launched a groundbreaking product, the 21700-6.0Ah earless cylindrical cell, achieving an energy density exceeding 300Wh/kg, marking a significant milestone in the battery industry [1][3][10]. Product Features - The newly released INR21700-RH60 and RS60 models utilize an industry-leading "earless design," significantly reducing internal resistance and enhancing energy density and cycle life [3][4]. - The battery design incorporates a "high nickel positive electrode + silicon-carbon composite negative electrode" system, pushing energy density above 300Wh/kg, suitable for various applications including electric tools and low-altitude aircraft [3][5]. - INR21700-RH60 supports ≥20A continuous discharge and ≥15C pulse discharge, while INR21700-RS60 supports ≥50A continuous discharge and ≥30C pulse discharge, catering to high energy and power density requirements [4]. Performance and Longevity - INR21700-RH60 maintains a capacity retention rate of ≥80% after 1000 cycles at 1C charge/2C discharge under 25°C and 100% SOC [6][8]. - INR21700-RS60 retains ≥80% capacity after 600 cycles at 2.5C charge/5C discharge under 25°C and 100% SOC [7][8]. - The batteries are designed for a wide temperature range of -40°C to 80°C, supporting charging at -20°C to 60°C and discharging at -40°C to 80°C, broadening their application scenarios [5]. Strategic Collaborations - Following the product launch, Ruien New Energy signed a strategic cooperation agreement with Carl Zeiss (Shanghai) to establish a battery quality innovation laboratory, enhancing quality control throughout the battery lifecycle [14]. - This collaboration aims to leverage Zeiss's precision testing expertise and Ruien's innovation in new energy, promoting high-quality development in the global new energy sector [14]. Future Outlook - The launch of the 21700-6.0Ah battery and the partnership with Zeiss signify Ruien's commitment to driving global energy transformation through "technology + quality" dual strategies [17]. - The company views the achievement of 300Wh/kg as a starting point for further advancements in battery technology [17].

Group 1 - Volkswagen Group announced that starting next year, all electric vehicle models will gradually transition to an upgraded platform called MEB Plus, utilizing lower-cost lithium iron phosphate (LFP) batteries [1] - The first model to feature LFP batteries will be the Volkswagen ID.2, set to launch in 2026, marking a significant shift from the current nickel-cobalt-manganese (NMC) batteries [1] - CEO Thomas Schäfer emphasized that the transition to MEB Plus and the adoption of LFP battery systems will represent a major cost improvement and is crucial for performance, with models like ID.3, ID.4, and ID.7 also adopting LFP batteries [1] Group 2 - Volkswagen's new battery factory in Salzgitter, Germany, will produce LFP batteries while continuing small-scale production of the current generation NMC batteries until they are phased out [2] - The company has not yet confirmed the specific specifications of the new LFP batteries [2] Group 3 - Cangzhou Zhongfu New Energy Materials Co., Ltd. focuses on the research and production of gel polymer electrolyte membranes, with a registered capital of 264 million yuan and a total investment of 100 million yuan [3] - The company has developed the "Seraph" gel polymer electrolyte membrane, which utilizes a unique in-situ solidification technology for liquid electrolytes, enhancing energy density and thermal runaway resistance [3]

Core Viewpoint - The article highlights the significant presence and technological advancements of Ruien New Energy at the CIBF2025 exhibition, showcasing their innovative "Earless Large Cylindrical Cell 21&46 Series" and emphasizing their commitment to breaking battery performance limits through advanced technology and extensive patent applications [1][3]. Group 1: Exhibition Highlights - The CIBF2025 exhibition commenced on May 15, 2025, in Shenzhen, attracting attention from the global battery industry [1]. - Ruien New Energy's booth, designed with a "minimalist technology" aesthetic, became a focal point, drawing numerous industry representatives for discussions [1]. - The booth featured a dedicated area for the "Earless Large Cylindrical Cell 21&46 Series," which sparked significant interest and engagement among attendees [1]. Group 2: Technological Innovations - Ruien New Energy aims to "break the performance limits of batteries," supported by a skilled R&D team and nearly 200 patent applications covering material systems, structural design, and intelligent manufacturing [3]. - The showcased "Earless Large Cylindrical Cell 21&46 Series" exemplifies the company's strong capabilities in technology transformation [3]. Group 3: Engagement and Promotions - To enhance visitor engagement, Ruien New Energy launched an "Exhibition Exclusive Welfare Plan," offering rewards for social media interactions [6][7]. - The company announced a global product launch event for the 21700-6.0Ah battery on May 16, 2025, which is expected to set a new industry benchmark with an energy density of 300Wh/kg [9].

摘要 睿恩新能源RS50系列能量密度达270Wh/Kg以上（量产型号INR21700-RS50）。 传统锂电池的极耳设计长期受制于电子阻抗高、温升大等瓶颈。睿恩新能源RS50全球首家量产高容量无极耳电芯，通过重构电子传输路径，将内阻降 低超80%，温升减少30%，实现-40℃极寒环境稳定放电，-20°C超低温可充电，全生命周期能量密度提升80%。这一突破被现场专家誉为"圆柱电池的 量子跃迁"。 2. 能量密度跃升：270Wh/Kg量产背后的硬核科技 2025年3月25日，江苏睿恩新能源科技有限公司（以下简称" 睿恩新能源 "）携全新高功率高比能锂电池产品INR21700-RS50，亮相第三十八届国际五 金博览会，并成功举办 全球首家无极耳21700-5.0AH电池量产 发布会。 此次发布会不仅全面展示了睿恩新能源在锂电技术领域的突破性成果，更通过现场签约两大战略合作项目，彰显了企业深化布局新能源产业的雄心。 序幕：从常州质造到全球领跑 睿恩的崛起密码 01 睿恩新能源的故事始于2021年，彼时全球新能源产业正值技术迭代与产能爆发的关键节点。公司创始人敏锐捕捉到高能量密度、高倍率锂电池的市场 缺口，以"做难而正 ...