固态电池：硫化物路线锁定2027小批量量产 在多条固态电池技术路线中，比亚迪将硫化物体系定为核心突破方向。该路线离子电导率接近传统液态电解液，电极界面兼容性优 异，综合性能最接近量产门槛。 近日，比亚迪通过投资者关系平台，首次系统披露固态电池与钠离子电池最新技术进展。这家全球新能源龙头企业以双技术路线并 行的策略，为后锂电时代提前布局核心竞争力。其中，市场高度关注的硫化物固态电池已明确量产节点：2027年实现小批量生产。这一 时间表落地，意味着固态电池从实验室走向工程化应用正式进入倒计时。与此同时，钠离子电池已完成第三代技术平台开发。通过聚阴 离子体系材料创新，比亚迪成功攻克析钠、高温稳定性等行业共性难题，产品循环寿命突破10000次，技术层面已具备量产条件，量产节 奏将视市场需求启动。 行业普遍认为，硫化物固态电池仍面临空气稳定性不足、制造成本偏高等挑战。比亚迪此次公开时间表，既体现出技术自信，也预 示着下一代动力电池的卡位战已进入冲刺阶段。 钠电池：技术就绪，静待市场窗口 与固态电池的倒计时推进不同，钠离子电池呈现技术先行、量产待命的状态。比亚迪第三代钠电池采用高稳定聚阴离子体系，通过 材料与电化学体系创 ...

Core Viewpoint - Huayang Co., Ltd. (600348) has developed sodium-ion battery technology based on research from the Institute of Physics, Chinese Academy of Sciences, and is at the forefront of industry standards with dual technology routes of layered oxides and poly-anions [1] Company Summary - The company is committed to advancing the sodium battery industry in collaboration with peers [1]

Group 1 - The core viewpoint of the article highlights the positive impact of the 2026 vehicle trade-in policy, which has driven new car sales to 53.77 billion yuan as of February 5, significantly promoting the development of the automotive market and resource recycling [1] - The high-end pure electric vehicle market shows substantial growth potential, with consumer awareness of "pure electric" steadily increasing since 2025, leading to a rapid rise in pure electric penetration rates [1] - New technologies, such as sodium-ion batteries, are accelerating in implementation, with Changan Automobile and CATL planning to launch multiple sodium battery models in 2026, featuring pure electric models with a range exceeding 400 kilometers [1] Group 2 - The New Energy Vehicle ETF (159806) tracks the CS New Energy Vehicle Index (399976), which focuses on the entire supply chain of the new energy vehicle industry, including upstream materials, midstream components, and downstream complete vehicles and related services [1] - The index selects representative listed company securities as constituent stocks, emphasizing the manufacturing and technology service sectors related to new energy vehicles to reflect the overall performance and development trends of related listed companies [1]

中国在该领域的发展处于领先地位。宁德时代已于2025年推出其钠离子电池产品线Naxtra并宣布开始大 规模生产；比亚迪也正在建设大型钠离子电池生产基地。在应用端，钠离子电池已开始落地：2024年， 江铃集团为其EV3车型提供钠离子电池选项；中科海钠的电池用于低速电动汽车；雅迪在2025年推出了 四款钠离子两轮车。此外，深圳等多个中国城市已试点钠离子电池换电站。 尽管当前能量密度仍低于高端锂离子电池，但其性能持续提升，已能满足小型车辆需求。业界认为，钠 离子电池最重要的影响可能在于电网储能领域。其低成本、高安全性和长寿命的特点，使其成为储存太 阳能和风能的有力选择。美国初创公司Peak Energy已开始部署电网规模的钠离子储能系统。 全球煤炭消费进入平台期 2030年前或小幅下降 近日，《麻省理工科技评论》发布了2026年度"十大突破性技术"榜单。其中，钠离子电池与下一代核能 技术作为能源领域的核心突破入选，展现了全球向更安全、更经济、更可持续的能源体系转型的关键方 向。这两项技术均被认为在未来3至5年内有望实现规模化成熟应用。 氢离子电池 钠离子电池凭借其原料丰富、成本低廉及安全性更佳的特性，正成为锂离子电 ...

Core Viewpoint - Changan Automobile and CATL jointly launched the global sodium battery strategy and unveiled the world's first mass-produced passenger vehicle equipped with CATL's sodium battery technology at a conference held in Inner Mongolia [1]. Group 1: Product Launch and Features - The first mass-produced sodium battery vehicle has completed rigorous winter validation tests in Yakeshi, achieving over 400 kilometers of pure electric range with precise battery display [5]. - The sodium battery exhibits exceptional low-temperature performance, with discharge power nearly tripling compared to lithium iron phosphate battery models at -30°C, and maintaining over 90% capacity at -40°C, even functioning at -50°C [5]. - The energy density of the sodium battery cell has reached the industry's highest level of 175Wh/kg [5]. Group 2: Safety and Testing - The sodium battery demonstrated extreme safety features, remaining smoke-free, flame-free, and non-explosive after undergoing severe abuse tests, including crushing and drilling [5]. - Even after being sawed through, the battery pack continued to discharge normally, significantly exceeding national safety standards [5]. Group 3: Future Plans and Investments - CATL plans to build over 3,000 "chocolate" battery swap stations across more than 140 cities by 2026, prioritizing northern regions with severe winter conditions [6]. - The company has invested nearly 10 billion yuan in sodium-ion battery research since 2016, conducting tests on nearly 300,000 battery cells with over 300 R&D personnel involved [6]. - Future advancements in sodium battery technology are expected to enhance pure electric range capabilities to 500-600 kilometers, covering over 50% of the market's range demands [6].

专利摘要显示，本发明提供了一种硬碳负极材料的制备方法及其硬碳负极材料、钠离子电池。该硬碳负 极材料的制备方法包括步骤：以煤化工废料作为碳前驱体，经粉碎后和硫酸进行反应得中间体，硫酸的 浓度为30~80wt.%；将中间体和催化剂混合后进行碳化处理，再以3~20℃/min的降温速率冷却至室温得 碳化物，催化剂包含Fe、Co、Ni、Mn、Cu、Zn、Mo、W、Cr、V、Ti、Zr、Sn、Sb、Bi、Ce中的至少 一种；将碳化物进行酸洗、水洗、干燥后得到硬碳负极材料。本发明以煤化工废料为原料，通过特定的 催化剂和降温速率，制备得到的硬碳负极材料具有较高的首次库伦效率、可逆比容量和循环稳定性。 国家知识产权局信息显示，广东凯金新能源科技股份有限公司申请一项名为"硬碳负极材料的制备方法 及其硬碳负极材料、钠离子电池"的专利，公开号CN121449046A，申请日期为2025年12月。 天眼查资料显示，广东凯金新能源科技股份有限公司，成立于2012年，位于东莞市，是一家以从事非金 属矿物制品业为主的企业。企业注册资本36906.9246万人民币。通过天眼查大数据分析，广东凯金新能 源科技股份有限公司共对外投资了14家企业， ...

Core Viewpoint - The launch of the world's first sodium-ion battery passenger vehicle by Changan Automobile, utilizing CATL's sodium-ion battery technology, marks a significant advancement in the electric vehicle industry, particularly in extreme weather performance and sustainability [1][4]. Group 1: Product Launch and Technology - Changan Automobile held a global launch event for its sodium-ion battery strategy, unveiling the world's first mass-produced sodium-ion passenger vehicle [1]. - The sodium-ion battery can operate stably at extreme low temperatures, maintaining discharge capabilities even at -50°C [1]. - The vehicle demonstrated a nearly threefold increase in discharge power compared to conventional lithium iron phosphate models at -30°C, with over 90% capacity retention at -40°C [1]. Group 2: Market Implications and Future Prospects - The sodium-ion battery technology is expected to create a new ecosystem for China's electric vehicle industry, providing enhanced resilience and broader operational temperature ranges [1]. - Analysts note that while lithium-ion batteries currently benefit from better economies of scale, sodium-ion batteries offer improved stability in cold weather and higher safety due to lower flammability [4]. - The global shipment of sodium batteries is projected to reach 9 GWh by 2025, representing a 150% year-on-year growth, indicating a rapid acceleration in commercialization [5]. Group 3: Material Availability and Cost Dynamics - Sodium-ion batteries utilize sodium carbonate, which is more readily available than lithium carbonate, a key material for lithium-ion batteries [4]. - The price of lithium carbonate has experienced significant fluctuations, with prices nearing 600,000 yuan per ton at the end of 2022 and expected to drop below 100,000 yuan by 2025 [4].

Core Viewpoint - The company has successfully developed and delivered the world's first sodium-ion vehicle, indicating a significant advancement in its technology focus and product offerings [1] Group 1: Company Developments - The company has confirmed that it has been producing sodium-ion batteries over the past two years, which are now being used in vehicles such as those from Jiangling [1] - The company is committed to further advancing the industrialization of its second-generation sodium-ion batteries [1]

Core Viewpoint - The article discusses the advancements and market outlook for sodium-ion batteries, highlighting their performance metrics and safety features, as well as their integration into electric vehicles by Changan Automobile and CATL [2][3][5]. Group 1: Sodium-Ion Battery Performance - CATL's sodium-ion batteries will be installed in Changan passenger vehicles for winter testing, marking a significant step in their commercial application [2]. - Sodium-ion batteries have achieved a pure electric range exceeding 400 kilometers, with potential upgrades to 500-600 kilometers as the industry matures [3][4]. - The energy density of the cells can reach up to 175 watt-hours per kilogram, which is currently the highest in the industry [4]. Group 2: Performance in Extreme Conditions - Sodium-ion batteries demonstrate superior performance in extreme cold, with discharge power nearly three times that of conventional lithium iron phosphate batteries at -30 degrees Celsius [5]. - At -40 degrees Celsius, the energy retention rate can exceed 90%, eliminating the need for battery heating, and stable discharge is achievable even at -50 degrees Celsius [5]. Group 3: Safety Features - Sodium-ion batteries have passed rigorous safety tests, including puncture and crushing tests, without catching fire or exploding, even when fully charged [5].

Core Viewpoint - The company emphasizes technological innovation and forward-looking strategies as core drivers of its development, focusing on both consumer batteries and energy storage systems while exploring next-generation battery technologies [1] Group 1: Strategic Focus - The company is committed to consolidating its main business in consumer batteries and energy storage systems while actively monitoring and investing in next-generation battery technologies [1] - The company has invested in Beijing Sirizhe New Energy Technology Co., Ltd. to deepen its exploration and industrialization of sodium-ion battery technology [1] Group 2: Technological Development - Sirizhe serves as a crucial platform within the company's ecosystem, focusing on the research and industrial application of sodium-ion battery technology, aligning closely with the company's overall technological roadmap [1] - The company adheres to a dual approach guided by market demand and technological maturity, employing a cautious and pragmatic principle to advance research and evaluation of diverse technological routes, including sodium batteries [1] Group 3: Future Outlook - The aim is to establish a solid technological foundation for the extension of future product matrices and the expansion of energy solutions [1]