碳纳米管

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天奈科技20250706
2025-07-07 00:51
天奈科技 20250706 摘要 固态电池技术路线主要有硫化物、氧化物和聚合物三种,硫化物体系离 子导电率高但成本高且安全性存在隐患,氧化物和聚合物体系成本和机 械性能有优势,国内商业化固态电池多采用氧化物体系。 预计 2030 年全固态电池实现大规模商业应用,未来五年内,氧化物及 聚合物流程可能因安全性和成本因素更具潜力成为主流选择,硫化物体 系面临挑战。 天奈科技通过碳纳米管提高液态锂离子电池电子导通能力,并研发干法 工艺及复合集流体等新型产品,与头部企业合作验证,这些技术对固态 或半固态锂离子动力系统发展具有重要意义。 复合集流体通过在高分子膜中加入碳纳米管作为纤维增强剂,显著提升 强度和导电性,使电子传导能力达到纯金属集流体水平,为碳纳米管开 辟新市场。 干法工艺分散性不好,需要更多导电添加剂,包括单壁纳米管,高镍正 极材料本征电子导音差,也需要更多导电添加剂,预计 2026 年国内行 业对单壁纳米管需求将大幅增加。 天奈科技在固态电池技术方面有哪些进展和应用情况? 天奈科技在固态电池领域的研究主要集中在硫化物、氧化物和聚合物三种技术 路线。硫化物体系解决了固态电池的离子导电率问题,其工艺、机械性能和 ...
莱尔科技: 关于股东股权转让暨权益变动的提示性公告
Zheng Quan Zhi Xing· 2025-07-04 16:34
Core Viewpoint - Guangdong Lair Technology Co., Ltd. is undergoing a share transfer where its controlling shareholder, Guangdong Tenail Investment Co., Ltd., will transfer 7,759,000 shares (5.00% of total shares) to Guangdong Shiyun Circuit Technology Co., Ltd. at a price of 19.74 yuan per share, totaling 153,162,660 yuan. This transfer does not involve a change in control or significant impact on the company's governance structure [1][2][3]. Summary by Sections Agreement Transfer Overview - The share transfer involves Guangdong Tenail Investment Co., Ltd. selling 7,759,000 shares to Guangdong Shiyun Circuit Technology Co., Ltd. at a price of 19.74 yuan per share, amounting to 153,162,660 yuan [2][3]. - Before the transfer, Tenail held 80,000,000 shares (51.55% of total shares), and after the transfer, it will hold 72,241,000 shares (46.55%) [1][2]. - Shiyun Circuit will hold 7,759,000 shares (5.00%) post-transfer, having held none prior [1][2]. Background and Purpose of the Transfer - Shiyun Circuit is a listed company on the Shanghai Stock Exchange, focusing on printed circuit boards (PCBs) and has expanded into high-growth sectors such as new energy vehicles and AI [2][3]. - The transfer aims to establish Shiyun Circuit as a strategic investor and long-term partner for Lair Technology, facilitating collaboration in automotive electronics, new energy batteries, and emerging fields like AI and robotics [3][4]. Strategic Cooperation Framework - The partnership will focus on joint research and development, optimizing product offerings in areas like "film + FFC + PCB" solutions, enhancing customer engagement and product performance [3][14]. - Both companies will leverage their customer resources in automotive electronics and new energy sectors to expand market coverage and enhance competitiveness [6][14]. - The collaboration will also explore supply chain synergies, aiming to improve procurement efficiency and stability [7][15]. Future Collaboration and Market Expansion - The strategic relationship is expected to drive joint market development, particularly in high-growth areas such as AI servers and low-altitude flying vehicles [6][14]. - Both companies will work together to identify potential acquisition opportunities in high-growth sectors, enhancing their market positions and long-term value [8][15]. Compliance and Approval Process - The share transfer is subject to compliance confirmation by the Shanghai Stock Exchange and registration with the China Securities Depository and Clearing Corporation [2][3].
世运电路: 世运电路关于公司拟协议受让莱尔科技部分股份暨关联交易的公告
Zheng Quan Zhi Xing· 2025-07-04 16:34
证券代码:603920 证券简称:世运电路 公告编号:2025-054 广东世运电路科技股份有限公司 关于公司拟协议受让莱尔科技部分股份暨关联交易 的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏,并对其内容的真实性、准确性和完整性承担法律责任。 重要内容提示: ? 广东世运电路科技股份有限公司(以下简称"公司"或"世运电路") 拟协议受让广东特耐尔投资有限公司(以下简称"特耐尔")持有的广东莱尔新 材料科技股份有限公司(股票代码:688683,以下简称"莱尔科技")7,759,000 股股份,占莱尔科技总股本的 5.00%,转让价格为 19.74 元/股,转让总价为 ? 本次交易前,公司未持有莱尔科技股份;本次交易后,公司持有莱尔科 技股份数量为 7,759,000 股,占莱尔科技总股本的 5.00%。 ? 本次交易前,关联方佛山市顺德区德鑫创业投资有限公司(以下简称"德 鑫创投")持有莱尔科技 772,077 股,占莱尔科技总股本约 0.50%。根据《上海 证券交易所股票上市规则》等相关规定,本次交易构成公司与德鑫创投共同投资 莱尔科技,因此本次交易构成关联交易。本 ...
世运电路入股莱尔科技 双方将开展战略合作
Zheng Quan Shi Bao Wang· 2025-07-04 14:25
在业务达成合作之前,两家上市公司先在股权关系上进行绑定。7月4日,世运电路(603920)宣布,入 股莱尔科技(688683)并持有其5%股份。 具体来看,莱尔科技控股股东广东特耐尔投资有限公司拟通过协议转让的方式向世运电路转让其持有的 公司775.9万股股份,占公司总股本的5%。协议转让价格为19.74元/股,转让总价为1.53亿元。截至今日 收盘,莱尔科技收于25.19元/股,本次交易折价约两成。世运电路暂无在未来12个月内增持莱尔科技股 份的明确安排。 在世运电路看来,莱尔科技是一家专注于功能性胶膜及应用产品FFC、LED柔性线路板、新能源涂碳 箔、碳纳米管等新材料的高新技术企业,且所生产的产品可被广泛应用于3C、低空经济、新能源汽 车、储能、锂离子电池、固态电池、LED照明、半导体、家电等领域。 而在莱尔科技看来,世运电路主营产品为印制电路板PCB,深耕于汽车电子领域,已形成了新能源汽 车、低空飞行器/无人飞行器、人形机器人/人工智能+应用等重点发展板块。"公司的业务发展方向与世 运电路高度契合,展现出良好的协同发展趋势。"莱尔科技表示。 具体来看,双方的战略合作,涉及技术创新与联合研发、资源互通与协 ...
道氏技术实控人持股仅16%拟再减持:固态电池处于攻关关键期 研发投入隐忧浮现
Xin Lang Cai Jing· 2025-07-01 10:57
Core Viewpoint - The announcement of the share reduction by the controlling shareholder of Daoshi Technology coincides with the company's technological breakthroughs in solid-state battery materials, raising questions about the company's short-term outlook and investment in R&D [1][2][3]. Group 1: Shareholder Actions - The controlling shareholder, Rong Jihua, plans to reduce holdings by up to 15.42 million shares, representing 1.97% of the total share capital, citing "personal funding needs" [1]. - After the reduction, Rong Jihua's shareholding will decrease from 16.19% to approximately 14.2% [1]. Group 2: Technological Developments - Daoshi Technology has made significant progress in solid-state battery core materials, achieving a breakthrough in sulfide electrolyte conductivity of over 1 mS/cm and stable production at the 100-gram level [1]. - The company has established a comprehensive material solution covering the entire solid-state battery industry chain, including single-wall carbon nanotube conductive agents and silicon-based anodes [1]. Group 3: Financial Performance - In 2024, Daoshi Technology's revenue is projected to be 7.752 billion, a year-on-year increase of 6.25%, with a net profit of 157 million, marking a turnaround [2]. - However, R&D expenditure for 2024 is expected to be 239 million, down 16.7% year-on-year, with R&D spending as a percentage of revenue at only 3.1%, significantly below the industry average of 5%-8% [2]. Group 4: Market Context and Challenges - The global solid-state battery market is expected to reach a scale of 100 billion by 2030, with Daoshi Technology at a critical technological breakthrough point [3]. - The company aims to achieve stable supply of kilogram-level sulfide electrolytes by 2025, but current production levels are insufficient compared to industry needs [2][3]. - The company faces headwinds in its main businesses of lithium battery materials and ceramic materials, with a decline in output of ternary precursors and a drop in ceramic material sales due to a sluggish recovery in the real estate sector [2].
电动汽车的将告别“里程焦虑”!
Hu Xiu· 2025-06-30 06:01
电动汽车的"里程焦虑"很快就要成为过去式了! 目前,固态电池的发展已经进入一个关键阶段,装车节点已经逐渐清晰,比亚迪、国轩高科、一汽集团60Ah车规级电芯已下线,能量密度可 达350-400Wh/kg,充电倍率1C,循环寿命1000次,节奏时间早于预期半年左右(此前预期25年年底),预计26年进入车企全固态路试的密集 期。 一、固态电池是什么,有何特点? 固态电池是一种使用固态电解质完全替代传统锂离子电池中液态电解液和隔膜的新型电池技术,其核心在于通过固体材料传导锂离子,从而在 安全性、能量密度和环境适应性上实现突破。与传统锂电池相比,固态电池因电解质不可燃、无泄漏风险,从根本上解决了电池热失控引发的 起火爆炸问题,尤其适用于对安全性要求极高的电动汽车和储能领域。 在能量密度方面,同等体积的电池可提供更长的续航里程,充电一次行驶1000公里。固态电池还解决了冬季电动车续航缩水的痛点,工作温度 范围扩展至-40℃至150℃,极端低温下仍能稳定放电。 二、固态电池的目前发展阶段 依据电解液质量含量不同,电池可细分为液态(25wt%)、半固态(5-10wt%)、准固态(0-5wt%)和全固态(0wt%)四大类。由于 ...
天奈科技: 江苏天奈科技股份有限公司相关债券2025年跟踪评级报告
Zheng Quan Zhi Xing· 2025-06-27 16:25
江苏天奈科技股份有限公司相关 债券 2025 年跟踪评级报告 中鹏信评【2025】跟踪第【673】号 01 信用评级报告声明 除因本次评级事项本评级机构与评级对象构成委托关系外,本评级机构及评级从业人员与评级对象不存 在任何足以影响评级行为独立、客观、公正的关联关系。 本评级机构与评级从业人员已履行尽职调查义务,有充分理由保证所出具的评级报告遵循了真实、客 观、 公正原则,但不对评级对象及其相关方提供或已正式对外公布信息的合法性、真实性、准确性和完整性 作任何保证。 本评级机构依据内部信用评级标准和工作程序对评级结果作出独立判断,不受任何组织或个人的影响。 本评级报告观点仅为本评级机构对评级对象信用状况的个体意见,不作为购买、出售、持有任何证券的 建议。本评级机构不对任何机构或个人因使用本评级报告及评级结果而导致的任何损失负责。 本次评级结果自本评级报告所注明日期起生效,有效期为被评证券的存续期。同时,本评级机构已对受 评对象的跟踪评级事项做出了明确安排,并有权在被评证券存续期间变更信用评级。本评级机构提醒报 告使用者应及时登陆本公司网站关注被评证券信用评级的变化情况。 本评级报告版权归本评级机构所有,未经授 ...
天奈科技商标纠纷迎反转 “Cnano”被国家知识产权局裁定无效
Zheng Quan Shi Bao Wang· 2025-06-25 12:51
Core Viewpoint - TianNai Technology (688116) faces a significant setback as the National Intellectual Property Administration declared its "Cnano and logo" trademark invalid, reversing a previous court ruling in its favor [2][9]. Group 1: Trademark Dispute - The trademark dispute between TianNai Technology and Shandong Dazhan Nano Materials Co., Ltd. has been ongoing for several years, with a previous court ruling in 2023 favoring TianNai Technology [2][6]. - The National Intellectual Property Administration's recent ruling has prompted TianNai Technology to prepare for an appeal to the Beijing Intellectual Property Court [4][5]. - TianNai Technology claims that the trademark "Cnano" has established a strong association with its brand and has significant recognition in the industry [7][8]. Group 2: Market Position and Product Offerings - TianNai Technology specializes in the research, production, and application of carbon nanotubes and graphene, with products including carbon nanotube powder and conductive pastes [3]. - According to GGII statistics, TianNai Technology holds the leading market share in carbon nanotube conductive pastes, with shares of 40.3%, 46.7%, and 53.2% from 2022 to 2024, respectively [3]. Group 3: Company Strategy and Impact - The company has established a comprehensive intellectual property defense system and has registered alternative trademarks to mitigate potential impacts from the current dispute [5]. - TianNai Technology asserts that the trademark dispute will not significantly affect its core competitiveness or operational capabilities, regardless of the court's final decision [5].
天奈科技: 江苏天奈科技股份有限公司可转换公司债券受托管理事务报告(2024年度)
Zheng Quan Zhi Xing· 2025-06-24 17:48
债券简称:天奈转债 债券代码:118005 江苏天奈科技股份有限公司 可转换公司债券受托管理事务报告 (2024年度) 发行人 江苏天奈科技股份有限公司 (江苏省镇江市镇江新区青龙山路 113 号) 债券受托管理人 中信证券股份有限公司 (广东省深圳市福田区中心三路 8 号卓越时代广场(二期)北座) 重要声明 中信证券股份有限公司(以下简称"中信证券")编制本报告的内容及信息均 来源于发行人对外公布的《江苏天奈科技股份有限公司 2024 年年度报告》等相 关公开信息披露文件、江苏天奈科技股份有限公司(以下简称"天奈科技"、 "发 行人"或"公司")提供的证明文件以及第三方中介机构出具的专业意见。 本报告不构成对投资者进行或不进行某项行为的推荐意见,投资者应对相关 事宜做出独立判断,而不应将本报告中的任何内容据以作为中信证券所作的承诺 或声明。 目 录 重要声明 ········································································ 2 目 录 ··············································· ...
固态电池“最后一公里”的温差,集流体创新步调不一?
高工锂电· 2025-06-21 09:52
会议预告 第十八届高工锂电产业峰会 ——产业链格局重整 全场景应用共振 2025高工新能源新材料产业大会 —— 新材料·新动能·新生态 会议时间: 2025年7月8日-9日 会议地点: 中国 成都 邛崃 产业界对硫化物全固态电池的参与热情高涨,称其已进入商业化的 "最后一公里"。 然而,现实似乎更为复杂。一项即将成熟的电池技术,其上下游关键材料理应出现更明确的突破与 工程化信号,但为何在新一代集流体领域,我们看到的却是路径分化、充满不确定性的景象? 理论与现实之间的 "温差",或许揭示了集流体这一看似传统的领域,正在上演一场深刻的技术变 革。 主办单位: 高工锂电、高工储能、高工产业研究院(GGII) 总冠名: 英联复合集流体 也正是在这种背景下,集流体的创新关键词,才从传统的 "轻薄、高强、延展",全面转向了更为 复杂的" 3D/ 多孔、耐高温、耐腐蚀、去金属化"。 应对腐蚀与膨胀, 传统金属箔迎升级 硫化物固态电解质对铜的化学侵蚀,以及硅基、锂金属负极在充放电过程中的剧烈体积膨胀,构成 了 全 固态电池 技术突破的众多瓶颈之二 。 在现有成熟工艺基础上进行表面改性,成为业界响应最快的解决方案。 近期,诺德 ...