固态电池研发
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固态电池关键材料保持低温原因揭示 有助研发更安全、更高能电池
Ke Ji Ri Bao· 2025-10-30 01:58
LLZTO(氧化锂镧锆钽)是一种固态电池关键材料,在运行过程中会保持异常低温,被 认为是未来固态可充电电池的理想候选。据发表在美国物理学会《PRX 能源》期刊的最新 研究,美国加州大学河滨分校工程师团队发现了该材料保持低温的原因。这一突破性发现有 望推动更安全、更高能量密度的下一代锂电池研发。 在固体材料中,热量由声子(原子振动的量子化形式)携带。研究发现,LLZTO中存在 大量光学声子模式,这些不同步的振动会与主要传热的声学声子相互作用,使其散射,从而 阻碍热传导。 理解LLZTO如何天然阻碍热流,对于掌握固态电池内部温度变化、防范安全风险至关重 要。这一发现提供了在原子层面调控热量的新思路,有助于预测电池内部温度分布、改进热 管理,从而设计出更安全、更高性能的电池。 【责任编辑:杨梓安 】 在充放电过程中,电池会因内部化学反应产生热量。如果热量无法及时散发,会使性能 下降、寿命缩短,甚至导致电池起火或爆炸。 LLZTO是一种陶瓷材料,可用作固态电解质,提供更高能量密度,同时显著降低过热和 起火风险。然而科学家此前并不清楚,这种材料的热导率(传导热量的能力)为何异常之 低。 为探究LLZTO的特性,研究人员 ...
车企与动力电池企业合作 固态电池研发频现突破性进展
Shang Hai Zheng Quan Bao· 2025-10-29 17:56
Core Viewpoint - The solid-state battery sector in China is experiencing significant advancements, with various automotive and battery companies forming strategic partnerships to enhance research and development efforts [1][2][4]. Group 1: Company Collaborations - Funeng Technology is collaborating with Jiangling Motors on solid-state battery development, with their pilot production line under steady construction [2][3]. - Chery Automobile is working with Guoxuan High-Tech to develop the Rhino S solid-state battery, which is expected to complete vehicle installation validation by 2027 [2][3]. - The partnership between Chery and Guoxuan has been ongoing since 2012, focusing on the application of new energy products [3]. Group 2: Technological Advancements - The Rhino S solid-state battery features a high energy density of 600 Wh/kg, with a projected range of 1200 to 1300 kilometers [2]. - Funeng's new battery solution aims to enhance the safety, lightweight design, and cost-effectiveness of electric vehicles, contributing to longer ranges and more spacious interiors [2][3]. Group 3: Industry Trends - Major automotive companies are increasingly partnering with battery manufacturers to share the financial burden and technical expertise required for solid-state battery development [4][5]. - The trend indicates a shift towards collaborative models where automotive firms provide funding and platforms, while battery companies deliver core technologies [4][5]. Group 4: Market Position and Future Outlook - The solid-state battery market is expected to see significant production milestones, with companies like Qingtai Energy planning to achieve mass production by 2026 [4][5]. - Contemporary Amperex Technology Co., Ltd. (CATL) is taking a cautious approach to solid-state battery commercialization, anticipating small-scale production by 2027 and larger-scale production by 2030 [6].
固态电池关键材料保持低温原因揭示,有助研发更安全、更高能电池
Ke Ji Ri Bao· 2025-10-29 03:38
Core Insights - LLZTO (Lithium Lanthanum Zirconium Oxide) is identified as a key material for solid-state batteries, maintaining exceptionally low temperatures during operation, making it an ideal candidate for next-generation rechargeable batteries [1][2] - A recent study from the University of California, Riverside, published in the journal PRX Energy, reveals the reasons behind LLZTO's low thermal conductivity, which is crucial for developing safer and higher energy density lithium batteries [1] Group 1 - LLZTO is a ceramic material that serves as a solid electrolyte, providing higher energy density while significantly reducing the risks of overheating and fire [1] - The thermal conductivity of LLZTO is measured at only 1.59 W/m·K, approximately 1/250th that of copper, indicating that low thermal conductivity is an inherent property of the material [1] - The research utilized floating zone method to grow LLZTO single crystals, which reflect the intrinsic properties of the material [1] Group 2 - The study found that the presence of numerous optical phonon modes in LLZTO leads to interactions that scatter the primary heat-conducting acoustic phonons, thereby hindering thermal conduction [2] - LLZTO exhibits significant "anharmonicity," which relates to the degree of deviation of atomic vibrations from ideal states, associated with the movement of mobile ions within the material [2] - Understanding how LLZTO naturally impedes heat flow is essential for managing internal temperature variations in solid-state batteries, thereby enhancing safety and performance [2]
正力新能现跌超7% 拟折让8%配股筹资5亿港元 用于扩产及加码固态电池研发
Zhi Tong Cai Jing· 2025-10-17 01:54
Core Viewpoint - Zhengli New Energy (03677) experienced a decline of over 7%, currently trading at HKD 11.08, with a transaction volume of HKD 22.44 million [1] Group 1: Company Actions - Zhengli New Energy announced a placement of 45.92 million shares at a price of HKD 10.98 per share, representing a discount of approximately 7.89% from the previous closing price [1] - The net proceeds from the placement are estimated to be around HKD 500 million, with approximately 70% allocated for the construction, equipment purchase, and preparatory expenses related to the second phase of the new production facility in Changshu [1] - About 10% of the proceeds will be used for the construction of a solid-state battery pilot line, another 10% for research and development activities, and the remaining 10% for working capital and general corporate purposes [1] Group 2: Industry Context - Notably, Fuyao Glass (600660) Chairman Cao Dewang has resigned, with his son Cao Hui taking over the position [1] - Zhengli New Energy was established and is controlled by two former deputy general managers of Fuyao Glass, Cao Fang and Chen Jicheng, indicating a close relationship between the two companies [1] - Cao Fang is the sister of Fuyao Glass founder and chairman Cao Dewang, and Fuyao Glass is recognized as the largest automotive glass supplier globally, possessing a vast customer base among major manufacturers [1]
湘潭电化:子公司与固态电池企业合作研发锰酸锂应用已经取得一定进展 突破预计在2026年底或2027年初
Mei Ri Jing Ji Xin Wen· 2025-10-14 09:11
每经AI快讯,10月14日,湘潭电化在互动平台表示,目前公司控股子公司广西立劲新材料有限公司正 与部分固态电池企业就锰酸锂应用于半固态/固态电池领域开展合作研发,已经取得一定进展,突破预 计在2026年底或2027年初。公司在湖南湘潭和广西靖西分别拥有一个锰矿,同时公司一直在积极寻找其 他优质矿产资源。 ...
ST帕瓦起诉供应商索要3900万元预付款获受理 公司及前实控人之一已被证监会立案
Mei Ri Jing Ji Xin Wen· 2025-10-09 15:12
Core Viewpoint - ST Pava has filed a lawsuit against Zhejiang Gepai Cobalt Industry Co., Ltd. for a contract dispute, seeking the return of 39 million yuan and additional compensation due to non-delivery of goods [1][2]. Group 1: Legal Actions - ST Pava has initiated legal proceedings in the Zhuji People's Court, requesting the court to order Gepai Cobalt to return 39 million yuan along with interest and a penalty of 7.8899 million yuan due to breach of contract [1][2]. - The lawsuit stems from a procurement contract signed on November 25, 2024, where ST Pava paid a prepayment of 39 million yuan for cobalt sulfate, but Gepai Cobalt failed to deliver the goods within the agreed timeframe [2]. Group 2: Regulatory Issues - ST Pava and its former co-controller Zhang Bao are under investigation by the China Securities Regulatory Commission (CSRC) for alleged violations related to information disclosure, leading to inaccuracies in financial reports [1][4]. - Zhang Bao has been arrested for embezzlement, with the company acknowledging management issues that resulted in overpayment to suppliers totaling 180 million yuan [4]. Group 3: Management Changes - Following the legal and regulatory challenges, ST Pava has undergone significant management changes, appointing new executives including a general manager and a financial director [5]. - The company has engaged third-party auditing and consulting firms to review internal controls and address identified deficiencies [5]. Group 4: Business Operations - Despite the ongoing legal issues, ST Pava asserts that its normal production and operations will not be significantly affected [3][4]. - The company is focusing on optimizing production efficiency and enhancing research and development in solid-state battery technology, aiming to improve cash flow and market confidence [5].
多氟多:尚未开展含氟聚醚类产品的研发和生产
Mei Ri Jing Ji Xin Wen· 2025-09-30 11:53
Core Viewpoint - The company has engaged in substantial research collaborations with top domestic universities and research institutes in the field of solid-state batteries, focusing on various material routes such as polymers and sulfides. The company has not yet initiated research and production of fluorinated polyether products [2]. Group 1 - The company is actively involved in the solid-state battery sector through collaborations with leading academic and research institutions [2]. - The research efforts include multiple material routes, specifically polymers and sulfides [2]. - The company has not started the research and production of fluorinated polyether products [2].
中联重科:已量产系列化全自研动力电池产品,中联新能源已成立固态电池专项科研组
Di Yi Cai Jing· 2025-09-25 09:34
Core Viewpoint - The company has commenced mass production of a series of self-developed liquid battery products, indicating a significant advancement in its energy storage technology [1] Group 1: Product Development - The company has launched mass production of liquid batteries, including a range of high-power agricultural batteries from 6kWh to 18kWh, a 397kWh energy-type battery, a 134kWh high-strength mining truck battery, and heavy-duty truck batteries ranging from 140kWh to 800kWh [1] - The company has established a dedicated research team for solid-state battery development, consisting of PhD and Master's level researchers [1] Group 2: Research and Collaboration - The research team collaborates with university professors and utilizes resources from national key laboratories for testing [1] - The research on solid-state batteries is being conducted in phases, progressing from hybrid liquid-solid batteries to semi-solid batteries and finally to all-solid-state batteries [1]
德赛电池(000049.SZ):公司正在开展原位聚合电解质和氧化物电解质方面的固态电池研发
Ge Long Hui· 2025-09-24 04:45
Group 1 - The company is engaged in the research and development of solid-state batteries, focusing on in-situ polymer electrolytes and oxide electrolytes [1] - The related products are still in the development stage [1]
德赛电池:公司正在开展原位聚合电解质和氧化物电解质方面的固态电池研发,相关产品尚在研发过程中
Mei Ri Jing Ji Xin Wen· 2025-09-24 04:23
Group 1 - The company is actively recruiting professionals in solid electrolyte technology for its solid-state battery development [2] - The company is focusing on in-situ polymerized electrolytes and oxide electrolytes in its solid-state battery research [2] - The related products are still in the research and development phase [2]