全气候电池
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科学家提出全气候电池设计框架
中国能源报· 2025-11-09 10:44
Core Viewpoint - An innovative all-climate battery design framework proposed by scientists at Pennsylvania State University aims to enhance the efficiency and stability of lithium-ion batteries across a wide temperature range, addressing their limitations in extreme conditions [1][3]. Group 1: Battery Design and Functionality - The new design incorporates optimized materials and an internal heating system, allowing lithium-ion batteries to perform well in various climates [3]. - The operational temperature range of current lithium-ion batteries is between -30°C and 45°C, which poses challenges for stability as electric vehicles and large systems become more prevalent [3]. - The proposed all-climate battery integrates heating elements within the battery, enabling safe and stable operation in high-temperature environments and self-heating mechanisms to cope with cold conditions [3]. Group 2: Technical Innovations - The internal heating structure of the new battery design uses nickel foil with a thickness of approximately 10 micrometers, powered entirely by the battery itself, which allows for self-regulation of temperature without significantly increasing weight or volume [3]. - This design expands the reliable operating temperature range of the battery to -50°C to 75°C, making it suitable for scenarios where traditional lithium-ion batteries struggle [3]. - By incorporating thermal management functions internally, the new design significantly reduces the space required for the battery system and eliminates reliance on external temperature control devices, simplifying the overall system structure [3].
科学家提出全气候电池设计框架
Ke Ji Ri Bao· 2025-11-09 01:11
Core Insights - The research from Penn State University introduces an innovative all-climate battery design framework aimed at enhancing the performance of lithium-ion batteries across a wider temperature range, addressing their limitations in extreme conditions [1][2] Group 1: Temperature Range and Performance - Current lithium-ion batteries operate effectively between -30°C and 45°C, but face challenges in high-temperature environments and performance degradation in low temperatures [1] - The new design expands the operational temperature range to -50°C to 75°C, making it suitable for applications where traditional lithium-ion batteries struggle [2] Group 2: Design and Efficiency - The proposed battery integrates heating elements within the battery itself, allowing it to operate safely in high temperatures and generate heat to combat cold environments [1] - This internal heating structure, made from nickel foil approximately 10 micrometers thick, is powered by the battery itself, which minimizes additional weight and volume while enhancing temperature regulation capabilities [1][2] Group 3: System Simplification - By incorporating thermal management functions within the battery, the design significantly reduces the need for external temperature control devices, simplifying the overall system structure and saving space [2]
12天11板大牛股 尾盘跳水跌停!但这些板块已率先反包
Mei Ri Jing Ji Xin Wen· 2025-09-19 07:44
Market Overview - The market experienced a downward trend on September 19, with all three major indices closing lower: Shanghai Composite Index down 0.30%, Shenzhen Component Index down 0.04%, and ChiNext Index down 0.16% [2] - Over 3,400 stocks in the market closed lower, with trading volume significantly shrinking to 2.32 trillion yuan, a decrease of 811.3 billion yuan compared to the previous trading day [2] Technical Analysis - The Shanghai Composite Index showed a larger decline, with its daily K-line falling below the 20-day moving average and approaching the 30-day moving average, indicating a challenging technical outlook [3] - Both Shenzhen and ChiNext indices maintained an upward trend above the 5-day moving average despite closing with doji candlesticks [5] Market Sentiment - Following the pattern of "big drop followed by recovery," several sectors initiated a rebound, with the Shenzhen and ChiNext indices showing positive performance for longer periods during the day [7] - However, the overall market recovery was weak, with a significant reduction in trading volume, indicating a decline in short-term sentiment [7] Sector Performance - The top-performing sectors included energy metals, tourism, and photolithography, with energy metals rising by 3.23% and tourism and hotels increasing by 2.08% [14][17] - The energy metals sector is particularly noteworthy due to the upcoming 2025 Suining International Lithium Battery Industry Conference, which aims to enhance lithium battery technology innovation [16][17] Investment Opportunities - The tourism sector is expected to benefit from the upcoming "super golden week" during the National Day holiday, with a reported 45% year-on-year increase in cross-province travel orders [17] - The photolithography sector is gaining traction due to recent developments in domestic chip manufacturing, particularly following announcements from Huawei regarding its Ascend chip roadmap [20] Company Developments - Shanghai Construction Group faced a rapid decline, hitting the limit down after a five-day winning streak, reflecting broader market trends [7] - The engineering machinery sector is showing signs of recovery, driven by various factors including military, civil explosives, and automotive components, with notable stocks like Shanhe Intelligent returning to the spotlight [22]
工信部:加快电池前瞻技术的研发和产业化 加大对不合格企业的处置力度
Jing Ji Guan Cha Bao· 2025-09-19 04:33
Core Viewpoint - The Ministry of Industry and Information Technology emphasizes the acceleration of research and industrialization of advanced battery technologies, while also increasing the enforcement against non-compliant enterprises [1] Group 1: Technological Innovation - The focus will be on enhancing lithium battery technology innovation and accelerating the development of solid-state batteries, sodium-ion batteries, all-climate batteries, fast-charging batteries, and key materials [1] - There is a push to break through active safety warning technologies based on thermal runaway models and to develop high-performance flame-retardant battery materials and efficient green extinguishing materials [1] Group 2: International Cooperation - The ministry supports expanding international cooperation and guiding high-quality overseas expansion of the lithium battery industry [1] - There will be efforts to strengthen alignment with relevant countries on resources, strategies, policies, and standards, as well as guidance for the global layout of lithium battery enterprises [1] Group 3: Safety and Quality Standards - The initiative aims to reinforce safety standards for lithium batteries, enhancing production, usage, and disposal safety levels [1] - A technical system for safety grading evaluation of lithium battery products will be established based on mandatory national standards, along with a recommended catalog for energy storage battery products [1] - Continuous quality supervision and inspection of lithium batteries will be conducted, with increased actions against non-compliant enterprises to improve product performance and quality [1]
固态电池板块走强,赣锋锂业股价创两年来新高
Xin Lang Cai Jing· 2025-09-19 04:02
Group 1 - The solid-state battery sector is experiencing upward fluctuations, with Ganfeng Lithium's stock reaching a two-year high of 52.82 yuan and a market capitalization of 108.7 billion yuan as of September 19 [1] - At the 2025 Suining International Lithium Battery Industry Conference, the Ministry of Industry and Information Technology emphasized the need to strengthen lithium battery technology innovation and accelerate the development of solid-state batteries, sodium-ion batteries, and other key materials [3] - Ganfeng Lithium reported a half-year revenue of 8.376 billion yuan, a year-on-year decrease of 12.65%, and a net loss of 531 million yuan, compared to a loss of 760 million yuan in the same period last year [4] Group 2 - The lithium salt industry is undergoing a deep adjustment due to changes in supply and demand dynamics, leading to a decline in sales prices for lithium products and lithium batteries [4] - Industry analysts believe that the demand for new energy vehicles and energy storage will continue to grow, and the market is beginning to see signs of price stabilization and recovery [4][5] - The acceleration of new technologies like solid-state batteries is expected to reshape the competitive landscape of the industry, benefiting companies with technological advantages [5]
机构:锂电池整体需求迎来旺季
Zheng Quan Shi Bao Wang· 2025-09-19 03:09
Core Insights - The 2025 Suining International Lithium Battery Industry Conference highlighted the importance of technological innovation in lithium batteries, focusing on solid-state batteries, sodium-ion batteries, and fast-charging batteries, along with the development of key materials and safety technologies [1] - The lithium battery industry chain has seen significant net profit growth for two consecutive quarters, indicating a performance turning point, driven by increased demand in the traditional peak season for new energy vehicles and sustained high growth in the energy storage sector [1] - The industry is experiencing a price bottoming and production expansion slowdown, leading to improved profitability prospects, especially for companies with technological and cost advantages [2] Industry Trends - The Ministry of Industry and Information Technology plans to enhance lithium battery technology innovation and accelerate the research and industrialization of advanced technologies [1] - The demand for lithium batteries is expected to rise due to the traditional peak season and ongoing high growth in energy storage, benefiting companies with superior production capacity and technology [1] - New technologies like solid-state batteries are anticipated to reshape the competitive landscape of the industry, with companies that have early advantages in these technologies likely to see a rebound [2] Market Outlook - The lithium battery sector is expected to continue its recovery as companies implement cost-reduction and efficiency-enhancing measures, alongside the arrival of the traditional peak season [2] - The ongoing "anti-involution" trend is likely to accelerate the elimination of outdated production capacity, benefiting high-quality production with technological advantages [1] - Companies involved in the development of solid-state electrolytes and advanced materials are recommended for attention due to their potential for improved fundamentals [1]
固态电池概念再度走强 赣锋锂业涨停
Jing Ji Guan Cha Wang· 2025-09-19 02:33
Core Viewpoint - The solid-state battery concept is gaining momentum in the market, with several companies experiencing significant stock price increases following the announcement of the 2025 Suining International Lithium Battery Industry Conference and the Ministry of Industry and Information Technology's commitment to advancing battery technology innovation [1] Group 1: Market Reaction - Ganfeng Lithium (002460) reached its daily limit increase, indicating strong investor interest [1] - Other companies such as Huaya Intelligent (003043), Xiamen Tungsten (厦钨新能), Tengyuan Cobalt (301219), Tianqi Lithium (002466), Zhongyi Technology (301150), and Putailai (603659) also saw their stock prices rise [1] Group 2: Government Initiatives - The Ministry of Industry and Information Technology announced plans to enhance lithium battery technology innovation and accelerate the development of advanced technologies [1] - Focus areas include solid-state batteries, sodium-ion batteries, all-climate batteries, fast-charging batteries, and key material research and industrialization [1]