12月515日，据欣旺达动力消息，欣旺达动力科技股份有限公司（以下简称"欣旺达动力"）与深圳理工 大学正式签署合作协议，联合欣旺达电子与惠州锂威共同成立"欣旺达－深圳理工大学校企联合实验 室"。联合实验室的首期研发聚焦于锂电池电芯关键材料与先进体系开发。合作内容覆盖高安全电解液 技术、高能量密度负极体系、以及聚合物固态电解质等方向。 ...

Core Viewpoint - Solid-state batteries exhibit superior performance and have a wide range of applications, with accelerated industrialization processes both domestically and internationally [5]. Group 1: Advantages of Solid-State Batteries - Solid-state batteries have higher energy density and better safety compared to liquid batteries, with energy density expected to reach over 500 Wh/kg [15][11]. - They can operate under extreme conditions without the risk of combustion or explosion due to the use of non-volatile solid electrolytes [15]. - The design of battery cells, modules, and systems is simplified due to the non-flowing nature of solid electrolytes, optimizing the PACK design [15]. Group 2: Solid Electrolyte Technologies - Solid electrolytes are the core component of solid-state batteries, with various technology routes including polymers, oxides, sulfides, and halides, with sulfides being the most widely accepted due to their high ionic conductivity [16][14]. - Each type of solid electrolyte has its advantages and disadvantages, with sulfides offering excellent processing advantages and flexibility [16]. Group 3: Production Challenges - The mass production of solid-state batteries faces challenges such as the interface contact between solid electrolytes and electrodes, as well as the engineering issues related to cost reduction [19][22]. - Key challenges include ensuring the stability of the solid-solid interface and the large-scale preparation of sulfide solid electrolytes, which significantly impact the commercial viability of solid-state batteries [22][19]. Group 4: Domestic and International Industry Landscape - Major domestic battery manufacturers have clarified their technology routes, focusing on sulfide electrolytes and aiming for small-scale production by 2027, with energy density targets around 400 Wh/kg [26][23]. - Internationally, companies in the US and Japan are advancing rapidly, with many planning to achieve large-scale production of solid-state batteries by 2030 [27][25]. - Policies in China are accelerating the development of solid-state batteries, with significant support from government agencies aimed at achieving commercial applications by 2026 [29][31].

Core Viewpoint - The article discusses the evolution and future prospects of solid-state batteries, highlighting their advantages over traditional lithium-ion batteries, particularly in terms of energy density, safety, and longevity. It outlines the current state of research, development, and commercialization of solid-state and semi-solid batteries in the automotive and consumer electronics sectors. Group 1: Solid-State Battery Development - Solid-state batteries are seen as a revolutionary technology that can potentially replace existing lithium-ion batteries due to their higher energy density and improved safety features [11][12][13] - The development of solid-state batteries has progressed through various stages, with significant advancements in materials and manufacturing processes expected by 2035 [14][15] - The energy density of solid-state batteries is projected to exceed 500 Wh/kg by 2030, making them suitable for future electric vehicles and other applications [11][12][32] Group 2: Market Trends and Industry Players - Major companies like CATL, BYD, and others are leading the charge in solid-state battery technology, with plans for mass production and commercialization by 2025-2030 [21][22][31] - The semi-solid battery market is expected to grow significantly, with several manufacturers already testing and preparing for commercial applications [29][30] - The automotive industry is increasingly adopting semi-solid batteries, with companies like NIO and others planning to integrate these technologies into their upcoming vehicle models [21][22][30] Group 3: Technical Challenges and Innovations - Key challenges in solid-state battery development include manufacturing costs, complex processes, and the need for a mature supply chain [31][32] - Innovations in materials, such as the use of sulfide and polymer electrolytes, are critical for enhancing the performance and safety of solid-state batteries [19][20][35] - The transition from liquid to solid-state electrolytes is expected to mitigate risks associated with dendrite formation and improve overall battery stability [11][12][19] Group 4: Applications and Future Outlook - Solid-state batteries are anticipated to play a crucial role in various applications, including electric vehicles, consumer electronics, and aerospace [28][30] - The demand for high-performance batteries in emerging sectors like eVTOL (electric vertical takeoff and landing) is driving research and development in solid-state technologies [28][30] - The global market for solid-state batteries is projected to expand rapidly, with significant investments from both private and public sectors aimed at achieving commercial viability [31][32][33]

4月25日晚间，八亿时空（688181）公告，公司 决定终止"年产3000吨六氟磷酸锂项目"建设，截至目前该项目已投入资金约495.01万元。 资料显示，八亿时空是一家专业从事显示材料、半导体材料、医药材料的研发、生产和销售的高新技术企业，其中主营业务为液晶显示材料的 研发、生产和销售。显示材料根据终端产品显示特性的不同分为液晶材料、聚合物分散液晶（ PDLC）智能薄膜、有机电致发光材料 （OLED）；半导体材料包括光刻胶树脂材料、聚酰亚胺（PSPI）材料；医药材料包括高级医药中间体和原料药。 2022年，乘着六氟磷酸锂产业发展的东风，八亿时空拟跨界入局。 2022年6月，八亿时空发布公告，称拟通过全资子公司浙江八亿时空在杭州湾上虞经济技术开发区建设年产3000吨六氟磷酸锂项目，预计总 投资约2.8亿元。 公告显示，该项目位于杭州湾上虞经济技术开发区，以年产 3000 吨六氟磷酸锂项目为主，同时配套生产相应的电解质基础材料氟化锂 600t/a，建设周期为一年半。 八亿时空表示，最近两年，锂电新能源行业经营环境发生了较大变化，随着锂电市场供需结构的转变，电解液火热的市场行情急转直下，市场 价格呈断崖下跌局面，进 ...