【DT新材料】 获悉， 10月11日，中国国际电池工业展上，欣旺达技术专家蔡挺威博士介绍到，2021年9月， 欣旺达 正式立项推进研发半固态电池； 2024年3月完成核心技术定型后累计产量突破800万颗。 在关键技术攻关方面，欣旺达通过系统研究固态电解质材料的组成与微观形貌对其性能的构效关系，并深入探索固-液两相间的协同作用机理，确定了半 固态电池的关键性能优化路径以及界面调控的设计方案。 在此基础上，通过优化浆料制备工艺，解决超细粉体的团聚与均匀分散难题，实现了半固态电 池的高效、高品质制备。截至目前，消费类半固态电池相关技术已申请专利70余项。 其半固态技术更是通过材料、结构、工艺 等 多维度协同创新，系统性地破解了传统电池的 典型 痛点，形成了四大核心优势： 无惧低温 ： 依托固液协同机制，在 -30℃ 极端环境下仍能保持 70%以上的容量与稳定放电性能，攻克传统锂电池低温性能短板 。 安全随行 ： 内部构筑高强度防护网络，极大提升耐滥用极限，直面挤压、冲击等严苛考验， 让每一次 用电体验 都有 "安全兜底" 。 更宽温域 ： 突破传统锂电池 "怕冷怕热"局限，实现 - 30℃~60℃宽温域稳定工作，完 ...

Core Viewpoint - The article highlights the rapid advancements and developments in the solid-state battery sector by various listed companies, indicating a strong push towards commercialization and increased energy density in battery technology [2][3][4][5]. Group 1: Company Developments - Penghui Energy has improved the energy density of its solid-state batteries from 280Wh/kg to 320Wh/kg and is on track to complete its pilot production line by September 2025, targeting applications in electric vehicles and consumer electronics [2]. - Guoxuan High-Tech has achieved a 90% yield rate for its solid-state battery pilot line and is designing a 2GWh production line, with energy density reaching 350Wh/kg and a range of 1000 kilometers on a single charge [2]. - Del Technology has established a sample production line in Shanghai and aims to develop a third-generation solid-state battery with an energy density exceeding 400Wh/kg [3]. - Enjie Co. is focusing on high-purity lithium sulfide and solid electrolyte materials, with pilot lines established but no significant revenue generated yet [4]. - Taihe Technology is in the pilot stage for several solid-state battery projects, including lithium sulfide and solid electrolytes [4]. - Daoshih Technology has formed a strategic partnership with Zhuhai Guanyu to collaborate on lithium-ion and solid-state battery materials, enhancing production capabilities [4]. Group 2: Industry Trends and Market Outlook - The solid-state battery industry is expected to see significant advancements, with pilot lines launching in 2025-2026 and small-scale production by 2027, followed by broader applications in high-value sectors by 2030 [5]. - The market for solid-state batteries is projected to grow from approximately 7GWh in 2024 to over 65GWh by 2030, driven by the conclusion of key projects and increasing demand [5]. - The shift towards sulfide-based solid electrolytes is noted as a major trend in material development for solid-state batteries, moving away from earlier diverse approaches [5].

Group 1 - The company, Penghui Energy, is currently developing consumer-grade semi-solid state batteries, which have passed puncture testing and are preparing to send samples to major clients [1] - The core advantage of this new product compared to traditional consumer-grade liquid batteries is its high safety [1]

Core Insights - Guan Yu Group has made significant progress in the field of new energy by establishing a fully inert gas-protected all-solid-state lithium battery experimental line, enhancing its independent R&D capabilities in this area [1] - The company has successfully applied oxide solid electrolyte materials in consumer battery products, improving safety performance and low-temperature discharge capabilities [1] - In the power battery sector, Guan Yu Group's "quasi-solid-state power lithium battery" project has passed expert review, achieving breakthroughs in several core industrial technologies [4] Group 1: Technological Advancements - The all-solid-state battery experimental line provides essential infrastructure for material validation, process optimization, and sample testing [1] - The energy density of the consumer semi-solid-state battery products developed by Guan Yu Group has reached 850-900 Wh/L, with successful client validation [1] - The company has developed high-capacity (≥270 mAh/g) lithium-rich manganese-based single crystal cathode materials, achieving kilogram-level production [4][5] Group 2: Production Capacity and Market Position - Guan Yu Group has established production lines for 2,000 tons of high-performance lithium-rich manganese precursors and 2,000 tons of lithium-rich manganese cathode materials annually, with the first generation of materials already on the market [5] - The company is a major supplier of consumer polymer soft-pack lithium-ion batteries, serving well-known clients in various sectors including laptops, smartphones, and drones [5] - Guan Yu Group has become a qualified supplier for multiple automotive manufacturers and is expanding into high-end electric motorcycles, automotive starter batteries, and energy storage sectors [5] Group 3: Research and Development - The company has a strong team of professionals across various disciplines, contributing to its technological advancements and earning multiple national and provincial honors [5] - Guan Yu Group is actively engaged in the R&D of key materials for solid-state batteries, including high-nickel ternary, high-voltage cobalt acid lithium, and sulfide solid electrolytes [4]