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以”电”之名,产学研用共谋石墨烯产业化应用新路径
Guan Cha Zhe Wang· 2025-11-22 02:34
Core Insights - The Advanced New Materials - Graphene New Material Power Application Development Forum was successfully held in Wenzhou, focusing on the application of graphene technology in the power and new energy sectors [1] - The forum aimed to enhance collaboration among industry, academia, and research institutions, sharing solutions and application results of graphene in the power sector [1] - Graphene technology is becoming a focal point in the industry due to its potential to meet the increasing demands for renewable energy integration and the construction of power grids in challenging environments [1] Group 1: Graphene Applications and Innovations - The collaboration between State Grid Smart Grid Research Institute and Zhejiang Chint Electric Co. has led to a significant improvement in the mechanical lifespan of high-voltage isolation switch contacts, increasing from 10,000 to 28,000 cycles, achieving a world-leading level [2] - The development of high-conductivity graphene-enhanced copper composite materials is crucial for reducing energy loss during transmission and usage, which is essential for achieving carbon neutrality goals [2] - Graphene technology has been applied in various products such as DC charging guns, switch contacts, and transformers, enhancing product performance and promoting energy conservation [2][3] Group 2: Industry Collaboration and Achievements - Chint has established a graphene research platform and achieved breakthroughs in composite materials, surface treatment, and polymer battery technologies, with core performance indicators reaching international leading levels [3] - The company has successfully developed high-conductivity graphene copper-based composite materials with conductivity reaching 108% IACS, comparable to silver [3] - A collaborative effort among multiple companies, including Shanghai Xinch Energy Technology Co. and Wenzhou Hongfeng Electric Alloy Co., has led to the successful development and mass application of new graphene composite products [3] Group 3: Forum Contributions and Perspectives - Experts presented various topics related to graphene applications, including its use in wind turbine blade de-icing and new energy systems [4][5] - The forum clarified the technological pathways and industrial logic related to graphene composite materials, promoting innovation and the efficient transformation of graphene technology into practical value [5]
格林美(002340.SZ):在福安园区已建成年产2万吨磷酸(锰)铁锂产线
Ge Long Hui· 2025-11-17 07:21
Core Viewpoint - Company has established an annual production line of 20,000 tons of lithium iron phosphate in the Fuan Park, indicating a significant expansion in production capacity and commitment to the lithium battery materials market [1] Group 1: Production and Development - Company has built a production line for lithium iron phosphate with an annual capacity of 20,000 tons in Fuan Park [1] - Company is collaborating with Shenzhen Benzheng Equation Graphene Technology Co., Ltd. to develop graphene-enhanced lithium iron phosphate materials, focusing on recycling and utilization of battery waste [1] Group 2: Technological Advancements - The joint development aims to enhance the conductivity and electrochemical performance of recycled lithium iron phosphate materials through graphene technology [1] - The goal is to improve the energy density and cycle life of batteries, facilitating the high-value reuse of recycled lithium iron phosphate materials [1]
石墨烯重塑低空经济
3 6 Ke· 2025-10-27 03:24
Core Insights - The emergence of graphene technology is revolutionizing the drone industry by addressing long-standing challenges related to battery life and material limitations [1][5][10] Group 1: Graphene Technology Breakthroughs - Graphene production has entered a "high-quality era," significantly reducing defect density and enabling lower-cost production of high-performance graphene [2][3] - The development of "monolayer aluminum oxide powder" has successfully addressed the traditional conflict between lightweight materials and high thermal conductivity [3] Group 2: Impact on Drone Batteries - Traditional batteries have an energy density of approximately 250 Wh/kg, which is significantly lower than that of aviation kerosene [5] - Graphene batteries can enhance energy density by over 50%, allowing for more energy storage and release within the same volume or weight [5][10] - Graphene batteries can operate effectively at temperatures as low as -40 degrees Celsius, making them suitable for high-altitude drone operations [5][10] Group 3: Structural Advancements - Graphene wings exhibit a 60% increase in impact resistance compared to carbon fiber wings, showcasing graphene's unique ability to enhance mechanical strength while reducing weight [6][7] - The integration of graphene in drone structures not only strengthens them but also provides new functional characteristics, such as lightning protection [7] Group 4: Thermal Management Solutions - Graphene's superior thermal properties are being utilized to address heat management issues in drone electronics, with a notable thermal interface material achieving a thermal conductivity of 6.44 W·m⁻¹·K⁻¹ [9] - Effective thermal management is crucial for maintaining stable performance and extending the lifespan of high-power drone systems [9] Group 5: Market Potential and Future Directions - The application of graphene in drones is expanding into previously inaccessible areas, such as cold-weather operations and emergency rescue missions [10] - The low-altitude economy is emerging as a significant growth area, with expectations for the market to exceed one trillion yuan by 2030, driven by advancements in high-performance power batteries [10][11] - Challenges remain in achieving the necessary energy density for commercial viability, with current graphene battery energy densities still below the required 400-500 Wh/kg threshold [11] - Future developments may focus on multifunctional integrated materials, intelligent drone structures, and environmentally sustainable production processes [11][12][13]