Core Viewpoint - Aerogels, known as "frozen smoke," are the lowest thermal conductivity solid materials currently known, with a thermal conductivity coefficient of 0.015-0.019 W/(m·K), which is only half that of air [2] Group 1: Production Process - The synthesis process of aerogels involves three core steps: preparing wet gel through the sol-gel method, solvent exchange with low surface tension liquids, and drying techniques (supercritical or atmospheric drying) to maintain the skeleton structure while removing liquids [4] Group 2: Applications - Aerogels are primarily used as fireproof and thermal insulation materials between battery cells and in battery module covers, effectively reducing fire incidents caused by battery issues and preventing thermal runaway in power batteries [6] - Beyond power battery thermal management, aerogels are widely applied in building energy conservation, oil and chemical industries, and aerospace, with temperature resistance ranging from -196℃ to 650℃ [6] Group 3: Regulatory Environment - In April 2025, multiple government departments in China issued guidelines that included aerogels in the building insulation materials product catalog, setting a production scale threshold for composite insulation products at no less than 10,000 cubic meters per year [6] - The GB 38031-2025 standard for electric vehicle battery safety requirements indirectly increases the demand for ultra-low thermal conductivity materials, positioning aerogels as a key driver in the power battery sector [7] Group 4: Industry Players - Numerous global companies, including Aspen Aerogels, Cabot Corporation, BASF, and Armacell, are involved in the aerogel market, with over 30 domestic companies also participating [8] - Zhejiang Yangu Technology Co., Ltd. has invested 800 million yuan in a silica aerogel project with an annual production capacity of 4 million square meters, establishing itself as a leading enterprise in the industry [12] - Shenzhen Zhongning Technology Co., Ltd. is recognized as a national-level specialized and innovative enterprise, leading the industrialization of aerogels in China [15] - Huayang New Materials Technology Group, the largest producer of smokeless coal in China, is also a major player in the aerogel market, with plans to expand its production capacity significantly [23] Group 5: Market Potential - The new national standards have increased the requirements for battery safety, leading to a market potential exceeding 100 billion yuan for high-end thermal insulation materials [7] - Companies like Jiangxi Hongbai New Materials Co., Ltd. and others are developing advanced aerogel products for various applications, including lithium battery safety protection and industrial energy conservation [19][24]
气凝胶,新世纪的十大新材料之一,全球哪些企业在布局
DT新材料·2026-02-28 04:07