Core Insights - The research led by Professor Liu Zhongfan's team at Peking University has developed a method to coat aluminum oxide powder with high-quality, continuous graphene using fluidized bed chemical vapor deposition (FB-CVD) technology, significantly enhancing thermal interface materials (TIM) for next-generation electronic devices [1][2] Group 1: Research Highlights - The innovative "graphene skin" allows for precise control in growing a continuous layer of high crystallinity and high coverage graphene on the surface of aluminum oxide powder [1] - The construction of a "phonon highway" combines the excellent properties of graphene with the strong phonon coupling of aluminum oxide, creating an efficient thermal transfer network within the composite material [1] - The thermal conductivity of the TIM made from this material reaches 6.44 W/m·K, which is significantly superior to traditional aluminum oxide-based TIM [1] - The material demonstrates remarkable cooling effects, applicable to micro-LEDs, reducing hotspot temperatures by 17.7 degrees Celsius, thereby enhancing device performance and lifespan [1] - FB-CVD technology provides a stable and scalable preparation pathway for graphene-coated ceramic composite materials [1]