Group 1 - A breakthrough method has been developed by the Korea Institute of Basic Science to produce millimeter-sized graphite films with grain sizes approximately 10,000 times larger than traditional artificial graphite. The mechanical testing results show that the Young's modulus of the graphite film reaches 969 GPa, and the tensile strength is 1.29 GPa, approaching the theoretical limits of single-crystal graphite. The in-plane thermal conductivity is as high as 2034 W/m·K, exceeding that of copper, and the electrical conductivity is 22500 S/cm, setting a new performance record for macroscopic artificial graphite [2]. - A multifunctional robot developed by a team from Northwestern Polytechnical University can operate in extreme cold environments down to -50°C. This robot, based on a new type of electroactive polymer, is capable of autonomous heating, inspection, and ice melting, making it advantageous for applications such as aircraft engine blade inspection and operations in cold regions [2]. - The first domestically produced commercial electron beam lithography machine, named "Xizhi," has entered application testing in Hangzhou. This machine boasts precision comparable to mainstream international equipment and signifies a significant advancement in quantum chip research and development in China [2]. - Samsung Electronics plans to invest 25 billion yen (approximately 170 million USD) to establish an advanced chip packaging research center in Yokohama, Japan. The center is expected to open by March 2027 and aims to strengthen collaboration with Japanese semiconductor material and equipment manufacturers as well as the University of Tokyo [2].

Group 1 - A breakthrough method developed by the Korea Institute of Basic Science allows the production of millimeter-sized, mirror-smooth graphite films, with grain sizes approximately 10,000 times larger than traditional artificial graphite [1] - The mechanical testing results show that the Young's modulus of the graphite film reaches 969 gigapascals, with a tensile strength of 1.29 gigapascals, approaching the theoretical limit of single-crystal graphite [1] - The planar thermal conductivity of the new graphite film is as high as 2034 watts per meter per Kelvin, exceeding that of copper, and the electrical conductivity reaches 22500 siemens per centimeter, setting a new performance record for macroscopic artificial graphite [1] Group 2 - In the A-share market, there are fewer than 10 stocks involved in the graphite business, with only three stocks having a rolling price-to-earnings ratio below 30 times as of August 13 [1] - Among the disclosed performance data of related concept stocks, both Dao's Technology and Zhongke Electric reported net profit growth, with Zhongke Electric expected to achieve a net profit of 232 million to 301 million yuan in the first half of 2025, representing a year-on-year growth of 235% to 335% [1] - Dao's Technology reported a net profit of 230 million yuan in the first half of the year, marking a year-on-year increase of 108.16% [1]

Core Insights - A breakthrough method developed by the Korea Institute of Basic Science enables the production of millimeter-sized, mirror-smooth graphite films, with grain sizes approximately 10,000 times larger than traditional artificial graphite, approaching the theoretical limits of single-crystal graphite [1][2] - The mechanical testing results show that the Young's modulus of the graphite film reaches 969 gigapascals, tensile strength is 1.29 gigapascals, planar thermal conductivity is as high as 2034 watts per meter per Kelvin, exceeding that of copper, and electrical conductivity is 22,500 siemens per centimeter, setting new performance records for macroscopic artificial graphite [1] Industry Applications - The high-quality graphite produced is expected to advance applications in thermal management, electronic devices, and advanced batteries, addressing the limitations of traditional high-temperature processing methods that yield smaller grain sizes and lower density [1] - The new process allows for ultra-fast growth at a rate of 6.2 layers per second, over 20 times faster than traditional methods, making it suitable for large-scale production [2] - The ability to pre-etch patterns on metal foil surfaces enables the customization of graphite films into complex shapes, providing new possibilities for tailored device manufacturing and practical applications [2] Material Properties - The innovative "porous substrate" strategy significantly reduces the interaction between graphite and metal surfaces, effectively eliminating interface stress during cooling, which prevents the formation of wrinkles or twists in the film [1] - This new graphite film can be precisely controlled in terms of shape, thickness, and purity, marking a significant leap in material design and performance compared to rare natural graphite crystals [2]