Sunrise Granted Patent for Silicon-Carbon Composite Anode Material, Securing Key Technology for Solid-State Batteries

Core Insights - Sunrise New Energy Co., Ltd. has been granted a patent for a new preparation method of a fast-ion-conductor-coated silicon-carbon anode composite material, which enhances ionic transport and compressive strength for solid-state battery applications [1][4]. Company Overview - Sunrise New Energy is headquartered in Zibo, Shandong Province, China, and focuses on manufacturing and selling graphite anode materials for lithium-ion batteries [5]. - The company operates a joint venture with a manufacturing facility in Guizhou Province, capable of producing 50,000 tons of anode material, utilizing renewable energy sources for cost-effective and environmentally friendly production [5]. Industry Context - Silicon-carbon anode materials are recognized for their potential to improve the energy density of lithium-ion batteries, making them suitable for large-scale solid-state battery applications due to their safety and longevity advantages [2]. - Current silicon-carbon composites face challenges such as poor ionic conductivity and structural limitations under high-pressure conditions, which the new patent aims to address [3][4].