Sou Hu Cai Jing·2026-01-06 13:31Group 1 - The core point of the article is that China Petroleum & Chemical Corporation (Sinopec) has obtained a patent for "lithium-ion batteries and C-Si materials and their preparation methods and applications," with the authorization announcement number CN119965231B, and the application date is November 2023 [1] Group 2 - China Petroleum & Chemical Corporation was established in 2000 and is based in Beijing, primarily engaged in oil and gas extraction [1] - The registered capital of China Petroleum & Chemical Corporation is approximately 121.74 billion RMB [1] - The company has invested in 267 enterprises and participated in 5,000 bidding projects, with 45 trademark records and 5,000 patent records [1] - Sinopec (Shanghai) Petrochemical Research Institute Co., Ltd. was established in 2022 and is located in Shanghai, focusing on research and experimental development [1] - The registered capital of Sinopec (Shanghai) Petrochemical Research Institute Co., Ltd. is approximately 4.98 billion RMB [1] - The institute has invested in 2 enterprises and participated in 2,583 bidding projects, with 849 patent records and 133 administrative licenses [1]