GENEVA, Sept. 28 -- BEIJING CHEHEJIA AUTOMOBILE TECHNOLOGY CO., LTD. (Room 107, building 1, yard 4, Hengxing Road, Gaoliying Town, (scientific and technological innovation functional area)Shunyi District, Beijing 101300), 北京车和家汽车科技有限公司 (中国北京市顺义区高丽营镇恒兴路4号院1幢107室（科技创新功能区）) filed a patent application (PCT/CN2025/083241) for "SILICON-BASED COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR, NEGATIVE ELECTRODE SHEET AND LITHIUM ION BATTERY" on Mar 18, 2025. With p...