GENEVA, Feb. 3 -- HUANENG CLEAN ENERGY RESEARCH INSTITUTE (Lab Block A, Huaneng Base, Beiqijia Future Science ParkChangping District, Beijing 102209), 中国华能集团清洁能源技术研究院有限公司 (中国北京市昌平区北七家未来科技城华能人才创新创业基地实验楼A楼) filed a patent application (PCT/CN2024/104805) for "SODIUM ION BATTERY POSITIVE ELECTRODE INTERFACE FILM AND PREPARATION METHOD THEREFOR, AND SODIUM ION BATTERY" on Jul 10, 2024. With publication no. WO...