GENEVA, Dec. 15 -- HUBEI WANRUN NEW ENERGY TECHNOLOGY CO., LTD. (557 Tianma AvenueYunyang Economic Development ZoneShiyan, Hubei 442500), 湖北万润新能源科技股份有限公司 (中国湖北省十堰市郧阳经济开发区天马大道557号) filed a patent application (PCT/CN2024/101420) for "SODIUM ION BATTERY POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, SECONDARY BATTERY, AND ELECTRICAL DEVICE" on Jun 25, 2024. With publication no. WO/2025/251363, the details related to the patent application was published on Dec 11, ...