GENEVA, July 18 -- JIUJIANG DEFU TECHNOLOGY CO., LTD filed a patent application (CN2025/071639) for “COPPER FOIL, MANUFACTURING METHOD THEREFOR, LITHIUM-ION BATTERY COPPER FOIL, CURRENT COLLECTOR, ELECTRODE SHEET, BATTERY AND ELECTRICAL DEVICE”. With publication no. WO/2026/148562, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: H01M 4/66
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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