GENEVA, June 19 -- PETROCHINA SHENZHEN NEW ENERGY RESEARCH INSTITUTE filed a patent application (CN2025/133223) for “METHOD AND DEVICE FOR MEASURING AND CALCULATING STATE OF CHARGE OF SODIUM ION BATTERY”. With publication no. WO/2026/103613, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: G01R 31/378
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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