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Patent Landscape in China 2025 China consolidates its position as the global center of battery patenting in 2025, with strong emphasis on Li-ion and Na-ion batteries.

Patenting activity in 2025 is booming for China, driven by major battery leaders and a fast-growing cohort of domestic entrants focusing their patent applications in China.

Patent applications mainly focus on Li-ion, Na-ion and redox-flow batteries.

Li-ion activity is broad, with LFP and NMC prevailing in cathodes, lithium-metal and silicon in anodes and high numbers of applications for solid-state batteries. 2025 PATENT APPLICATIONS IN CHINA SPLIT BY MAIN BATTERY TECHNOLOGIES

2025 PATENT APPLICATIONS IN CHINA SPLIT BY MAIN Li-ION BATTERY TECHNOLOGIES

Source: Patent search was done in December 2025 by KnowMade, using keywords and IPC/CPCs H01M, H02J007) in Orbit Questel) which provides 100+ million patent documents from 100 patent offices USA, Japan, Europe, China, Korea, Taiwan, Hong Kong, Singapore, etc.).

Extracted from the PDF; charts and images may read imperfectly.