Negative Electrode Material for Battery Technology
Summary
The European Patent Office published patent application EP4060768A1 for Ningde Amperex Technology Limited, covering negative electrode materials for electrochemical devices and electronics. The patent (filed by inventors JIANG Daoyi, CHEN Zhihuan, CUI Hang, and XIE Yuansen) relates to silicon-based anode materials classified under H01M 4/36, H01M 4/48, and related IPC codes. Designated states include all EPO member countries.
What changed
The EPO published patent application EP4060768A1 for a negative electrode material and electrochemical device invented by Ningde Amperex Technology Limited. The invention covers silicon-based anode materials (H01M 4/36, H01M 4/48, C09C 1/30, C01B 33/113, H01M 4/38) for lithium-ion batteries with improved capacity and cycling performance. The patent is valid in 31 European designated states including Germany, France, UK, Italy, and Spain.
This patent publication does not impose compliance obligations on battery manufacturers or technology companies. However, companies developing silicon-anode battery technology should review the patent claims to assess potential freedom-to-operate implications. This represents competitive intelligence for firms in the EV battery, consumer electronics, and energy storage sectors.
Source document (simplified)
NEGATIVE ELECTRODE MATERIAL, AND ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE COMPRISING SAME
Publication EP4060768A1 Kind: A1 Mar 25, 2026
Applicants
Ningde Amperex Technology Limited
Inventors
JIANG, Daoyi, CHEN, Zhihuan, CUI, Hang, XIE, Yuansen
IPC Classifications
H01M 4/36 20060101AFI20221017BHEP H01M 4/48 20100101ALI20221017BHEP C09C 1/30 20060101ALI20221017BHEP C01B 33/113 20060101ALI20221017BHEP H01M 4/38 20060101ALI20221017BHEP H01M 4/62 20060101ALI20221017BHEP H01M 10/0525 20100101ALI20221017BHEP H01M 4/02 20060101ALI20221017BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
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