The EPO published patent EP4068320A2 for composite particles designed for electrochemical element electrodes, specifically applicable to lithium-ion capacitors and lithium-ion secondary batteries. The patent (IPC classifications H01G and H01M) covers material compositions and electrode structures developed by Zeon Corporation inventor MATSUMURA, Taku. Designated states include all EPO contracting 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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