← EPO Patent Bulletin

METHOD FOR RECOVERING VALUABLE MATERIALS FROM LITHIUM ION SECONDARY BATTERIES

Publication EP4611116A1 Kind: A1 Mar 18, 2026

Applicants

Dowa Eco-System Co., Ltd.

Inventors

LIU, Changzhi, WATANABE, Ryoei, TAHATA, Shota, NISHIKAWA, Chihiro, YOSHIDA, Shohei

IPC Classifications

C22B 1/00 20060101AFI20260210BHEP B03C 1/02 20060101ALI20260210BHEP B03C 1/30 20060101ALI20260210BHEP B09B 3/30 20220101ALI20260210BHEP B09B 3/35 20220101ALI20260210BHEP B09B 3/40 20220101ALI20260210BHEP C22B 1/02 20060101ALI20260210BHEP C22B 3/22 20060101ALI20260210BHEP C22B 7/00 20060101ALI20260210BHEP C22B 15/00 20060101ALI20260210BHEP C22B 23/02 20060101ALI20260210BHEP H01M 10/0525 20100101ALI20260210BHEP H01M 10/54 20060101ALI20260210BHEP

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, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR