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METHOD FOR PRODUCING LITHIUM IRON PHOSPHATE PRECURSOR BY USING RETIRED LITHIUM IRON PHOSPHATE BATTERY AS RAW MATERIAL
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数据来源：EPO OPS
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76129875专利族
§ Ⅰ
卷宗概要
申请号
CN20198063341
发明人
LIN YONGSHOU; WANG GUOBAO; WANG KE; LIU JIANG; YAO BIN
申请日
Nov 28, 2019
公开日
Jun 3, 2022
专利族 ID
76129875
IPC 分类
C01B25/37C01D15/08H01M10/54H01M4/58
CPC 分类
C01B25/375C01B25/45C01D15/08C25C1/12H01M10/0525H01M10/54H01M4/5825C01P2004/80C01P2006/80Y02W30/84
A method for producing a lithium iron phosphate precursor by using a retired lithium iron phosphate battery as a raw material, comprising the following steps: immersing a battery cell in an acid solution; performing electrolyzation to recover copper; oxidizing ferrous ions; precipitating iron phosphate; precipitating lithium carbonate; and after precipitation is completed, performing one-step recovery to obtain the lithium iron phosphate precursor.
EPO 研究资料
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