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Title:
METHOD FOR PREPARING IRON PHOSPHATE DIHYDRATE BY DECOMPLEXING IRON PHOSPHATE COMPLEX
Document Type and Number:
WIPO Patent Application WO/2023/193749
Kind Code:
A1
Abstract:
Disclosed is a method for preparing iron phosphate dihydrate by decomplexing an iron phosphate complex. The method comprises: in an iron phosphate complex solution, adding water of 0.3-30 folds, preferably 0.3-8 folds the volume of the complex solution; reacting for 1 min to 20 h, preferably 10 min to 6 h; and separating the solid and liquid phases to give solid iron phosphate dihydrate. The method provided by the present invention can be used for simple, efficient, and environment-friendly preparation of iron phosphate of high purity as a positive electrode material for lithium batteries.

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JP3502526VANADIUM-PHOSPHORUS-BASED OXIDE, ITS PRODUCTION, CATALYST FOR VAPOR-PHASE OXIDATION COMPRISING THE SAME AND PARTIAL VAPOR-PHASE OXIDATION FOR HYDROCARBONS
Inventors:
MA XIAOLING (CN)
Application Number:
PCT/CN2023/086517
Publication Date:
October 12, 2023
Filing Date:
April 06, 2023
Export Citation:
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Assignee:
HUANGGANG LITHIUM LIN NEW ENERGY TECH CO LTD (CN)
International Classes:
C01B25/37
Foreign References:
CN106829906A2017-06-13
CN113845100A2021-12-28
CN113428848A2021-09-24
CN114132910A2022-03-04
JP2014088282A2014-05-15
Attorney, Agent or Firm:
BEIJING YUNJIN IP LAW FIRM (CN)
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