METHOD FOR PRODUCING LITHIUM DIFLUOROPHOSPHATE

Title:

METHOD FOR PRODUCING LITHIUM DIFLUOROPHOSPHATE

Document Type and Number:

WIPO Patent Application WO/2023/243930

Kind Code:

A1

Abstract:

A method for producing lithium difluorophosphate according to an exemplary embodiment of the present invention may comprise the steps of: (S1) reacting a fluorine source and a phosphoryl halide represented by chemical formula 1 below in a first organic solvent; and (S2) reacting the reaction product in step S1, a lithium source, and an oxygen source in a second organic solvent. The fluorine source, the lithium source, and the oxygen source each may have a moisture content of less than 1,000 ppm relative to the weight thereof.

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JP2987397	[Title of the Invention] A method for producing lithium hexafluorophosphate.
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WO/2001/084655	LITHIUM METAL FLUOROPHOSPHATE MATERIALS AND PREPARATION THEREOF

Inventors:

JEON JONG WON (KR)
MIN DA YOUNG (KR)
KIM GANG SAN (KR)

Application Number:

PCT/KR2023/007832

Publication Date:

December 21, 2023

Filing Date:

June 08, 2023

Export Citation:

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Assignee:

ECOPROHN CO LTD (KR)

International Classes:

C01B25/455; C01B25/10; C01D15/00; H01M10/0567

Foreign References:

CN108033435A	2018-05-15
KR20220044275A	2022-04-07
JP2000211907A	2000-08-02
KR101739936B1	2017-06-08
KR102521086B1	2023-04-12

Attorney, Agent or Firm:

LEECHAE INTELLECTUAL PROPERTY (KR)

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