METHOD FOR PRODUCING LITHIUM DIFLUOROPHOSPHATE, METHOD FOR PRODUCING DIFLUOROPHOSPHATE ESTER, LITHIUM DIFLUOROPHOSPHATE, METHOD FOR PRODUCING NONAQUEOUS ELECTROLYTIC SOLUTION, AND METHOD FOR PRODUCING NONAQUEOUS SECONDARY BATTERY

METHOD FOR PRODUCING LITHIUM DIFLUOROPHOSPHATE, METHOD FOR PRODUCING DIFLUOROPHOSPHATE ESTER, LITHIUM DIFLUOROPHOSPHATE, METHOD FOR PRODUCING NONAQUEOUS ELECTROLYTIC SOLUTION, AND METHOD FOR PRODUCING NONAQUEOUS SECONDARY BATTERY

There is provided a method for producing lithium difluorophosphate in which difluorophosphate ester reacts with a lithium salt compound in a nonaqueous organic solvent without using water as a raw material, a method for producing a difluoro phosphate ester including a step of allowing a dihalophosph...

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Hauptverfasser: IWASAKI, Susumu, SHINMEN, Masutaka, MIURA, Masahiro, MORINAKA, Takayoshi, FUJIMOTO, Masataka, MIMURA, Shunsuke, KUBO, Katsuya, TAKAHASHI, Mikihiro, NAKAHARA, Keita
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS THEREOF
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
ORGANIC CHEMISTRY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:There is provided a method for producing lithium difluorophosphate in which difluorophosphate ester reacts with a lithium salt compound in a nonaqueous organic solvent without using water as a raw material, a method for producing a difluoro phosphate ester including a step of allowing a dihalophosphate ester to react with a fluorinating agent having a concentration of contained hydrogen fluoride of 15 mol % or less in a nonaqueous organic solvent; lithium difluorophosphate in which a value of a relational expression (d90-d10)/MV represented by d90 which is a particle size at which a volume cumulative distribution is 90%, d10 which is a particle size at which a volume cumulative distribution is 10%, and MV which is a volume average particle size is 10 or less; and methods for producing a nonaqueous electrolytic solution and a nonaqueous secondary battery using the production method described above.