METHOD FOR PRODUCING SOLID ELECTROLYTE, AND ELECTROLYTE PRECURSOR

• Main Authors: SHIBATA, Masayuki, YAMADA, Hiroaki, NAKAYA, Nobuhito, ISEKI, Yusuke, SENGA, Minoru
• Format: Patent
• Language: English; French; German
• Published: 10.08.2022
• Subjects: BASIC ELECTRIC ELEMENTS; CABLES; CHEMISTRY; COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM; CONDUCTORS; ELECTRICITY; INORGANIC CHEMISTRY; INSULATORS; METALLURGY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES

The present invention relates to a production method of a solid electrolyte in which adopting a liquid-phase method, a solid electrolyte having a high ionic conductivity, in which the generation of hydrogen sulfide is suppressed, the method including mixing a raw material inclusion containing a lithium element, a sulfur element, a phosphorus element, and a halogen element with a complexing agent containing a compound having at least two tertiary amino groups in the molecule; and an electrolyte precursor constituted of a lithium element, a sulfur element, a phosphorus element, a halogen element, and a complexing agent containing a compound having at least two tertiary amino groups in the molecule.