Hyundai Motor Company

Kia Corporation

Seong Hyeon Choi

Sang Shin Lee

Sun Choi

So Young Kim

Yong Jun Jang

Sa Heum Kim

In Woo Song

Sang Heon Lee

Jae Min Lim

Ho Cheol Shin

Mun Seok Chae

A method of manufacturing a composite electrode for an all-solid-state battery includes: preparing a precursor solution by mixing at least one solid electrolyte precursor and at least one polar solvent; stirring the precursor solution; preparing an electrode slurry by adding an active material to the stirred precursor solution; and heat-treating the electrode slurry and obtaining the composite electrode for the all-solid-state battery, wherein the composite electrode for the all-solid-state battery includes: the active material; and a coating layer disposed on the active material and including a solid electrolyte.

Method of manufacturing composite electrode for all-solid-state battery, and composite electrode for all-solid-state battery manufactured thereby

A method of manufacturing a sulfide-based solid electrolyte, includes mixing a raw material with an organic solvent to manufacture a mixed solution; a heating step of heating and agitating the mixed solution; a cooling step of cooling and agitating the heated mixed solution; a re-heating step of heating and agitating the cooled mixed solution; and a heat treatment step, effectively synthesizing a sulfide-based solid electrolyte by heating and cooling a mixed solution containing a raw material in an organic solvent to a predetermined temperature.

Method of manufacturing sulfide-based solid electrolyte without generation of impurities, and sulfide-based solid electrolyte manufactured using same

Disclosed is a method of coating a solid electrolyte of a solid-state battery. The method includes putting an electrode active material and a sulfide-based solid electrolyte into a rotating mixer, operating the rotating mixer to rotate in a first direction while the rotating mixer revolves in a second direction, and coating a surface of the electrode active material with the sulfide-based solid electrolyte in the rotating mixer during the operation of the rotating mixer, to form a solid electrolyte layer on the surface of the electrode active material.

Method of coating solid electrolyte of solid-state battery and method of manufacturing electrode of solid-state battery using the same

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Hwaseong-Si, South Korea

Seong Hyeon Choi