Method for preparing cathode mixture for all-solid-state battery, and cathode mixture for all-solid-state battery prepared by using same

Abstract

The invention of the present application relates to a method for preparing a cathode mixture for an all-solid-state battery, and a cathode mixture for an all-solid-state battery, prepared by using same and, particularly, to a method for preparing a cathode mixture for an all-solid-state battery, and a cathode mixture for an all-solid-state battery, prepared by using same, the method comprising the steps of, in preparing a cathode mixture for an all-solid-state battery, mixing a cathode active material and a solid electrolyte in a dry state, thereafter additionally mixing with a solid electrolyte in a wet state, and then adding and mixing with a conductive material in a wet state.

Description

technical field [0001] This patent application claims the benefit of priority from Korean Patent Application No. 2019-0112262 filed on September 10, 2019, the entire disclosure of which is hereby incorporated herein by reference. [0002] The invention relates to a method for manufacturing a positive electrode mixture of an all-solid-state battery and the positive-electrode mixture of an all-solid-state battery manufactured by the method. More specifically, the present invention relates to a method comprising mixing a positive electrode active material and a solid electrolyte with each other in a dry state, mixing the mixture with an additional solid electrolyte in a wet state, and in the manufacture of a positive electrode mixture for an all-solid-state battery The manufacturing method of the positive electrode mixture of the mixed all-solid-state battery and the positive-electrode mixture of the all-solid-state battery manufactured using the method by adding a conductive age...

AI Technical Summary

Problems solved by technology

However, an economical solution capable of improving battery performance has not yet been proposed

Images