Samsung Sdi Co., Inc.

Sejong University

Keesun Sohn

Jinhee Lee

Jungmin Han

Minsang Song

Jeongdoo Yi

Sangil Han

Younggyoon Ryu

Kyulin Lee

Yunchae Jung

Dongrak Sohn

Sunggeun Shim

Minjin Song

A sulfide solid electrolyte for an all-solid secondary battery includes lithium, phosphorus, sulfur, oxygen, and halogen atoms, wherein the sulfide solid electrolyte has an argyrodite-type crystal structure, the halogen atoms includes chlorine and at least two of bromine, iodine, and fluorine, an atomic ratio of sulfur to oxygen in the sulfide solid electrolyte is about 4 or higher, and an atomic ratio of chlorine to the at least two of bromine, iodine, and fluorine is about 9 or higher.

Sulfide solid electrolyte for all-solid secondary battery, method of preparing the same, and all-solid secondary battery including the same

Growing community of inventors

Seoul, South Korea

Keesun Sohn