Porous silica-sulfur composite and lithium-sulfur battery comprising the same

• Main Authors: LEE BYONG JUNE, YU JONG SUNG
• Format: Patent
• Language: English; Korean
• Published: 30.01.2020
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOUNDS THEREOF; ELECTRICITY; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The present invention relates to a porous silica-sulfur composite and a lithium-sulfur battery comprising the same. More specifically, the present invention relates to a composite in which sulfur is supported in pores of porous silica, a positive electrode for a lithium-sulfur battery comprising the composite and a lithium-sulfur battery comprising the positive electrode. The porous silica-sulfur composite has high pore volume. 본 발명은 다공성 실리카-황 복합체 및 이를 포함하는 리튬-황 전지에 관한 것으로, 보다 상세하게 다공성 실리카의 기공 내에 황이 담지된 복합체, 상기 복합체를 포함하는 리튬-황 전지용 양극 및 상기 양극을 포함하는 리튬-황 전지에 관한 것이다.