Titles:
SULFUR-CARBON COMPOSITE PREPARATION METHOD THEREOF AND LITHIUM-SULFUR BATTERY COMPRISING THE SAME
황-탄소 복합체, 이의 제조방법 및 이를 포함하는 리튬-황 전지
Abstracts:
The present invention relates to a porous carbon material and a sulfur-carbon composite containing sulfur in at least a portion of the interior and surface of the porous carbon material, wherein the sulfur-carbon composite has a specific surface area of 10 m 2 /g or more, and the sulfur-carbon composite It relates to a sulfur-carbon composite having an electrical conductivity of 15 S/cm or more, a method for preparing the same, and a lithium-sulfur battery comprising the same. The sulfur-carbon composite according to the present invention has excellent electrochemical reactivity, stability, and electrical conductivity, and thus enables high capacity, high stability and long life of a lithium-sulfur battery including the same.
본 발명은 다공성 탄소재 및 상기 다공성 탄소재의 내부 및 표면 중 적어도 일부에 황을 포함하는 황-탄소 복합체로서, 상기 황-탄소 복합체의 비표면적이 10 ㎡/g 이상이고, 상기 황-탄소 복합체의 전기 전도도가 15 S/㎝ 이상인 황-탄소 복합체, 이의 제조방법 및 이를 포함하는 리튬-황 전지에 관한 것이다. 본 발명에 따른 황-탄소 복합체는 전기화학적 반응성, 안정성 및 전기 전도성이 우수하여 이를 포함하는 리튬-황 전지의 고용량화, 고안정화 및 장수명화를 가능하게 한다.
Titles:
LITHIUM-SULFUR BATTERY CATHODE ACTIVE MATERIAL INCLUDING THE MULTI-ARMED NANOPARTICLE AND LITHIUM-SULFUR BATTERY INCLUDING THE CATHODE ACTIVE MATERIAL AND MECHANICAL SYNTHESIS METHOD FOR MULTI-ARMED NANOPARTICLE
다지형 나노입자의 황 복합체를 포함하는 리튬-황 전지의 양극 활물질, 이를 포함하는 리튬-황 전지, 및 다지형 나노입자의 물리적 합성 방법
Abstracts:
The multi-geometric nanoparticle sulfur composite can increase the degree of integration between nanoparticles. Therefore, the sulfur composite of multi-branched nanoparticles can be effectively applied to the positive electrode of a lithium-sulfur battery.
다지형 나노입자 황 복합체는 나노입자간의 집적도를 높일 수 있다. 따라서, 다지형 나노입자의 황 복합체는 리튬-황 전지의 양극에 효과적으로 적용할 수 있다.
Titles:
Battery diaphragm and preparation method thereof, lithium-sulfur battery
一种电池隔膜及其制备方法、锂硫电池
Abstracts:
In order to overcome the problem of polysulfide shuttle effect in the separator of the existing lithium-sulfur battery, the present invention provides a battery separator comprising a separator base and a covering layer covering the separator base, the covering layer comprising a porous carbon material And a metal sulfide supported on the porous carbon material, the metal sulfide being dispersed in the pores of the porous carbon material. At the same time, the invention also discloses a preparation method of the battery separator and a lithium-sulfur battery. The battery diaphragm provided by the present invention can effectively block the shuttle of polysulfides and greatly improve the cycle performance of the lithium-sulfur battery.
