The cathodes with various binders such as carboxymethyl cellulose (CMC), polyvinyl alcohol (PVA), polytetrafluoroethylene (PTFE), and polyethylene oxide (PEO), in different combinations including sole component in the case of PEO, were prepared. These cathodes were examined by morphology measurement, electrochemical characteristics, and discharge performance to inspect the effect of binder on Li-S battery. The morphology of cathode varies with various binder combination and the performance of battery is greatly affected by the morphology. The specific surface area (SSA) of cathode composite material increases and the interface resistance reduces with increasing content of PTFE introduced into the cathode. The battery with cathode including F`TFE (15 wt%) showed the distinguished power enhancement, compared with those composed of other binder combinations. The cathode with predominant results was able to increase SSA and sulfur utilization by 16m^(2)/g and more than 70%, respectively.

바인더로 carboxymethyl cellulose (CMC), polyvinyl alcohol (PVA), 그리고 polytetrafluoroethylene (PTFE)을 혼합한 형태와 polyethylene oxide (PEO) 만을 사용한 양극을 제조하였다. 제조된 양극에 대해 morphology와 전기화학적 특성 및 전지성능을 조사하여 바인더의 영향을 고찰하였다. 혼합된 바인더에 따라 양극내의 세공분포 양상은 변하고 이는 전지의 성능에 영향을 미쳤다. 양극에서 PTFE 함량이 높을수록 비표면적은 증가하였고 계면 저항은 감소하여 전지의 출력성능을 향상시키는 효과가 있었다. PTFE (15 wt%)를 혼합한 양극에서 가장 우수한 방전 특성을 보였고 이 때 비표면적과 설퍼 이용률은 각각 16 m²/g과 70% 이상이었다.