학회 | 한국고분자학회 |
학술대회 | 2003년 가을 (10/10 ~ 10/11, 부경대학교) |
권호 | 28권 2호, p.154 |
발표분야 | 기능성 고분자 |
제목 | Theory of Melting Point Depression for Polymer Blend(PEO-PPO) Electrolyte /LiCF3SO3 Systems in Lithium Battery |
초록 | Polymer blend (Poly(ethylene oxide)(PEO)-poly(propylene oxide)(PPO)) systems with two different mole ratios, complexed with LiCF3SO3 salt, have been characterized at various temperatures and compositions by thermo-optical analysis(TOA) technique. We also develop a new melting point depression theory based on the modified perturbed hard sphere chain (PHSC) model to interpret phase behaviors of polymer blend electrolyte systems. The obtained results show that the eutectic points move toward higher Tm and lower weight fraction of salt with decreasing PEO mole ratio, and also indicates that the mole ratio of PEO:PPO for each polymer blend plays an important role in determining the eutectic point of the polymer blend system. |
저자 | 배영찬, 최용수 |
소속 | 한양대 화학공학과 |
키워드 | polymer blend electrolyte; melting point depression; modified PHSC model; eutectic point |