화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2007년 가을 (11/02 ~ 11/03, 한경대학교)
권호 11권 2호
발표분야 전기화학
제목 Cellulose-triacetate-based polymer gel electrolyte for Lithium batteries
초록 Cellulose triacetate is an inexpensive material with a stiff polymer network and a high density of ether and ester functional groups, which is proved to interact with Li+ ions with hope of fast-ion conduction. In this study, cellulose-triacetate-based polymer electrolyte composed by cellulose triacetate, an ionic liquid (Pyr13TFSI), and Lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) is reported. The optimal molar ratio of these ingredients was determined by DSC measurement when a thermally-homogeneous gel phase was obtained, and optically confirmed by SEM. FT-IR indicated that Li+ interact with the polymer network via their functional groups. Moreover, cellulose-triacetate-based polymer electrolyte has excellent mechanical stability and high ion conductivity, which is promising to be applied as lithium battery polymer electrolyte.
저자 Nguyen Dinh Quan1, 이현주1, 김훈식2, 김홍곤1, 이상득1
소속 1한국과학기술(연), 2경희대
키워드 cellulose triacetate; polymer gel; electrolyte; Lithium; battery
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