화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2001년 가을 (10/19 ~ 10/20, 한밭대학교)
권호 7권 2호, p.4743
발표분야 재료
제목 졸-겔법을 이용한 층상망간산화물의 구조와 전기화학적 특성 연구
초록 The layered Li0.7MnO2 compounds were synthesized and characterized to investigate the effect of synthesis condition on the electrode performance of layered manganese. Na0.7MnO2 precursors were first synthesized by a sol-gel method using glycolic acid as a chelating agent. Layered sodium manganese having the Na0.7MnO2 were used to prepare layered lithium manganese oxides by ion exchange of Na by Li with LiBr in ethanol. Powder X-ray diffraction was used to confirm the structure of the phase. The Li0.7MnO2 can be indexed based on a rhombohedral phases with a space group R-3m. It exhibits a large reversible capacity of approximately 200 mAh/g in the 2.4-4.5 V range.
저자 선양국, 박상호
소속 한양대
키워드 lithium secondary battery; layered manganese oxide
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