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제114회 대한화학회 학술발표회, 총회 및 기기전시회 안내 The Development of Hollow Nanostructure with Exfoliated Ruthenium Oxides for the Energy Storage Applications

등록일
2014년 8월 28일 16시 57분 12초
접수번호
1338
발표코드
MAT.P-1157 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 15일 (수요일) 16:00~19:00
발표형식
포스터
발표분야
재료화학
저자 및
공동저자
장수진, 백승민*
경북대학교 화학과, Korea
According to the current research activities, the transition metal oxides could have better energy storage properties as anodes in rechargeable lithium-ion batteries, in comparison with those of carbon-based materials. In particular, since ruthenium dioxides have high electrical conductivity, excellent chemical and electrochemical property, lithium-ion battery based on ruthenate could lead to the enhanced columbic efficiency and cyclability. In this study, we are quite successful in the development of ruthenate hollow sphere, which leads to nearly 96% coulombic efficiency along with enhanced discharge capacity. Scanning electron microscopic images of samples show ruthenium dioxides nanosheets were assembled in a controlled manner onto the polymer particles. The morphology of ruthenate hollow sphere can be confirmed by transmission electron microscopic images, supporting that ruthenate hollow sphere maintains its spherical morphology even after calcinations reaction.

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