화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2016년 봄 (05/02 ~ 05/04, 여수 엑스포 컨벤션)
권호 20권 1호
발표분야 나노_포스터
제목 Crumpled graphene paper as anode for sodium-ion storage
초록 Graphene-based electrodes typically form a compact uniaxially oriented stacked structure during electrode preparation due to the highly anisotropic morphology. This leads to limited diffusion paths for the insertion of Li or Na when used as electrodes in rechargeable batteries. In this study, we demonstrate that self-standing electrodes formed of randomly folded and/or crumpled graphene nanosheets can be obtained via a simple modified reduction process, and that the crumpled structure can significantly increase the power capability of graphene-based anodes of Na-ion batteries. The specific capacity of these electrodes was stably maintained without a binder, conductive agent, or substrate for more than 500 charge/discharge cycles and 1000 cycles of repeated bending.
저자 이민의1, 송민영1, 김나래1, 윤현지1, 안홍주1, 최준호1, 윤영수2, 진형준1
소속 1인하대, 2강원대
키워드 graphene; self-standing; Na-ion batteries
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