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논문 기본 정보

자료유형
학술저널
저자정보
Kaiqiang Zhang (Seoul National University) Tae Hyung Lee (Seoul National University) Joo Hwan Cha (Korea Institute of Science and Technology (KIST)) Ho Won Jang (Seoul National University) Mohammadreza Shokouhimehr (Seoul National University) Ji-Won Choi (Korea Institute of Science and Technology (KIST))
저널정보
대한금속·재료학회 Electronic Materials Letters Electronic Materials Letters Vol.15 No.6
발행연도
2019.1
수록면
727 - 732 (6page)

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Aluminum ion batteries (AIBs) are considered, in principle, promising post-lithium-ion batteries, which are potential forusing in grid-scale energy storage and electric vehicles, owing to the economic Al. The inflammable ionic liquid electrolyteendows stable plating and stripping of Al ions. A spotlighted research on cathode material has been preforming to obtain ahigh-performance cathode material that can match well with the prominent Al foil. However, one over-looked factor for thestudy of cathode materials is the cost and possibility of mass-production. With this key point in mind, we as the forerunnerstudied the CoS2/carbon nanotubes (CNTs) composite cathode material composed of low cost and commercialized CoS2and multi-wall CNTs to promote the development of AIBs. Stable charge/discharge plateaus (at 1.2/0.9 V vs. AlCl4−/Al)during cycling test were obtained for the CoS2/CNTs product at a high current density of 1000 mA g−1, with an extremelyhigh Coulombic efficiency of 98% and reasonable electrochemical capacities. This report is expected to contribute morecontribution in the development of cathode materials for rechargeable AIBs.

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