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대한화학회 제124회 학술발표회 및 총회 FeF2 Nanoparticles Embedded with Graphitic Carbon Derived from Fe-MIL-88B as a Cathode Material for Sodium-Ion Batteries

등록일
2019년 8월 22일 13시 40분 27초
접수번호
1130
발표코드
ELEC.P-417 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 17일 (목요일) 11:00~12:30
발표형식
포스터
발표분야
Electrochemistry
저자 및
공동저자
Achmad Yanuar Maulana, Jongsik Kim*
Department of Chemistry, Dong-A University, Korea
The concern about the scarcity of lithium in the future encourages the development of alternative rechargeable battery systems for lithium-ion batteries (LIBs). The beneficial factor of sodium such as low-cost material, high natural abundance, and similar electrochemical characteristic with lithium inflicted sodium-ion batteries (SIBs) as one of the most promising next-generation power sources. Iron difluoride (FeF2) can be considered as one of suitable cathode materials to be applied in SIBs due to its high theoretical capacity (about 571 mAh g-1), abundance, and low-cost main elements. However, the poor electrical conductivity of FeF2 leads to insufficient reversible capacity and cycling stability in charge-discharge processes. In this work, FeF2 nanoparticles were successfully embedded with graphitic carbon (FeF2@GC) from Fe-MIL-88B, Fe-containing metal-organic framework, exhibiting a high discharge capacity of about 120.45 mAh g-1 at 50 mA g-1 after 300 cycles with good cycling stability.

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