SnSb Alloy Blended with Hard Carbon as Anode for Na-Ion Batteries

Ying Ching Lu, Nikolay Dimov, Shigeto Okada and Thi Hang Bui
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Ying Ching Lu: Department of Chemical Engineering, Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Fukuoka 816-8580, Japan
Nikolay Dimov: International Institute for Carbon-Neutral Energy Research, Kyushu University, Fukuoka 819-0395, Japan
Shigeto Okada: Institute for Materials Chemistry and Engineering, Kyushu University, Fukuoka 816-8580, Japan
Thi Hang Bui: International Training Institute for Materials Science, Hanoi University of Science and Technology, No. 1 Dai Co Viet, Hanoi 100000, Vietnam

Energies, 2018, vol. 11, issue 6, 1-10

Abstract: SnSb binary alloys blended with reduced graphene oxide (SnSb/RGO) or mixtures of SnSb/RGO with hard carbon (SnSb/RGO+HC) were tested as anode materials for sodium-ion batteries. The presence of hard carbon in the SnSb/RGO+HC blend improves its cycle efficiency and rate performance substantially. The synergy between the SnSb/RGO and the hard carbon phase is explained by the buffer action of the hard carbon, preventing SnSb interparticle agglomeration during the repeated recharge cycles. The feasibility of SnSb alloy anode for sodium-ion batteries was confirmed in full cell configuration vs. Na 3 V 2 (PO 4 ) 2 F 3 cathode.

Keywords: SnSb binary alloy; reduced graphene oxide (RGO); hard carbon (HC); sodium-ion battery (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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