<P><B>Abstract</B></P> <P>A Li/LiF-LiCl-LiBr/Sn battery cell is prepared for the first time to investigate the feasibility of pure tin metal as an environmentally friendly cathode material in the liquid metal battery. Th...
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https://www.riss.kr/link?id=A107456193
2018
-
SCOPUS,SCIE
학술저널
228-235(8쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><B>Abstract</B></P> <P>A Li/LiF-LiCl-LiBr/Sn battery cell is prepared for the first time to investigate the feasibility of pure tin metal as an environmentally friendly cathode material in the liquid metal battery. Th...
<P><B>Abstract</B></P> <P>A Li/LiF-LiCl-LiBr/Sn battery cell is prepared for the first time to investigate the feasibility of pure tin metal as an environmentally friendly cathode material in the liquid metal battery. The Li-Sn cell can achieve the mean voltages of 0.820 and 0.607 V during charge and discharge at 100 mA cm<SUP>−2</SUP>, respectively. Increasing the discharge current density from 100 to 700 mA cm<SUP>−2</SUP> results in 1.3% capacity loss, and the capacity loss is 12.4% when the charge current density increased from 100 to 1000 mA cm<SUP>−2</SUP>. This high rate capability of the cell is due to ultrafast charge-transfer kinetics at the interface of liquid electrode and liquid electrolyte. The Li-Sn cell exhibits a capacity retention of 94.0% after 220 cycles. The capacity loss originates from the loss of active Sn by forming SnFe and CrSn<SUB>2</SUB> intermetallics in side reaction between the Sn and stainless steel case, and these intermetallics are inert to lithium within the voltage window of 0.5–1.2 V.</P>
Thiophene-initiated polymeric artificial cathode-electrolyte interface for Ni-rich cathode material