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Choi, YunSeok
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Effect of cathode component on the energy density of lithium sulfur battery

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Title
Effect of cathode component on the energy density of lithium sulfur battery
Author
Choi, YunSeokKim, SeokChoi, Soo SeokHan, Ji SungKim, Jan DeeJeon, Sang EunJung, Bok Hwan
Keywords
Lithium;  Sulfur;  Utilization;  Carbon structure
Issue Date
200411
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
ELECTROCHIMICA ACTA, v.50, no.2-3, pp.833 - 835
Abstract
The effect of the carbon black types and the sulfur particle size on the discharge capacity or the utilization of sulfur was investigated for the cathode having high loading of sulfur. The DBP (dibutyl phthalate) absorption number of the used carbon black has a strong effect on the utilization while the specific surface area is not so critical to it. It was also found that the sulfur particle size is a factor having an effect on the utilization. We have improved the cathode component and achieved the utilization of about 50%. By using that cathode, the volumetric energy density of about 330 Wh/l was obtained for the full size Li–S battery (3.8 mm thickness, 35 mm width and 62 mm height).
URI
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DOI
http://dx.doi.org/10.1016/j.electacta.2004.05.048
ISSN
0013-4686
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ECHE_Journal Papers
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