Progress with Lithium-sulfur battery technology
3 June 2012
Researchers from Hanyang University in Korea and the University of Rome Sapienza (Italy) have developed a lithium-sulfur battery employing a high-performance mesoporous hard carbon spherules-sulfur cathode and a stable, highly conducting electrolyte.
The results, reported in the journal Advanced Functional Materials, demonstrate that the battery cycles with very high capacity—on the order of 750 mAh g−1—with excellent retention during cycling. In addition, by exploiting the high conductivity of the electrolyte, the battery performs very well also at low temperature, i.e., delivering a capacity of 500 mAh g−1(S) at 0 °C for more than 170 charge-discharge cycles.
The team suggests that the results may substantially contribute to the progress of the lithium-sulfur battery technology.
Kim, J., Lee, D.-J., Jung, H.-G., Sun, Y.-K., Hassoun, J. and Scrosati, B. (2012), An Advanced Lithium-Sulfur Battery. Adv. Funct. Mater. doi: 10.1002/adfm.201200689
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