Abstract
Carbon-coated sulphur compounds were produced with a novel, fast, and very efficient microwave-assisted method within two steps. This method provided highly dispersed sulphur within a well contacted carbon material. A remarkable high specific capacity of about 734 A h kg−1 (for a sulphur content of 45 wt %, a 100% sulphur compound with a specific capacity of 1630 A h kg−1), a very high electrochemical stability (about 90% remaining discharge capacity after about 200 cycles), and significantly improved discharge power rating characterize the novel sulphur compounds for room temperature operated Na/S batteries.
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Published in Russian in Elektrokhimiya, 2014, Vol. 50, No. 12, pp. 1277–1283.
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Rosenberg, S., Hintennach, A. A significant alternative: Microwave-assisted preparation path of room temperature operated Na/S batteries. Russ J Electrochem 50, 1142–1148 (2014). https://doi.org/10.1134/S1023193514120064
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DOI: https://doi.org/10.1134/S1023193514120064