Kontaktujte nás | Jazyk: čeština English
Název: | Reduced graphene oxide-MWCNT organogel foam for lithium-sulfur battery cathode | ||||||||||
Autor: | Vargün, Elif; Fei, Huilong; Wang, Gengchao; Cheng, Qilin; Vilčáková, Jarmila; Jurča, Marek; Domincová Bergerová, Eva; Kazantseva, Natalia E.; Sáha, Petr | ||||||||||
Typ dokumentu: | Článek ve sborníku (English) | ||||||||||
Zdrojový dok.: | ECS Transactions. 2019, vol. 95, issue 1, p. 81-87 | ||||||||||
ISSN: | 1938-6737 (Sherpa/RoMEO, JCR) | ||||||||||
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ISBN: | 978-1-60768-539-5 | ||||||||||
DOI: | https://doi.org/10.1149/09501.0081ecst | ||||||||||
Abstrakt: | The fabrication of self-standing porous carbon foam nanostructures for trapping sulfur in Lithium-Sulfur (Li-S) batteries was aimed in this work. Nitrogen doped reduced graphene oxide/acid treated MWCNT based cathode material was prepared and characterized by different techniques. The GO/aMWCNT organofoam nanostructures were first polymerized in-situ with aniline and pyrrole and then carbonized at 800°C under argon atmosphere. The purpose of the carbonization was to improve the conductivity of the carbon matrix and dope it with nitrogen using PANI and PPy as a nitrogen source. N-doped rGO/aMWCNT foams exhibited the three dimensional porous network morphology and high conductivity (3.06 S.cm-1). The sulfur was infiltrated to the foams by melt diffusion method and the highest sulfur content of the rGO/aMWCNT-S composite was found as 61.3 wt. %. © The Electrochemical Society. | ||||||||||
Plný text: | https://iopscience.iop.org/article/10.1149/09501.0081ecst | ||||||||||
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