Coating of Sulfur Particles with Manganese Oxide Nanowires as a Cathode Material in Lithium-Sulfur Batteries

Title
Coating of Sulfur Particles with Manganese Oxide Nanowires as a Cathode Material in Lithium-Sulfur Batteries
Authors
이정연황태진이용호이중기최원창
Keywords
Lithium-sulfur batter; Sulfur; Metallic oxide
Issue Date
2015-11
Publisher
Materials letters
Citation
VOL 158, 132-135
Abstract
α-MnO2 nanowiresweresynthesizedbyahydrothermalmethodandthenmixedwithagglomerated sulfur powders.Homogeneous α-MnO2-coated sulfurparticleswereobtainedbyutilizingheattreatment intended tomeltandrecrystallizethesulfur. α-MnO2 nanowiresleadtothesuppressioninre-agglom-eration ofsulfurpowdersduringheattreatmentandresultinsuccessfulcoatingaswellasdecreasedsize in parentsulfurpowders.The α-MnO2-coated sulfurparticleswereusedasthecathodematerialfor lithium-ion batteryapplications.Electrochemicalevaluationsuchastheratecapabilitycharacteristics and impedancestudyindicatesthatthe α-MnO2 coated sulfurcathodeshowslowerresistanceand improvedratecapabilitycomparedtoapristinesulfurcathode.
URI
http://pubs.kist.re.kr/handle/201004/50409
ISSN
0167577X
Appears in Collections:
KIST Publication > Article
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