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Preparation and evaluation of activated carbon supported catalysts derived waste materials for hybrid type Na-air battery

Author(s)
Kim, KyounghoHan, JinhyupPark, Jeong-SunLee, Jinho
Issued Date
2019-06
DOI
10.1016/j.matlet.2019.02.081
URI
https://scholarworks.unist.ac.kr/handle/201301/26423
Fulltext
https://www.sciencedirect.com/science/article/pii/S0167577X19303222?via%3Dihub
Citation
MATERIALS LETTERS, v.245, pp.6 - 9
Abstract
Recently carbon supported catalysts (CSCs) have often been used to reduce the amount of noble metal catalyst required for improving the electrochemical performances of Na-air batteries (NABs). Herein, we successfully demonstrate a biomass-based CSC for hybrid-type NABs prepared via hydrothermal activation. The fabricated CSCs exhibited amorphous and disordered structure, and CSC-II based hybrid type NAB showed high specific discharge capacity of 799.85 mAh g −1 , which is an equivalent to 95.5% of theoretical values. Furthermore, the N-doped CSC-II based battery exhibited improved performance related to carbon corrosion.
Publisher
Elsevier B.V.
ISSN
0167-577X
Keyword (Author)
Activated carbonCarbon supported catalystHybrid-type Na-air batterySurface areaVoltage efficiency
Keyword
Activated carbonCorrosionDoping (additives)Electric batteriesHybrid materialsPrecious metalsWaste disposalActivated carbon supportedCarbon supported catalystDisordered structuresElectrochemical performanceHybrid typeSpecific discharge capacitySurface areaVoltage efficienciesCatalyst supports

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