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나노입자 연구단
나노입자 연구단
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NaCrO2/Coffee Waste–derived Nitrogen-doped Carbon Composite as High-Performance Cathode Material for Sodium Ion Batteries

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Title
NaCrO2/Coffee Waste–derived Nitrogen-doped Carbon Composite as High-Performance Cathode Material for Sodium Ion Batteries
Author(s)
Seok Mun Kang; Min-Seob Kim; Yunseo Jeoun; Chairul Hudaya; Yung-Eun Sung
Publication Date
2019-09
Journal
BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.40, no., pp.857 - 862
Publisher
KOREAN CHEMICAL SOC
Abstract
© 2019 Korean Chemical Society, Seoul & Wiley-VCH Verlag GmbH & Co. KGaA, WeinheimSodium-ion batteries (NIBs) are promising alternatives to lithium-ion batteries for large-scale energy applications such as energy storage systems, owing to the earth-abundance and low cost of sodium resources. Among layered oxide cathode materials for NIBs, O3-type NaCrO2 has attracted considerable attention owing to its electrochemically active Cr3+/4+, which is unlike that of LiCrO2, and potential for carbon coating with a high thermal stability. In this study, we propose a new facile and eco-friendly method for applying nitrogen-doped carbon to NaCrO2 using coffee waste as a carbon source. The synthesized O3-type NaCrO2/coffee waste–derived N-doped carbon composite exhibits an outstanding electrochemical performance as an NIB cathode material. The sodium/composite cell achieved a 73.7% capacity retention after 500 charge/discharge cycles and an approximate 50% discharge capacity during 43 s of charge. The results demonstrate the potential use of coffee waste for battery materials with improved electrochemical performances
URI
https://pr.ibs.re.kr/handle/8788114/6877
ISSN
0253-2964
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > Journal Papers (저널논문)
Files in This Item:
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