Ni-Co-B nanoparticle decorated carbon felt by electroless plating as a bi-functional catalyst for urea electrolysis
- Authors
- Kim, Bohyeon; Das, Gautam; Kim, Jihyeon; Yoon, Hyon Hee; Lee, Dal Ho
- Issue Date
- Nov-2021
- Publisher
- ACADEMIC PRESS INC ELSEVIER SCIENCE
- Keywords
- Bi-functional catalyst; Electroless plating; Free-standing electrode; Hydrogen evolution; Urea electrolysis; Urea oxidation
- Citation
- Journal of Colloid and Interface Science, v.601, pp.317 - 325
- Journal Title
- Journal of Colloid and Interface Science
- Volume
- 601
- Start Page
- 317
- End Page
- 325
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/81917
- DOI
- 10.1016/j.jcis.2021.05.078
- ISSN
- 0021-9797
- Abstract
- A free-standing catalyst electrode for urea electrolysis was synthesized by electroless plating of NiCoB alloy onto a flexible carbon felt. The synthesized NiCoB@C catalyst exhibited porous and partially amorphous metallic structure depending on its composition, as analysed by XRD, XPS, and TEM; thus, NiCoB@C catalyst showed a high catalytic activity for urea oxidation reaction as well as hydrogen evolution reaction. The required cell voltage in the electrolysis cell with NiCoB@C as anode and cathode was as low as 1.34 V for the current densities 10 mA cm−2. Similar performance of the urea electrolysis for H2 production using 0.33 M urea and a fresh urine in 1 M KOH was observed. The result indicated that NiCoB could be incorporated on to carbon felt by electroless plating, and it could be used as free-standing bifunctional electrodes for urea electrolysis using urea as well as urine. © 2021 Elsevier Inc.
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Collections - IT융합대학 > 전자공학과 > 1. Journal Articles
- 공과대학 > 화공생명공학과 > 1. Journal Articles
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