Co3Se4 nanosheets embedded on N-CNT as an efficient electroactive material for hydrogen evolution and supercapacitor applications
- Authors
- Bose, Ranjith; Patil, Bebi; Jothi, Vasanth Rajendiran; Kim, Tae-Hyun; Arunkumar, Paulraj; Ahn, Heejoon; Yi, Sung Chul
- Issue Date
- Sep-2018
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- Co3Se4; Carbon nanotubes; Hydrogen evolution; Electrocatalyst; Supercapacitor
- Citation
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.65, pp.62 - 71
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
- Volume
- 65
- Start Page
- 62
- End Page
- 71
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/3049
- DOI
- 10.1016/j.jiec.2018.04.013
- ISSN
- 1226-086X
- Abstract
- Co3Se4 on nitrogen doped carbon nanotube (N-CNT) with applications for supercapacitor and hydrogen evolution reaction (HER) is synthesized by pyrolysis and solvothermal processes. The catalyst due to improved electrical conductivity and increased rate of removal of H-2 liberated, delivers a high HER activity, by reaching eta(10) at 174 mV arid 240 mV, Tafel slope of 73.2 and 43.8 mV dec(-1) in alkaline and acidic medium respectively. Co3Se4/N-CNT as supercapacitor electrodes, yields a capacitance of 114 F g(-1) at a 2 mV s(-1) scan rate, with an excellent capacitive retention of 96% of the initial capacitance after 5000 cycles. (C) 2018 The Korean Society of Industrial and Engineering Chemistry.
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