Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 72, Issue -, Pages 250-254Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2018.12.025
Keywords
Mixed metal oxide; Electrocatalyst; Nanoparticles; Seawater battery; Rechargeable battery
Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - the Ministry of Education [2017R1D1A1B03033428]
- Energy Technology Development Project (ETDP) - Ministry of Trade, Industry Energy [20172410100150]
- National Research Foundation of Korea [2017R1D1A1B03033428] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Herein, we report synthesis of Co3V2O8 nanoparticles for an electrocatalyst of seawater batteries. The cell using Co3V2O8 achieves a higher voltage efficiency of similar to 76% than similar to 72% of the cell without catalyst. In addition, the Co3V2O8 shows a good rate capability with reduced voltage gaps and an increased power density of similar to 5.9 mW cm(-2). This cell is stable over 20 cycles for 400 h with reduced voltage gap of similar to 0.95V. These findings are attributed to the facilitated redox kinetics of the clustered Co3V2O8 nanoparticles arising from the optimal metal-OH bond strength and large surface area. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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