التفاصيل البيبلوغرافية
| العنوان: |
Reduction of the Electrode Overpotential of the Oxygen Evolution Reaction by Electrode Surface Modification. |
| المؤلفون: |
Lu, Cian-Tong, Chiu, Yen-Wen, Li, Mei-Jing, Hsueh, Kan-Lin, Hung, Ju-Shei |
| المصدر: |
International Journal of Electrochemistry; 6/28/2017, p1-7, 7p |
| مستخلص: |
Metal–air batteries exhibit high potential for grid-scale energy storage because of their high theoretical energy density, their abundance in the earth’s crust, and their low cost. In these batteries, the oxygen evolution reaction (OER) occurs on the air electrode during charging. This study proposes a method for improving the OER electrode performance. The method involves sequentially depositing a Ni underlayer, Sn whiskers, and a Ni protection layer on the metal mesh. Small and uniform gas bubbles form on the Ni/Sn/Ni mesh, leading to low overpotential and a decrease in the overall resistance of the OER electrode. The results of a simulated life cycle test indicate that the Ni/Sn/Ni mesh has a life cycle longer than 1,300 cycles when it is used as the OER electrode in 6 M KOH. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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