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|Title:||Co/Al layered double hydroxides nanostructures: A binderless electrode for electrochemical capacitor|
Layered Double Hydroxides
|Citation:||Loh, P.Y., Lee, K.K., Ng, Y., Sow, C.H., Chin, W.S. (2014-06). Co/Al layered double hydroxides nanostructures: A binderless electrode for electrochemical capacitor. Electrochemistry Communications 43 : 9-12. ScholarBank@NUS Repository. https://doi.org/10.1016/j.elecom.2014.03.001|
|Abstract:||We present here a study of Co/Al layered double hydroxides (LDH) nanoflakes supported on Co nanowires as a binderless electrode for electrochemical capacitor. This nanostructured array was prepared easily via electrodeposition of Co in anodic alumina (AAO) template followed by alkaline treatment. This is the first report AAO template is used as a source of Al3+ to form the LDH directly. Capacitance was found to increase with the amount of Co/Al-LDH, as indicated by the Al content from EDX analysis. This content is controllable by varying the duration of alkaline treatment. High capacitance of 0.510 F/cm2 was achieved for sample containing 12% Al measured at current density 2.5 mA/cm2 in 1 M KOH. The electrodes also exhibited good stability, maintaining more than 90% of their original capacitance after 3000 continuous charge-discharge cycles. © 2014 Elsevier B.V.|
|Source Title:||Electrochemistry Communications|
|Appears in Collections:||Staff Publications|
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