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2014 | "Morphological variation of highly porous Ni-Sn foams fabricated by el…

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작성자 관리자 /   작성일2015-08-25 /   조회785회

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Title : Morphological variation of highly porous Ni-Sn foams fabricated by electrodeposition in hydrogen-bubble templates and their performance as pseudo-capacitors
Authors: Zhuo, Kai/ Jeong, Myung-Gi/ Shin, Myung Sik/ Chun, Woo Won/ Bae, Jong Wook/ Yoo, Pil Jin, Chung, Chan-Hwa

Journal : Applied Surface Science
Vol/Page : 322/15-20
DOI : 10.1016/j.apsusc.2014.10.007

Abstract :
Ni-Sn alloy foams with different morphologies for pseudo-capacitor applications have been prepared by electro-deposition involving a hydrogen evolution reaction. The morphology depends upon the composition of electrolytes and the electro-deposition temperature. Among the several different structures of Ni-Sn foams, one that has been prepared at 45 degrees C represents the best electro-chemical performance of 1313 F g(-1) at 1 A g(-1) and it retained up to 91% of its initial performance even after 5000 cycles of charge-discharge. This Ni-Sn foam has a planar dendrite structure with bundles of flower-like tubes, providing highly porous foam with an extremely large surface area.

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