Decorating carbon nanotubes with Ni particles using an electroless deposition technique for hydrogen storage applications

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Title:	Decorating carbon nanotubes with Ni particles using an electroless deposition technique for hydrogen storage applications
Authors:	Lin,KY;Tsai,WT;Chang,JK
Contributors:	材料科學與工程研究所
Keywords:	NICKEL NANOPARTICLES;ACTIVATED CARBON;CAPACITY;SPILLOVER;ELECTRODEPOSITION;ENHANCEMENT;COMPOSITES;ADSORPTION;PRESSURES;PLATINUM
Date:	2010
Issue Date:	2012-03-27 16:28:09 (UTC+8)
Publisher:	國立中央大學
Abstract:	A facile and low-cost electroless deposition technique is utilized to decorate multi-walled carbon nanotubes (CNTs) with Ni. The obtained composites are attempted to use as hydrogen storage materials, whose performance is evaluated with a high-pressure microbalance. Effects of the concentration of plating solution, deposition time, and reaction temperature on the loading amount, particle size, morphology, and distribution density of Ni are studied using a transmission electron microscope. With proper deposition parameters, highly dispersed Ni nanoparticles with a uniform diameter can be fabricated on CNTs, causing a notable hydrogen spillover reaction on the composite. The optimum hydrogen storage capacity of the prepared Ni-decorated CNTs with a average diameter of 5 nm, measured at 6.89 MPa and 25 degrees C, is 1.02 wt%, which is almost three times higher than that (0.35 wt%) of pristine CNTs. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
Relation:	INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Appears in Collections:	[Institute of Materials Science and Engineering] journal & Dissertation

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