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

Kuan Yu Lin, Wen Ta Tsai, Jeng Kuei Chang

研究成果: Article同行評審

63 引文 斯高帕斯(Scopus)

摘要

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 °C, is 1.02 wt%, which is almost three times higher than that (0.35 wt%) of pristine CNTs.

原文English
頁(從 - 到)7555-7562
頁數8
期刊International Journal of Hydrogen Energy
35
發行號14
DOIs
出版狀態Published - 2010 7月

All Science Journal Classification (ASJC) codes

  • 可再生能源、永續發展與環境
  • 燃料技術
  • 凝聚態物理學
  • 能源工程與電力技術

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