Enhancing aluminum corrosion in water

J. Skrovan; A. Alfantazi; T. Troczynski

doi:10.1007/s10800-009-9862-x

Enhancing aluminum corrosion in water

J. Skrovan
, A. Alfantazi
, T. Troczynski

Chemical and Petroleum Engineering

The University of British Columbia

Research output: Contribution to journal › Article › peer-review

60 Scopus citations

Abstract

For small particles of aluminum (<60 μm), a measurable percentage of the aluminum (>5%) is observed to corrode before passivation occurs at moderate temperatures (>50 °C) in de-ionized water within 1 h. Ball-milling of the aluminum powders with aluminum oxide or water soluble salts results in a significant increase in both the rate of corrosion and the extent of corrosion before passivation. The resulting release of hydrogen gas is of commercial interest for portable hydrogen supply systems. This paper investigates the effect of temperature increase, pH shift, and change of surface area during milling, on the corrosion rate of aluminum powders in water.

Original language	British English
Pages (from-to)	1695-1702
Number of pages	8
Journal	Journal of Applied Electrochemistry
Volume	39
Issue number	10
DOIs	https://doi.org/10.1007/s10800-009-9862-x
State	Published - Oct 2009

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Aluminum
Ball-milling
Corrosion
Hydrogen

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10.1007/s10800-009-9862-x

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title = "Enhancing aluminum corrosion in water",

abstract = "For small particles of aluminum (<60 μm), a measurable percentage of the aluminum (>5\%) is observed to corrode before passivation occurs at moderate temperatures (>50 °C) in de-ionized water within 1 h. Ball-milling of the aluminum powders with aluminum oxide or water soluble salts results in a significant increase in both the rate of corrosion and the extent of corrosion before passivation. The resulting release of hydrogen gas is of commercial interest for portable hydrogen supply systems. This paper investigates the effect of temperature increase, pH shift, and change of surface area during milling, on the corrosion rate of aluminum powders in water.",

keywords = "Aluminum, Ball-milling, Corrosion, Hydrogen",

author = "J. Skrovan and A. Alfantazi and T. Troczynski",

note = "Funding Information: Acknowledgments Financial support for this work was provided by the Natural Sciences and Engineering Research Council of Canada (NSERC) and Global Hydrogen Technologies Inc., and is greatly acknowledged. The authors would like to thank Edith Czech for many discussions and practical advice and Won Ju for assistance with some of the experiments.",

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N2 - For small particles of aluminum (<60 μm), a measurable percentage of the aluminum (>5%) is observed to corrode before passivation occurs at moderate temperatures (>50 °C) in de-ionized water within 1 h. Ball-milling of the aluminum powders with aluminum oxide or water soluble salts results in a significant increase in both the rate of corrosion and the extent of corrosion before passivation. The resulting release of hydrogen gas is of commercial interest for portable hydrogen supply systems. This paper investigates the effect of temperature increase, pH shift, and change of surface area during milling, on the corrosion rate of aluminum powders in water.

AB - For small particles of aluminum (<60 μm), a measurable percentage of the aluminum (>5%) is observed to corrode before passivation occurs at moderate temperatures (>50 °C) in de-ionized water within 1 h. Ball-milling of the aluminum powders with aluminum oxide or water soluble salts results in a significant increase in both the rate of corrosion and the extent of corrosion before passivation. The resulting release of hydrogen gas is of commercial interest for portable hydrogen supply systems. This paper investigates the effect of temperature increase, pH shift, and change of surface area during milling, on the corrosion rate of aluminum powders in water.

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KW - Corrosion

KW - Hydrogen

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JF - Journal of Applied Electrochemistry

IS - 10

ER -

Enhancing aluminum corrosion in water

Abstract

UN SDGs

Keywords

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