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A new method for generating hydrogen from water

  • Qing Bo Meng*
  • , Ke Xin Li
  • , Hong Li
  • , Yu Zun Fan
  • , Zhe Xun Yu
  • , Dong Mei Li
  • , Yan Hong Luo
  • , Li Quan Chen
  • *Corresponding author for this work
  • CAS - Institute of Physics

Research output: Contribution to journalArticlepeer-review

Abstract

A new method for generating hydrogen by the reaction of Al powder with water using iodine as additive is developed. I2 can penetrate through the surface oxide layer on aluminium to form AlI3. High solubility of AlI3 in water is benefited to activate Al surface. It is found that the production of hydrogen becomes significant above 60° C and obeys a logarithm rule. The pH value varies from 5 to 3 then back to 4.5 during the reaction, which is determined mainly by the kinetics of hydration reaction of AlI3 and the reaction of Al and HI produced spontaneously.

Original languageEnglish
Pages (from-to)3482-3484
Number of pages3
JournalChinese Physics Letters
Volume25
Issue number9
DOIs
StatePublished - 1 Sep 2008
Externally publishedYes

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