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<p>Hydrogen generation from the Aluminum-water reaction is a promising technology, offering potential advantages for on-demand hydrogen supply. In this study, the activation of aluminum via high-energy ball milling with Ga, In, Bi<sub>2</sub>O<sub>2</sub>, and SnCl<sub>2</sub> facilitates hydrogen production. The effect of composition on the hydrolysis behavior of Al-based composites was investigated using a controlled-variable approach. The results show that material composition have a significant effect on the hydrolysis property. Al-based composites exhibit a volcano-type relationship in hydrolysis property, where both hydrogen production yield and reaction rate increase to composition-dependent maxima before decreasing beyond optimal additive composition. In addition, the potential application of hydrogen, produced via the aluminum-water reaction, in PEMFCs was also discussed.</p>

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Investigation of Material Composition on the Hydrolysis Property of Al-Based Composites

  • 期刊论文

  • 发表日期：

    2025年9月20日

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  • Xu Guan,
  • Caihong Wu,
  • Jian Li,
  • Shuai Yang,
  • Shuxia Sun,
  • Chunfang Wu,
  • Qi Cui,
  • Sihang Yan,
  • Ping Luo,
  • Shijie Dong

摘要

Hydrogen generation from the Aluminum-water reaction is a promising technology, offering potential advantages for on-demand hydrogen supply. In this study, the activation of aluminum via high-energy ball milling with Ga, In, Bi2O2, and SnCl2 facilitates hydrogen production. The effect of composition on the hydrolysis behavior of Al-based composites was investigated using a controlled-variable approach. The results show that material composition have a significant effect on the hydrolysis property. Al-based composites exhibit a volcano-type relationship in hydrolysis property, where both hydrogen production yield and reaction rate increase to composition-dependent maxima before decreasing beyond optimal additive composition. In addition, the potential application of hydrogen, produced via the aluminum-water reaction, in PEMFCs was also discussed.