Promoted hydrolysis performances and mechanism of Si-NaBH<sub>4</sub>-AlCl<sub>3</sub> in deionized water

Zhao Feng; Chaoling Wu; Shuang Zhong; Yungui Chen; Hui Chen; Yao Wang

doi:10.1016/j.cjche.2020.08.019

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Promoted hydrolysis performances and mechanism of Si-NaBH₄-AlCl₃ in deionized water

Materials and Product Engineering | Updated：2026-01-06

- Promoted hydrolysis performances and mechanism of Si-NaBH₄-AlCl₃ in deionized water
- Promoted hydrolysis performances and mechanism of Si-NaBH₄-AlCl₃ in deionized water
- 中国化学工程学报（英文版） 2020年28卷第12期页码：3136-3144
- Affiliations：
  
  1. Department of Advanced Energy Materials, College of Materials Science and Engineering, Sichuan University,Chengdu,China,610207
  2. Engineering Research Center of Alternative Energy Materials & Devices, Ministry of Education,Chengdu,China,610064
  3. Institute of New Energy and Low-Carbon Technology, Sichuan University,Chengdu,China,610207
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2020.08.019
  中图分类号：
- 纸质出版：2020
- Accepted：
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Zhao Feng, Chaoling Wu, Shuang Zhong, 等. Promoted hydrolysis performances and mechanism of Si-NaBH₄-AlCl₃ in deionized water[J]. 中国化学工程学报（英文版）, 2020,28(12):3136-3144. DOI: 10.1016/j.cjche.2020.08.019.

-AlCl
Zhao Feng, Chaoling Wu, Shuang Zhong, 等. Promoted hydrolysis performances and mechanism of Si-NaBH₄-AlCl₃ in deionized water[J]. 中国化学工程学报（英文版）, 2020,28(12):3136-3144. DOI: 10.1016/j.cjche.2020.08.019. DOI：

-AlCl DOI： 10.1016/j.cjche.2020.08.019.

摘要

Abstract

Si-based hydrolysis material system can be used in mobile/portable hydrogen source applications connected to fuel cells but is limited by alkaline solutions. In the present research

we reported an acid/alkaline free hydrolysis system combining silicon with NaBH

. Samples with different ratios between Si and NaBH

are prepared via high energy ball milling and hydrolyzed in deionized water at different temperatures. Synergetic effect between silicon and NaBH

was found in the hydrolysis process. 2Si-NaBH

sample displays the best hydrolysis performances with the hydrogen yield of 1594 ml·g

-1

in deionized water at 70℃. Thereafter

AlCl

is added into the 2Si-NaBH

sample to further improve its comprehensive properties. The effect of AlCl

content and promotion mechanism of the reaction are explored. 2Si-NaBH

-5 wt% AlCl

sample shows a significant improvement with a high hydrogen yield of 1689 ml·g

-1

in deionized water at 70℃ and a corresponding conversion rate of 95.8%

indicating that the Si-NaBH

-AlCl

composite is promising to be a hydrogen so

urce in applications of mobile/portable fuelcell-powered facilities.

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Promoted hydrolysis performances and mechanism of Si-NaBH4-AlCl3 in deionized water

Promoted hydrolysis performances and mechanism of Si-NaBH4-AlCl3 in deionized water

DOI：10.1016/j.cjche.2020.08.019

摘要

Abstract

关键词

Keywords

references

Promoted hydrolysis performances and mechanism of Si-NaBH₄-AlCl₃ in deionized water

Promoted hydrolysis performances and mechanism of Si-NaBH₄-AlCl₃ in deionized water