Effect of Nano-TiO2 Addition on Hydrogen Absorbing Properties of Mg17Al12 Alloy

庞立娟; 陈云贵; 严义刚; 吴朝玲; 刘艳; 郑欣

您当前的位置：

首页 >

文章列表页 >

Effect of Nano-TiO₂ Addition on Hydrogen Absorbing Properties of Mg₁₇Al₁₂ Alloy

更新时间：2025-12-08

- Effect of Nano-TiO₂ Addition on Hydrogen Absorbing Properties of Mg₁₇Al₁₂ Alloy
- Vol. 42, Issue 5, Pages: 647-650(2008)
- 作者机构：
  
  四川大学材料科学与工程学院,成都,610065
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP301
- Online First：10 May 2008，
  
  Published：2008
- 稿件说明：
移动端阅览
庞立娟, 陈云贵, 严义刚, et al. Effect of Nano-TiO₂ Addition on Hydrogen Absorbing Properties of Mg₁₇Al₁₂ Alloy[J]. 2008, 42(5): 647-650.
DOI：

庞立娟, 陈云贵, 严义刚, et al. Effect of Nano-TiO₂ Addition on Hydrogen Absorbing Properties of Mg₁₇Al₁₂ Alloy[J]. 2008, 42(5): 647-650. DOI：

摘要

采用高能球磨在Mg

合金中添加纳米级金红石型TiO

并研究了材料的吸氢动力学性能、结构及微观形貌特征.研究结果表明

纳米TiO

的添加可显著地提高材料的吸氢动力学性能和吸氢量

降低吸氢温度.Mg

合金在573 K及1 150 min的最大吸氢量(质量分数)仅为1.45%

而添加TiO

后

合金在393 K下可快速吸氢

60 min时的吸氢量达到1.97%

在473 K下15 min内的吸氢量可达到1.68%

饱和时的吸氢量达到了3.94%.X射线衍射分析表明

添加TiO

后

合金在球磨过程中没有新相生成

但放氢后会出现Al及Al

Ti等相

其中Al

Ti很可能是该反应的催化剂.

Abstract

The w(H)of 10%TiO

+Mg

compounds were prepared by high energy ball-milling

the kinetic hydrogen absorbing properties and microstructure of the w(H)of 10%TiO

+Mg

materials were investigated. The nano-TiO

addition significantly decreases the temperature of hydrogenation and improves the properties of absorbing hydrogen of Mg

. Mg

absorbs only 1.45% at 573 K in 1 150 min. With the addition of nano-TiO

the alloy could absorb w(H)of 1.97% hydrogen within 60 min at the temperature as low as 393 K. The alloy with nano-TiO

performs best at 473 K

the capacity of the alloy can reach w(H)of 1.68% within 15 min

and the full absorbing capacity is w(H)of 3.94%. XRD results indicate that there is no new phase occurs during ball-milling

but the Al and Al

Ti phases are observed after dehydrogenation and the latter probably acts as a catalyst.

关键词

Keywords

references

VIGEHOLM B, KJOLLER J, LARSEN B, et al. Nanocrystalline magnesium for hydrogen storage [J]. Less Com Met, 1983, 89(1/2): 135.

BOGDANOVIC B, HARTWING T H, SPLIETHOFF B. Ni-doped versus undoped Mg-MgH2materials for high temperature heat or hydrogen storage[J]. Int J Hydrogen Energy, 1993,18(7): 575.

BOGDANOVIC B, BOHMHAMMEL K, CHRISTY B, et al. Thermodynamic investigation of the magnesium-hydrogen system [J]. J Alloys Comp, 1999, 282(1/2): 84.

BOUARICHA S, DODELET J P, GUAY D, et al. Interaction of hydrogen with an Mg-Al alloy[J]. J Alloys Compd, 2000, 297(1/2): 282.

ZHANG Q A, WU H Y. Hydriding behavior of Mg17Al12 compound[J]. Materials Chemistry and Physics, 2005,94(1): 69-72.

HIROMASA Yabe, TOSHIRO Kuji. Thermal stability and hydrogen absorption/desorption properties of Mg17Al12 produced by bulk mechanical alloying [J]. Alloys Compd, 2007,433(1/2): 241-245.

Views

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Microstructures and Hydrogen Storage Characteristics of Nanocrystal/Amorphous Mg17Al12 Alloy Prepared by Ball-Milling

A Fast Calculation Method for Thermal Flow Fields in Transformer Windings Based on PI-DeepONet

Research on the Electrohydrodynamic Effects of Ionic Liquid-Modified Fuels

Effects of Steam Addition on the Swirl Combustion and Emission Characteristics of Cracked Ammonia

Review of the Application of EBSILON Software in Combined Heat and Power System Optimization

Related Author

肖学章

陈立新

刘广成

王爽

李寿权

王新华

陈长聘

Related Institution

Department of Materials Science and Engineering, Zhejiang University

⁰