摘要
研究超声波辅助下的功率密度和反应温度对铝颗粒水解过程和产氢特性的影响,并对铝颗粒水解过程中形貌和表面结构的变化进行研究。结果表明:铝颗粒在超声场中可有效缩短反应诱导期、提高反应速率,且随着功率密度的增强,H2转化率逐渐提升,但当功率密度达23 W/L时出现超声空化衰竭,H2转化率为86.2%,铝颗粒由大颗粒逐渐趋于多孔细颗粒。
The effect of the reaction temperature and uhrasonic power density and the characteristics of hydrogen production was studied, and the changes on the process of AI particle hydrolysis of pattern and surface structure of AI particle in hydrolysis process were also studied. The results demonstrate that the reaction abduction period of A1 particles was shortened effectively and reaction rate was improved in ultrasonic field, the hydrogen fractional conversion was elevated gradually follow the increase of power density, however, the ultrasonic cavitation failure occured when the power density reached 23 W/L, hydrogen conversion rate was 86.2%, A1 particles change from large particle to fine pore particle.
出处
《太阳能学报》
EI
CAS
CSCD
北大核心
2017年第4期1144-1149,共6页
Acta Energiae Solaris Sinica
基金
国家自然科学基金(51576135)
关键词
铝颗粒
超声波空化
制氢
储氢
aluminum particle
ultrasonic cavitation
hydrogen production
hydrogen storage
