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Photocatalytic generation of hydrogen coupled with in-situ hydrogen storage
International Journal of Hydrogen Energy ( IF 8.1 ) Pub Date : 2019-03-28 , DOI: 10.1016/j.ijhydene.2019.02.221
Yun Hau Ng , Kondo-Francois Aguey-Zinsou

To date, hydrogen generation and storage are two separated processes. We report on a new concept where photocatalytically generated hydrogen is simultaneously stored in-situ within the material photo-generating hydrogen. To this aim, we successfully synthesised a “forest” of vertically aligned TiO2 nanotubes decorated with Pd nanoparticles acting as the hydrogen store. Upon illumination of TiO2, hydrogen was effectively generated and full storage of hydrogen within the Pd nanostructures was achieved within 100 min. This result demonstrates new avenues on the possibility of designing hybrid nanostructures for the effective use of hydrogen as an energy vector.



中文翻译:

氢的光催化生成与原位储氢

迄今为止,氢气的产生和存储是两个分开的过程。我们报告了一个新概念,其中光催化产生的氢同时在原位产生光的氢内原位存储。为此,我们成功地合成了一个垂直排列的TiO 2纳米管的“森林”,其中装饰有用作储氢剂的Pd纳米颗粒。在TiO 2照射下,有效地产生了氢,并在100分钟内实现了Pd纳米结构中氢的完全存储。该结果表明了设计杂化纳米结构以有效利用氢作为能量载体的可能性的新途径。

更新日期:2019-10-23
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