您的瀏覽器版本已過時。我們建議您更新瀏覽器到最新版本。

研發成果 >> New Research

 

Pheophytin-a Hydrogen adsorption and release experiments


 

Motivated by previous 1st-principle quantum mechanical simulations, different pheophytin (or, pheo) extracts were put to test on their capability in adsorbing and releasing hydrogen gas under the normal atmospheric pressure condition. It turned out that:

1. The H2 adsorption rates for two different experimental pheo samples, P and P200, in the specific applied quantities, were about 20 % under room conditions.

2. More pheo quantities would be required to result in more H2 adsorption without having to resort to high pressure and freezing temperature.

3. The H2 release rates from being adsorbed ranged from 35 to 45 %.

4. From the above, this “pheo-bucket” for hydrogen gas storage and release offers active or effective volume of about 20% x 35-45% = 7-9%. In other words, to store and release 100 % volume of H2, about 10 times the amount of pheo used in the above had to be employed for the task. This is feasible since pheo is light-weight, low volume and cheap.

 

 

連結:詳閱