Pressure of H in Pd Lattice: Calculation & Analysis

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In summary, the conversation is about the absorption of hydrogen by palladium and the calculation of the pressure exerted on the hydrogen while it is inside the lattice structure of the palladium. The question is clarified and a source for further information is provided.
  • #1
Brad_Ad23
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I have a somewhat unique question here.

I know that [tex]Pd[/tex] is a very good absorper of hydrogen. My question is, supposing you start with a given volume of [tex]Pd[/tex] and a given volume of [tex]H[/tex] or even [tex]H_2[/tex] and it is absorped by the [tex]Pd[/tex] is it possible to calculate the pressure that the hydrogen is under while it is inside the lattice structure of the [tex]Pd[/tex]?
 
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  • #2
Try rephrasing your question; you want to know something about hydrogen in palladium, but as stated, it's not clear just what.
 
  • #3
I wish to know the pressure that the hydrogen is under when it is absorped by the palladium. A given volume of [tex]Pd[/tex] will absorp a given amount of hydrogen. Since the volume of the [tex]Pd[/tex] remains constant, there must be a pressure exerted on the hydrogen to keep it within. I wish to know how to calculate that pressure.
 
  • #4
Wolf, et al. (1993) "Pressure-composition isotherms for palladium hydride." Phys. Rev. B. 48: 12415 - 12418.

You can start here and refine as needed.

Heh.
 
  • #5
Thanks.
 

1. What is the significance of studying the pressure of hydrogen in a palladium (Pd) lattice?

The pressure of hydrogen in a Pd lattice is an important factor to consider in various industrial and scientific applications. Pd is known to have a high affinity for hydrogen, making it an ideal candidate for hydrogen storage and purification. Understanding the pressure of hydrogen in Pd can also provide insights into the properties and behavior of other metal hydrides, which are important for fuel cell and battery technologies.

2. How is the pressure of hydrogen in a Pd lattice calculated?

The pressure of hydrogen in a Pd lattice can be calculated using the ideal gas law, which relates the pressure, volume, temperature, and number of moles of a gas. In this case, the number of moles of hydrogen can be determined from the amount of hydrogen absorbed in the Pd lattice, and the volume can be approximated from the lattice parameters of Pd.

3. What factors can affect the pressure of hydrogen in a Pd lattice?

The pressure of hydrogen in a Pd lattice can be influenced by various factors, such as temperature, hydrogen concentration, and defects in the lattice structure. Changes in these factors can cause the pressure of hydrogen to increase or decrease, which can affect the performance and stability of Pd-based materials in hydrogen storage and purification applications.

4. How is the pressure of hydrogen in a Pd lattice analyzed?

The pressure of hydrogen in a Pd lattice can be analyzed through various techniques, such as X-ray diffraction (XRD) and Raman spectroscopy. XRD can provide information on the lattice parameters and hydrogen occupation in the Pd lattice, while Raman spectroscopy can detect changes in the vibrational modes of the lattice due to the presence of hydrogen. These methods can help determine the pressure of hydrogen in a Pd lattice and its effects on the lattice structure.

5. What are the potential applications of understanding the pressure of hydrogen in a Pd lattice?

Understanding the pressure of hydrogen in a Pd lattice can have various applications in fields such as energy storage, fuel cells, and hydrogen production. By studying the pressure of hydrogen in Pd, we can improve the design and performance of Pd-based materials for hydrogen storage and purification, as well as gain insights into the behavior of other metal hydrides. This knowledge can also contribute to the development of more efficient and sustainable energy technologies that rely on hydrogen as a clean fuel source.

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