1900

A Review for Consistent Analysis of Hydrogen Permeability through Dense Metallic Membranes

Abstract

The hydrogen permeation coefficient (ϕ) is generally used as a measure to show hydrogen permeation ability through dense metallic membranes, which is the product of the Fick’s diffusion coefficient (D) and the Sieverts’ solubility constant (K). However, the hydrogen permeability of metal membranes cannot be analyzed consistently with this conventional description. In this paper, various methods for consistent analysis of hydrogen permeability are reviewed. The derivations of the descriptions are explained in detail and four applications of the consistent descriptions of hydrogen permeability are introduced: (1) prediction of hydrogen flux under given conditions, (2) comparability of hydrogen permeability, (3) understanding of the anomalous temperature dependence of hydrogen permeability of Pd-Ag alloy membrane, and (4) design of alloy composition of non-Pd-based alloy membranes to satisfy both high hydrogen permeability together with strong resistance to hydrogen embrittlement.

Funding source: CREST project (No. JPMJCR1443) Japan Science and Technology Agency (JST); KAKENHI (No. JP19H02454) Japan Society for the Promotion of Science (JSPS)
Countries: Japan
Loading

Article metrics loading...

/content/journal1762
2020-06-10
2021-07-24
http://instance.metastore.ingenta.com/content/journal1762
Loading
This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error