Scale-up of milling in a 100 L device for processing of TiFeMn alloy for hydrogen storage applications
Procedure and characterization
Publication date
2019-10-31
Document type
Forschungsartikel
Author
Bellosta von Colbe, José M.
Capurso, Giovanni
Franz, Andreas
Benz, Hans Ulrich
Zoz, Henning
Dornheim, Martin
Organisational unit
Publisher
Elsevier
Series or journal
International Journal of Hydrogen Energy
ISSN
Periodical volume
44
Periodical issue
55
First page
29282
Last page
29290
Part of the university bibliography
✅
Language
English
Keyword
Mechanical milling
Industrial Application
Scale-up
TiFe
Hydrides
Hydrogen storage
Abstract
In this work, the mechanical milling of a FeTiMn alloy for hydrogen storage purposes was performed in an industrial milling device. The TiFe hydride is interesting from the technological standpoint because of the abundance and the low cost of its constituent elements Ti and Fe, as well as its high volumetric hydrogen capacity. However, TiFe is difficult to activate, usually requiring a thermal treatment above 400 °C. A TiFeMn alloy milled for just 10 min in a 100 L industrial milling device showed excellent hydrogen storage properties without any thermal treatment. The as-milled TiFeMn alloy did not need any activation procedure and showed fast kinetic behavior and good cycling stability. Microstructural and morphological characterization of the as-received and as-milled TiFeMn alloys revealed that the material presents reduced particle and crystallite sizes, even after such short time of milling. The refined microstructure of the as-milled TiFeMn is deemed to account for the improved hydrogen absorption-desorption properties.
Description
This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Version
Published version
Access right on openHSU
Metadata only access