Ti-Fe-Mn-Ce-Zr-based hydrogen storage alloy with high volume capacity and easy activation and preparation method of Ti-Fe-Mn-Ce-Zr-based hydrogen storage alloy

By optimizing the composition and pressing process of Ti-Fe-based alloys, Mn, Ce, and Zr were introduced to form a multiphase structure, which solved the problems of insufficient activation and heat dissipation performance of Ti-Fe-based alloys, achieved efficient hydrogen storage and rapid activation, and has good industrial application prospects.

CN120776180AActive Publication Date: 2025-10-14INNER MONGOLIA UNIV OF TECH
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Patent Information

Application Number
CN202511292084.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-11
Publication Date
2025-10-14
Estimated Expiration
2045-09-11

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Abstract

The invention belongs to the technical field of solid hydrogen storage, and particularly relates to a Ti-Fe-Mn-Ce-Zr-based hydrogen storage alloy high in volume capacity and easy to activate and a preparation method of the Ti-Fe-Mn-Ce-Zr-based hydrogen storage alloy, the specific composition of the hydrogen storage alloy is Ti < 1 > Fe < 0.9 > Mn < 0.1 > Ce < x > Zr < y >, x is any one of 0.02, 0.04 and 0.06, and y is any one of 0.02 and 0.06. By optimizing alloy components, transition elements Mn and Zr and a rare earth element Ce are added into the AB type hydrogen storage alloy TiFe, the rare earth element Ce exists in the form of an independent phase, and the transition elements Zr and Mn partially replace elements on the A side and the B side respectively, so that second phases Ce, CeO and ZrMn2 appear in a TiFe matrix, and the activation performance of the Ti-Fe-based alloy is remarkably improved.
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Citation Information

Patent Citations

  • Preparation method of Ti-Mn-based hydrogen storage alloy containing rare earth element Ce

    CN117987676A

  • Porous-based hydrogen storage alloy and preparation method thereof

    CN118147475A

  • Ab5-type based hydrogen storage alloys, methods of preparation and uses thereof

    EP4129534A1

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