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High-cycling-capacity ZrCo-based hydrogen isotope storage alloy as well as preparation and application thereof

A hydrogen isotope and cycle capacity technology, applied in the direction of hydrogen, non-metallic elements, chemical instruments and methods, etc., can solve the problems of poor cycle stability and achieve the effect of simple steps, promotion of application and promotion, and high hydrogen discharge capacity

Active Publication Date: 2021-01-15
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Aiming at the disadvantages of generally poor cycle stability of ZrCo-based hydrogen isotope storage alloys in the prior art, the present invention provides a ZrCo-based hydrogen isotope storage alloy with high cycle capacity

Method used

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  • High-cycling-capacity ZrCo-based hydrogen isotope storage alloy as well as preparation and application thereof
  • High-cycling-capacity ZrCo-based hydrogen isotope storage alloy as well as preparation and application thereof
  • High-cycling-capacity ZrCo-based hydrogen isotope storage alloy as well as preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Alloy chemical composition is Zr 0.9 Nb 0.1 co 0.9 Ni 0.1 , according to the chemical formula of the above-mentioned hydrogen isotope storage alloy, calculate the addition amount of Zr, Nb, Co, Ni elemental raw materials. Among them, the purity of the used Zr, Nb, Co, and Ni raw materials all reach above 99%. The above-mentioned raw materials are weighed according to the calculated addition amount after being cleaned and dried. Put the weighed raw materials in the water-cooled copper crucible of the magnetic levitation induction melting furnace. After evacuating to a vacuum degree of 0.9 Nb 0.1 co 0.9 Ni 0.1 The hydrogen isotope storage alloy ingot is the hydrogen isotope storage alloy.

Embodiment 2

[0041] Alloy chemical composition is Zr 0.8 Nb 0.2 co 0.8 Ni 0.2 , according to the chemical formula of the above-mentioned hydrogen isotope storage alloy, calculate the addition amount of Zr, Nb, Co, Ni elemental raw materials. Among them, the purity of the used Zr, Nb, Co, and Ni raw materials all reach above 99%. The above-mentioned raw materials are weighed according to the calculated addition amount after being cleaned and dried. The weighed sample is placed in the water-cooled copper crucible of the magnetic levitation induction melting furnace, and after being evacuated to a vacuum degree of 0.8 Nb 0.2 co 0.8 Ni 0.2 The hydrogen isotope storage alloy ingot is the hydrogen isotope storage alloy.

Embodiment 3

[0043] Alloy chemical composition is Zr 0.7 Nb 0.3 co 0.7 Ni 0.3 , according to the chemical formula of the above-mentioned hydrogen isotope storage alloy, calculate the addition amount of Zr, Nb, Co, Ni elemental raw materials. Among them, the purity of the used Zr, Nb, Co, and Ni raw materials all reach above 99%. After the above raw materials are cleaned and dried, they are weighed according to the calculated addition amount. The weighed sample is placed in the water-cooled copper crucible of the magnetic levitation induction melting furnace, and after being evacuated to a vacuum degree of 0.7 Nb 0.3 co 0.7 Ni 0.3 The hydrogen isotope storage alloy ingot is the hydrogen isotope storage alloy.

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Abstract

The invention discloses a high-cycling-capacity ZrCo-based hydrogen isotope storage alloy, preparation of the alloy and application of the alloy to storage, supply and recovery of hydrogen isotopes. The chemical general formula of the high-cycling-capacity ZrCo-based hydrogen isotope storage alloy is Zr(1-x)NbxCo(1-y)Niy, wherein x is larger than 0 but smaller than or equal to 0.5, and y is largerthan 0 but smaller than or equal to 0.5. A preparation method of the alloy includes the following steps that (1) Zr, Nb, Co and Ni elementary substance raw materials are mixed according to the proportion in the chemical general formula and then are placed into a magnetic suspension induction smelting furnace; and (2) smelting, cooling and solidifying are performed under the protection of an argonatmosphere to prepare the high-cycling-capacity ZrCo-based hydrogen isotope storage alloy. The method is simple in step and high in safety, the prepared hydrogen isotope storage alloy is not requiredto be subjected to vacuum operation in the circulation process, the method is still applicable in complex hydrogen isotope scenes, and the method has long-term significance in promoting application and popularization of the ZrCo-based alloy in the field of hydrogen isotope storage.

Description

technical field [0001] The invention relates to the technical field of hydrogen isotope storage and supply, in particular to a ZrCo-based hydrogen isotope storage alloy with high circulation capacity and its preparation and application. Background technique [0002] The exploitation and use of traditional fossil energy have caused energy crisis and environmental pollution, two difficult problems to solve. Therefore, the development of clean energy that is pollution-free, renewable and highly utilizable has become the main theme in the field of energy research. [0003] Deuterium-tritium nuclear fusion reaction can release huge energy, and it has the characteristics of clean, safe and efficient. In view of this, countries around the world have jointly built the International Thermonuclear Experimental Reactor (ITER) to further explore controllable nuclear fusion technology. During the operation of the reactor, the outside world needs to supply or recover hydrogen isotope gas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C30/00C01B3/00C22C1/02
CPCC01B3/0031C22C1/02C22C30/00Y02E60/32
Inventor 陈立新姚振东肖学章梁赵青范修林
Owner ZHEJIANG UNIV
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