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Experimental method for reducing hydrogen absorption expansion stress of hydrogen storage alloy powder

A hydrogen storage alloy and expansion stress technology, which is applied in the direction of analyzing materials and instruments, can solve problems affecting the safety of use, and achieve the effects of increasing efficiency and safety, reducing expansion stress, and reducing expansion stress

Inactive Publication Date: 2019-07-05
CHINA JILIANG UNIV
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  • Summary
  • Abstract
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  • Application Information

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Problems solved by technology

The hydrogen storage alloy powder will generate expansion stress during the activation process, and its expansion stress will affect the airtight container storing the hydrogen storage alloy powder and pose a risk of safety in use

Method used

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  • Experimental method for reducing hydrogen absorption expansion stress of hydrogen storage alloy powder
  • Experimental method for reducing hydrogen absorption expansion stress of hydrogen storage alloy powder
  • Experimental method for reducing hydrogen absorption expansion stress of hydrogen storage alloy powder

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Experimental program
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Embodiment

[0048] like Figure 1-9 As shown, an experimental method of reducing hydrogen absorption expansion stress of hydrogen storage alloy powder in this embodiment includes the following steps:

[0049] S1. Conduct experiments to verify the relationship between the inorganic silicone oil and the expansion stress generated during the hydrogen absorption process of the hydrogen storage alloy powder 1;

[0050] S2. Carry out experiment 2 based on S1, verify and obtain the percentage of inorganic silicone oil that has an optimal effect on the expansion stress generated during the hydrogen absorption process of hydrogen storage alloy powder 1, and the percentage of inorganic silicone oil is the weight ratio of inorganic silicone oil to hydrogen storage alloy powder 1 Compare.

[0051] In this embodiment, Experiment 1 includes the following steps:

[0052] S1.1. Activate hydrogen storage alloy powder 1 uniformly mixed with inorganic silicone oil and hydrogen storage alloy powder 1 not m...

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Abstract

The invention discloses an experimental method for reducing hydrogen absorption expansion stress of hydrogen storage alloy powder. The experimental method comprises the steps of: S1, performing an experiment 1 and verifying an interaction relationship between inorganic silicone oil and expansion stress generated in the hydrogen absorption process of the hydrogen storage alloy powder; S2, and conducting an experiment 2 based on the S1, and verifying to obtain an inorganic silicone oil percentage with the optimized effect on the expansion stress generated in the hydrogen absorption process of the hydrogen storage alloy powder, wherein the inorganic silicone oil percentage is a weight ratio of the inorganic silicone oil to the hydrogen storage alloy powder. Through adopting the experimental method for reducing the hydrogen absorption expansion stress of the hydrogen storage alloy powder, an effective measure for reducing the hydrogen absorption expansion stress of the hydrogen storage alloy powder is obtained, and is applied to the actual production operation, thereby increasing the efficiency and safety of the actual production operation.

Description

technical field [0001] The invention relates to the field of performance testing of hydrogen storage alloys, in particular to an experimental method for reducing hydrogen absorption expansion stress of hydrogen storage alloy powder. Background technique [0002] Hydrogen storage alloy is a new type of alloy that can absorb hydrogen under certain conditions and release hydrogen under certain conditions. It has excellent cycle life performance. Using its reversible hydrogen absorption and desorption characteristics and accompanying thermal effects, hydrogen storage alloys can be used in many occasions , for example, as a hydrogen storage material to solve the storage, transportation and use of hydrogen. When the hydrogen storage alloy is used for hydrogen storage, the hydrogen storage alloy powder is usually filled into a closed container, and then the hydrogen storage alloy powder is activated. The hydrogen storage alloy powder will generate expansion stress during the activ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N7/04
CPCG01N7/04
Inventor 黄岳祥秦来顺陈达
Owner CHINA JILIANG UNIV
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