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Test method of metal hydride thermal adsorption and desorption of hydrogen cycle life and special device thereof

A technology of hydrogen storage alloy and testing method, which is applied in the direction of analyzing materials and instruments, and can solve the problem of not being able to test the high and low temperature heat-induced hydrogen absorption and desorption cycle performance of hydrogen storage alloys.

Inactive Publication Date: 2012-01-25
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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Problems solved by technology

However, neither of the above two patents has tested the ability of hydrogen storage alloys to perform high and low temperature thermal adsorption and desorption cycle performance.

Method used

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  • Test method of metal hydride thermal adsorption and desorption of hydrogen cycle life and special device thereof
  • Test method of metal hydride thermal adsorption and desorption of hydrogen cycle life and special device thereof
  • Test method of metal hydride thermal adsorption and desorption of hydrogen cycle life and special device thereof

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Embodiment Construction

[0066] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0067] like figure 1 As shown, the gas circulation system of the system is composed of high-pressure high-purity hydrogen cylinder (1), pressure reducing valve (2), filter (3), electric valve (4, 5), manual valve (8) and pipeline connection . The specific connection is: the high-pressure high-purity hydrogen cylinder (1) is connected to the first openable interface of the electric three-way valve (4) after the pressure reducing valve (2) and the filter (3), and the first openable interface of the electric three-way valve (4) The second openable interface is connected with the normally open interface of the electric three-way valve (5), the first openable interface of the electric three-way valve (5) is connected with the air inlet of the one-way valve (6), and the one-way valve ( 6) The gas outlet is connected to the atmospheric exhaust port, and the second openable...

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Abstract

The invention discloses a test method of metal hydride thermal adsorption and desorption of hydrogen cycle life and a special device thereof. The test device consists of a gas cycling system, a sample chamber heating and cooling system and a computer data collection and control system. The gas cycling system provides a vacuum environment and high-purity hydrogen source to the test system; the sample chamber heating and cooling system rapidly and circularly heats and cools the test sample; and the computer data collection and control system controls a heating and cooling program to run and controls the opening and closing of relevant electromagnetic valve and electric valve and instantly collect the pressure and temperature signal of the system. While completing the test of the cycle of the metal hydride thermal adsorption and desorption of hydrogen, the system also can test the alloy adsorption and desorption hydrogen performance such as PCT curve and dynamics curve and the constant-temperature adsorption and desorption hydrogen service life in situ.

Description

technical field [0001] The invention relates to a material performance testing method and testing equipment thereof, in particular to a testing method and testing equipment for the heat-induced hydrogen desorption cycle life of hydrogen storage alloys. Background technique [0002] At present, in order to solve the energy crisis and protect the environment, the utilization of hydrogen energy has become a hot issue in material science research. Hydrogen has the advantages of high calorific value per unit mass, wide sources, clean and efficient, etc. However, there are still problems in the large-scale application of hydrogen energy, such as hydrogen production, storage, and safety assurance. Hydrogen storage alloys have the advantages of large hydrogen storage capacity, high energy density, safety and convenience, and are considered to be one of the effective means of storing and transporting hydrogen energy in the future. In the process of hydrogen storage, it is always nec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N7/04
Inventor 陈伟程宏辉李慎兰罗刚韩兴博陈德敏刘实杨柯
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
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