Hydrogen storage alloy PCT curve testing device and method

Abstract

The invention belongs to the technical field of material performance detection, and relates to a hydrogen storage alloy PCT curve testing device and method. The hydrogen storage alloy PCT curve testing device comprises a sample room, a gas pipeline and a data collection system. The sample room and a pressure sensor are arranged on a main pipeline, threaded holes are formed in the flange of the sample room and connected with a k-type thermocouple which is arranged separately with a hydrogen inlet and a hydrogen outlet, and the outer part of the sample room is connected with a heating device anda cooling device through threads. One end of the main pipeline is correspondingly connected with a hydrogen cylinder and a helium cylinder through a throttle valve and a solenoid valve; the other endof the main pipeline is correspondingly connected with a vacuum gauge and atmosphere through the throttle valve and the solenoid valve, and the vacuum gauge is connected with a vacuum pump; and the pressure sensor is directly connected with the main pipeline. According to the hydrogen storage alloy PCT curve testing device and method, the internal temperature of the sample room can be rapidly heated and reduced and accurately measured, thus the time required for activation of the hydrogen storage alloy is saved, the whole set of the device is high in test efficiency, accurate in test, simplein structure, convenient in operation, and is safe and reliable.

Description

technical field [0001] The invention belongs to the technical field of material performance detection, and in particular relates to a hydrogen storage alloy PCT curve test device and method. Background technique [0002] The main energy sources in the world today are fossil fuels such as coal, oil, and natural gas. The disadvantages of burning fossil fuels as energy supply media have been raised for many years. On the one hand, fossil fuels have limited reserves and are non-renewable resources; on the other hand, long-term Years of fossil fuel burning has caused the global ecological environment to continue to deteriorate. For the sustainable development of mankind, it is necessary to actively develop new energy sources while saving energy. [0003] As a clean, green, extensive, and high-energy-density secondary energy, hydrogen energy is abundant in reserves and recyclable, and is regarded as an important bridge connecting fossil energy and renewable energy. Today, with t...

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Problems solved by technology

[0004] At present, the hydrogen storage alloy PCT curve testing device has many deficiencies, such as: (1) Manual test device, the operation steps are cumbersome and prone to mistakes, and the operation of the manual valve is easily damaged due to the force problem, and the data measured during the experiment The experimenter needs to be responsible for the observation and recording, which not only has low test efficiency but also affects the test accuracy and objectivity, and there are large human errors; (2) most of the existing devices for testing alloy properties cannot accurately measure the internal temperature of the sample chamber, and An effective method to accurately measure the internal temperature of the sample chamber is to place a temperature sensor inside the sample chamber, and it is also easy to calibrate the system volume; (3) The temperature of the sample chamber needs to be quickly and conveniently controlled within a certain range. Put it inside the incubator, but the speed of heating and cooling is limited, which seriously affects the accuracy of experimental data

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