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Method for testing performance of fuel cell stack

A fuel cell stack and test method technology, which is applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve the problems affecting the test method and evaluation index of the fuel cell stack for vehicles, and achieve convenient testing and analysis, good real performance , to ensure the effect of effective evaluation

Pending Publication Date: 2021-08-10
CHINA AUTOMOTIVE TECH & RES CENT +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no domestic test method and evaluation index for how to affect the vehicle fuel cell stack.

Method used

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  • Method for testing performance of fuel cell stack
  • Method for testing performance of fuel cell stack
  • Method for testing performance of fuel cell stack

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Embodiment Construction

[0020] It should be noted that the features and embodiments in the present invention can be combined with each other in the case of an unable conflict.

[0021] In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "horizontal", "upper", "lower", "front", "post", "left", "right", " Vertical "," horizontal "," top "," bottom "," inside "," outside ", etc., is intended to facilitate the description of the present invention and simplified description, rather than indicating or implied The device or element must have a specific orientation, constructed and operated in a particular orientation, and thus is not to be construed as limiting the invention. Moreover, the terms "first", "second", etc. are only used to describe purposes, and cannot be understood as an indication or implies relative importance or implicitly indicated the number of techniques indicated. Thus, a feature of "first", "second", or the like, can be expressed or ...

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Abstract

The invention provides a method for testing the performance of a fuel cell stack. The method comprises the following steps of: connecting a fuel cell stack with a fuel cell stack test bench, and sequentially carrying out scanning tests on the stoichiometric ratio of fuel, the stoichiometric ratio of air, the flow velocity of a coolant, the cathode inlet pressure and the anode inlet pressure. By measuring different parameters and analyzing the polarization curve, the influence of different parameters on the performance of the fuel cell stack can be obtained, and the performance of the fuel cell stack can be better reflected. According to the scheme, the performance characteristics of the fuel cell stack can be fully embodied, a more comprehensive and more accurate test method for measuring the performance of the vehicle fuel cell stack is provided, an operator can test and analyze a sample more conveniently, and a data result can better embody the real performance of the fuel cell stack.

Description

Technical field [0001] The present invention belongs to the technical field of vehicle fuel cells, in particular, to a test method of fuel cell heap performance. Background technique [0002] Fuel battery stacks as an important power source of fuel cell vehicles, and their performance directly affects the power and life of the whole vehicle. Since the fuel cell stack is used by electrochemical reactions, the particularity of itself is very obvious by the external environment, in order to improve the life of the vehicle and reduce its performance attenuation, test the parameters sensitivity of the fuel cell stack. Avoid utilizing the unfavorable working conditions of the fuel cell stack during the energy control strategy to effectively improve the life and reliability of the fuel cell car. At present, there have been no test methods and evaluation indicators that affect the vehicle fuel cell heap test. Inventive content [0003] In view of this, the present invention aims to prop...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/378G01R31/382G01R31/396
CPCG01R31/378G01R31/382G01R31/396
Inventor 郭婷王芳梁荣亮王晓辉王志军杨清凯郭瑞玲聂振宇
Owner CHINA AUTOMOTIVE TECH & RES CENT