T/CES 202-2023 Testing method for performance of fuel cell stack for automotive proton exchange membrane (PEM) fuel cell

Scope

Scope: This document specifies the test methods for the polarization curve, peak power, maximum current loading rate, sensitivity to operating conditions, and static tilt performance of automotive proton exchange membrane fuel cell stacks. This document is applicable to automotive proton exchange membrane fuel cell stacks (hereinafter referred to as "fuel cell stacks"). Main technical content: This document specifies the test methods for the polarization curve, peak power, maximum current loading rate, sensitivity to operating conditions, and static tilt performance of automotive proton exchange membrane fuel cell stacks. (1) Requirements for testing instruments and equipment primarily include the fuel cell stack testing platform and the main measurement devices used on the platform, along with accuracy requirements. (2) Test conditions primarily include the test object, test environment, general safety measures, test termination conditions, and test data requirements. (3) Test methods primarily include general principles, heat engine and activation, polarization curve, rated power, peak power, maximum current loading rate, sensitivity to operating conditions at the rated current point, and static tilt performance testing methods and requirements. It specifies the test method for the polarization curve of proton exchange membrane fuel cell stacks, clarifying the necessary parameters and requirements, including loading methods, number of data points, test duration, parameter recording, and data processing methods. It specifies the test method for the sensitivity to operating conditions of proton exchange membrane fuel cell stacks, including hydrogen mass ratio sensitivity, hydrogen concentration sensitivity, air mass ratio sensitivity, relative humidity of reaction gas sensitivity, coolant temperature sensitivity, coolant temperature difference sensitivity, and inlet pressure sensitivity of reaction gas. It specifies the maximum current loading rate, compression forc

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