国际氢能燃料电池协会

The purpose of this standard is to regulate the evaluation methods for activation levels. The rapid activation methods for fuel cell stacks are of significant importance for the large-scale production of the entire fuel cell industry, as they directly affect the performance and cost of fuel cells. However, the stack activation method of various manufacturers is not unified, and it is vague on the definition of activation effectiveness of proton exchange membrane fuel cell, which impacts the assessment from the customers downstream. Therefore, to address this gap, it is necessary to provide a suggestion for the activation method and establish scientifically reasonable standards for determining activation levels.

This standard specifies an evaluation method of activation effectiveness for proton exchange membrane fuel cell stacks. This standard is applicable to various proton exchange membrane fuel cell stacks to be activated.

This standard first specifies the activation target, test platform, activation environment, and the evaluation process for the degree of activation. Next, it provides recommended standard activation operating conditions, including cyclic current, cyclic voltage, intermittent oxygen starvation, etc., while also allowing activation under customized operating conditions. During the activation process, changes in the average single-cell voltage at a specified current density (or changes in current density at a specified operating voltage), high-frequency impedance changes, and the duration of the operation are recorded before and after each activation cycle. Finally, a comprehensive evaluation standard for the degree of activation is proposed, based on the performance change rate, internal resistance change rate, and operation duration.

The IHFCA Standard of “Evaluation Method for the Activation Degree of Proton Exchange Membrane Fuel Cell Stack” has initiated the process for application to participate in its drafting. We sincerely invite relevant enterprises, research institutions, and experts in the industry to actively participate in the formulation of the standard, working together to advance the global standardization of the hydrogen energy and fuel cell industry.