为了研究阳极压降对质子交换膜燃料电池(PEMFC)发电效率的影响，提出

In order to study the influence of anode pressure drop on the power generation efficiency of the proton exchange membrane fuel cell (PEMFC), a numerical model of the power generation efficiency (GE) of the proton exchange membrane fuel cell was proposed. The GE model theoretically explores the passage of water in the MEA Ionic conductivity is a physical parameter to connect the characteristic relationship between relative humidity, anode voltage drop and power generation efficiency. The model is imported into the Fluent simulation software for modeling through a custom function (UDF), and the Fluent simulation software is used to complete The simulation calculation of the battery stack with different operating conditions parameters is presented. A comparative analysis of GE model, Fluent model and test data shows that when the battery operating temperature is 60 ℃, the working range of current density is 0-400 mA/cm2, the stoichiometric ratio of Yin and Yang is 2:1, and Yin and Yang are two levels. When the relative humidity of the intake air is 100%, there is only a 1.34% error between the accuracy of the GE model and the test data; when the power density increases to 47W·cm-2, the maximum power generation efficiency is 45.338%.

In order to study the effect of anode pressure drop on the power generation efficiency of proton exchange membrane fuel cell (PEMFC), a numerical model of proton exchange membrane fuel cell power generation efficiency (GE) is proposed, and the GE model theoretically explores the physical parameter of ion conductivity during MEA water transmission. To link the characteristic relationship between relative humidity, anode pressure drop and power generation efficiency, the model is imported into TheFluent simulation software to model through custom functions (UDF), and the simulation calculation of the battery stack is completed by using the Fluent simulation software. A comparative analysis of GE models, Fluent models and test data shows that when the battery operating temperature is 60 degrees C, the current density operating range is 0-400 mA/cm2, the yin and yang chemical metering ratio is 2:1, and the yin and yang levels When the relative humidity of the air infested is 100%, there is only 1.34% error between the accuracy of the GE model and the test data, and when the power density is increased to 47W.cm-2, the maximum power generation efficiency is 45.338%.

In order to study the effect of anode voltage drop on the power generation efficiency of proton exchange membrane fuel cell (PEMFC), a numerical model of power generation efficiency (GE) of proton exchange membrane fuel cell (PEMFC) was proposed. The Ge model theoretically explored the relationship between relative humidity, anode voltage drop and power generation efficiency through the physical parameter of ionic conductivity in the process of MEA water transmission Function (UDF) imported the model into fluent simulation software for modeling, and used fluent simulation software to complete the simulation calculation of battery stack under different operating conditions. The Ge model, fluent model and test data were compared and analyzed. The results showed that when the working temperature of the battery was 60 ℃, the working range of current density was 0-400 MA / cm2, the stoichiometric ratio of the positive and negative stages was 2:1, and the relative humidity of the inlet air of the two stages was 100%, the accuracy of the Ge model only existed with the test data When the power density increases to 47 w · cm-2, the maximum generation efficiency is 45.338%.