DISCRETIZED MODELING METHOD FOR ELECTROOSMOTIC DRAG EFFECT ON WATER TRANSPORT IN FUEL CELL

• Main Authors: CHEN GUANG, JIAO DAOKUAN, WANG RUIDI, WANG XIAOBING, HAO DONG, YANG ZIRONG, LI YAN, ZHANG YANYI
• Format: Patent
• Language: English; Japanese
• Published: 16.11.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

To provide a discretized modeling method for an electroosmotic drag effect on water transport in a fuel cell.SOLUTION: A discretized modeling method includes the steps of establishing a transport equation for membrane water inside a fuel cell, discretizing for the complete electro-osmotic drag effect, obtaining a complete electroosmotic drag effect discretized simulation model on the basis of the discretization result, solving the membrane water transport equation, and building a discretized simulation model of the electroosmotic drag effect of water transport in the fuel cell.EFFECT: The discretized modeling method of the present application helps improve the reliability of a fuel cell simulation technology and significantly reduces experimental costs and product development cycles.SELECTED DRAWING: Figure 1 【課題】燃料電池における水輸送の電気浸透性抗力効果の離散化モデリング方法を提供する。【解決手段】燃料電池内部の膜水の輸送方程式を確立するステップと、完全な電気浸透性抗力効果に対して離散化を行うステップと、離散化の結果に基づいて、完全な電気浸透性抗力効果の離散化シミュレーションモデルを取得するステップと、膜水の輸送方程式を解き、燃料電池における水輸送の電気浸透性抗力効果の離散化シミュレーションモデルを構築するステップとを含む。【効果】本願の離散化モデリング方法は、燃料電池シミュレーション技術の信頼性の向上を促進し、実験コスト及び製品開発周期を大幅に低下させる。【選択図】図１