A method for simulating electrochemical properties of a porous electrode based on three-dimensional pore-scale images and pore network models

The method for simulating the electrochemical properties of porous electrodes based on three-dimensional pore-scale images and pore network models solves the problems of high computational cost and poor scalability in existing technologies, and realizes fast and efficient simulation of the electrochemical properties of porous electrodes on ordinary computing resources, which has the potential for industrial application.

CN122197471APending Publication Date: 2026-06-12ZHEJIANG UNIV
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Patent Information

Application Number
CN202610341580.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-19
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Existing technologies struggle to efficiently simulate the impact of the microstructure of porous electrodes on electrochemical processes in lithium-ion batteries. Furthermore, traditional methods suffer from high computational costs and poor scalability, making accurate simulations at the full-cell scale difficult.

Method used

A method for simulating the electrochemical properties of porous electrodes based on three-dimensional pore-scale images and pore network models is adopted. The pore network structure connecting pores and throats is extracted by the maximum inscribed sphere method, and the governing equations are derived by combining the finite element method. Parameter settings and simulation calculations are then performed.

Benefits of technology

It significantly improves computational efficiency and reduces computational complexity, enabling large-scale, long-term simulations to be completed quickly on ordinary computing resources, reducing reliance on high-performance computing clusters, and possessing industrial application value.

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Abstract

The application discloses a kind of based on three-dimensional pore scale image and pore network model Porous electrode electrochemical property simulation method, belong to the electrochemical property simulation technical field of Porous electrode.The method includes: obtaining three-dimensional pore scale image of Porous electrode material;Three-dimensional pore scale image pore network extraction;Pore network model control equation construction;Pore network model parameter setting;Pore network model simulation calculation.The application constructs pore network model control equation and carries out simulation calculation to the electrochemical property of Porous electrode.The method proposed in the application can significantly improve the calculation efficiency of the electrochemical property simulation of Porous electrode under the premise of ensuring simulation accuracy, and the calculation speed can be improved by several orders of magnitude compared with the traditional finite element method.The application proposes a kind of based on three-dimensional pore scale image and pore network model Porous electrode electrochemical property simulation method, which provides a feasible technical means for large-scale application and rapid decision-making in industry.
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