US 12,204,827 B2
Method for establishing electrochemical model for ion battery
Enhai Zhao, Shanghai (CN); Xiao Yan, Shanghai (CN); Xiaohua Chen, Shanghai (CN); Danfei Gu, Shanghai (CN); Pingchao Hao, Shanghai (CN); Pei Song, Shanghai (CN); Peng Ding, Shanghai (CN); and Weikun Wu, Shanghai (CN)
Assigned to SHANGHAI MAKESENS ENERGY STORAGE TECHNOLOGY CO., LTD., Shanghai (CN)
Appl. No. 18/562,340
Filed by Shanghai Makesens Energy Storage Technology Co., Ltd., Shanghai (CN)
PCT Filed May 30, 2023, PCT No. PCT/CN2023/097220
§ 371(c)(1), (2) Date Nov. 20, 2023,
PCT Pub. No. WO2023/246445, PCT Pub. Date Dec. 28, 2023.
Claims priority of application No. 202210727081 (CN), filed on Jun. 24, 2022.
Prior Publication US 2024/0273258 A1, Aug. 15, 2024
Int. Cl. G06F 30/20 (2020.01); G06F 17/12 (2006.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01); H01M 10/0563 (2010.01); H01M 10/0583 (2010.01)
CPC G06F 30/20 (2020.01) [G06F 17/12 (2013.01); H01M 4/661 (2013.01); H01M 10/0525 (2013.01); H01M 10/0563 (2013.01); H01M 10/0583 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A method for establishing an electrochemical model for an ion battery, wherein the ion battery comprises a negative electrode region, a positive electrode region, and a diaphragm arranged between the negative electrode region and the positive electrode region, the negative electrode region comprises a negative electrode current collector, a negative electrode liquid phase and a negative electrode solid phase, and the positive electrode region comprises a positive electrode current collector, a positive electrode liquid phase and a positive electrode solid phase, wherein the method comprises:
defining negative electrode parameters for describing a solid-liquid interface structure between the negative electrode liquid phase and the negative electrode solid phase in the negative electrode region and positive electrode parameters for describing a solid-liquid interface structure between the positive electrode liquid phase and the positive electrode solid phase in the positive electrode region;
establishing a partial differential equation set and a boundary condition for describing a charging process and a discharging process of the ion battery based on the negative electrode parameters and the positive electrode parameters; and
solving the partial differential equation set to establish the electrochemical model for the ion battery; wherein
each of the solid-liquid interface structure in the negative electrode region and the solid-liquid interface structure in the positive electrode region is a folded structure and comprises a plurality of repeated folded substructures.