微观结构
材料科学
阴极
电池(电)
压延
电极
制作
过程(计算)
计算机模拟
机械工程
计算机科学
复合材料
模拟
电气工程
功率(物理)
工程类
热力学
物理
医学
替代医学
病理
量子力学
操作系统
作者
Dennis Weitze,Franco M. Zanotto,Diana Zapata Dominguez,Alejandro A. Franco
标识
DOI:10.26434/chemrxiv-2024-tqjmw
摘要
Prior to the development of a solid-state battery cell, researchers have limited knowledge about the microstructure of the electrodes and how they are affected by manufacturing. Therefore, numerical simulations can be considered as a powerful tool to link the fabrication process to the final microstructure of the electrode. In this paper, a numerical simulation of a wet-processed solid-state battery cathode with a formulation of 75 % LiNi9Mn0.5Co0.5O2 (NMC), 17.5 %LPSCl, 5 % Timcal C65 and 2.5 % Polyisobutene (PIB) is presented. From nano-computed tomography images, realistic shapes of active material particles are extracted and used in the simulation, which is well-calibrated to experimental data. In particular, we study the effects of calendering on the microstructure of the simulated cathode and deduce structure-property relations.
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