Towards a 3D-resolved model of Si/Graphite composite electrodes from manufacturing simulations

نویسندگان

چکیده

Composite graphite/silicon (Si) electrodes with low Si weight percentages are considered as a promising anode for next generation Li-ion batteries. In this context, understanding the mesostructural changes due to volume expansion and complex electrochemical interplay between graphite becomes crucial unlock real-life applications of such composite electrodes. This work presents, first time, three-dimensional (3D) physics-based model graphite/Si electrodes, coupling electrochemistry mechanics, using input electrode mesostructures obtained from manufacturing-related Coarse-Grained Molecular Dynamics models. The slurry dried mesostructure generated by considering additives only, while is included in an additional step. herein presented step further into obtaining fundamental processes happening paving way towards their optimization.

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ژورنال

عنوان ژورنال: Journal of Power Sources

سال: 2021

ISSN: ['1873-2755', '0378-7753']

DOI: https://doi.org/10.1016/j.jpowsour.2021.230486