Raphael Schoof
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View article: Elliptical Silicon Nanowire Covered by the SEI in a 2D Chemo‐Mechanical Simulation
Elliptical Silicon Nanowire Covered by the SEI in a 2D Chemo‐Mechanical Simulation Open
Understanding the mechanical interplay between silicon anodes and their surrounding solid‐electrolyte interphase (SEI) is essential to improve the next generation of lithium‐ion batteries. We model and simulate a 2D elliptical silicon nano…
View article: Comparison of different elastic strain definitions for largely deformed SEI of chemo-mechanically coupled silicon battery particles
Comparison of different elastic strain definitions for largely deformed SEI of chemo-mechanically coupled silicon battery particles Open
Amorphous silicon is a highly promising anode material for next-generation lithium-ion batteries. Large volume changes of the silicon particle have a critical effect on the surrounding solid-electrolyte interphase (SEI) due to repeated fra…
View article: Elliptical Silicon Nanowire Covered by the SEI in a 2D Chemo-Mechanical Simulation
Elliptical Silicon Nanowire Covered by the SEI in a 2D Chemo-Mechanical Simulation Open
Understanding the mechanical interplay between silicon anodes and their surrounding solid-electrolyte interphase (SEI) is essential to improve the next generation of lithium-ion batteries. We model and simulate a 2D elliptical silicon nano…
View article: Modeling and simulation of chemo-elasto-plastically coupled battery active particles
Modeling and simulation of chemo-elasto-plastically coupled battery active particles Open
As an anode material for lithium-ion batteries, amorphous silicon offers a significantly higher energy density than the graphite anodes currently used. Alloying reactions of lithium and silicon, however, induce large deformation and lead t…
View article: Comparison of Different Elastic Strain Definitions for Largely Deformed SEI of Chemo-Mechanically Coupled Silicon Battery Particles
Comparison of Different Elastic Strain Definitions for Largely Deformed SEI of Chemo-Mechanically Coupled Silicon Battery Particles Open
Amorphous silicon is a highly promising anode material for next-generation lithium-ion batteries. Large volume changes of the silicon particle have a critical effect on the surrounding solid-electrolyte interphase (SEI) due to repeated fra…
View article: Residual Based Error Estimator for Chemical-Mechanically Coupled Battery Active Particles
Residual Based Error Estimator for Chemical-Mechanically Coupled Battery Active Particles Open
Adaptive finite element methods are a powerful tool to obtain numerical simulation results in a reasonable time. Due to complex chemical and mechanical couplings in lithium-ion batteries, numerical simulations are very helpful to investiga…
View article: Modeling and Simulation of Chemo-Elasto-Plastically Coupled Battery Active Particles
Modeling and Simulation of Chemo-Elasto-Plastically Coupled Battery Active Particles Open
As an anode material for lithium-ion batteries, amorphous silicon offers a significantly higher energy density than the graphite anodes currently used. Alloying reactions of lithium and silicon, however, induce large deformation and lead t…
View article: Simulation of the Deformation for Cycling Chemo-Mechanically Coupled Battery Active Particles with Mechanical Constraints
Simulation of the Deformation for Cycling Chemo-Mechanically Coupled Battery Active Particles with Mechanical Constraints Open
Next-generation lithium-ion batteries with silicon anodes have positive characteristics due to higher energy densities compared to state-of-the-art graphite anodes. However, the large volume expansion of silicon anodes can cause high mecha…
View article: Parallelization of a finite element solver for chemo-mechanical coupled anode and cathode particles in lithium-ion batteries
Parallelization of a finite element solver for chemo-mechanical coupled anode and cathode particles in lithium-ion batteries Open
Two chemo-mechanical coupled models for electrode particles of lithium-ion batteries are compared. On the one hand a CahnHilliard-type phase-field approach models lithium intercalation, phase separation and large deformations in phase tra…