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Free, publicly-accessible full text available June 28, 2027
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Free, publicly-accessible full text available June 26, 2027
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This capsule contains the data analysis of lattice Boltzmann simulations of the formation of bijels stabilized by magnetic ellipsoidal particles. Using data from hybrid Lattice Boltzmann-Molecular Dynamics simulations of a binary liquid with suspended magnetic ellipsoidal particles, we analyze the bond orientational order within the interfacial particle layer, the mean and Gaussian curvature of the interfaces, and the topological properties of the emulsion morphology.more » « less
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Abstract: This capsule contains the analysis scripts for numerical simulations of hierarchical porous electrodes with tailored anisotropic structure. We performed COMSOL(R) simulations of four model electrodes with a columnar structure of the active material with interleaved electrolyte channels. The analysis includes plots of the areal capacity and specific energy as a function of charge rate and electrode thickness.more » « less
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Bicontinuous interfacially jammed emulsion gels offer a versatile platform for emulsion templating of functional porous materials, including membranes, electrodes, and tissue-mimetic biomaterials. In many applications of such materials, the microstructure determines the properties and performance of devices. Characterization of the morphological structure of emulsion templates is, thus, an important step in developing fabrication methods for porous materials with tunable microstructure. We present a structural analysis of bijels stabilized by magnetic ellipsoidal particles. Using data from hybrid lattice Boltzmann-molecular dynamics simulations of binary liquids with suspended magnetic ellipsoidal particles, we analyze the bond orientational order within the interfacial particle layer, the mean and Gaussian curvature of the interfaces, and the topological properties of the emulsion morphology. The results suggests that the particle packing at the interface is influenced by the local topology as characterized by the Gaussian curvature, and the global topological properties can be linked to domain coarsening mechanisms, such as coalescence of domains and pinch-off of channels. By analyzing independent simulation runs with different initial conditions, we probe the statistical variations of different properties, including the channel size distribution and the average channel size. Our analysis provides a more detailed picture of the structural properties of bijels stabilized by magnetically responsive ellipsoids and can guide the optimization of interfacial particle packing and domain structure of particle-stabilized emulsion systems.more » « less
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This capsule contains the data analysis of lattice Boltzmann simulations of the formation of bijels stabilized by magnetic ellipsoidal particles. The analysis includes the scaling of the structure factor and domain size, and the dependence of the domain size and tortuosity on the magnetic field. The orientational order of the magnetic dipoles and the interface alignment is analylzed as well as the particle packing in the interface.more » « less
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Computer simulations of hierarchical porous electrodes with tailored anisotropic electrolyte channels show larger accessible capacity, which can be leveraged for fabrication of lithium battery cells with enhanced specific energy and rate capability.more » « lessFree, publicly-accessible full text available February 23, 2027
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