Electrochemical and Solid-State Letters · 2011 · 92 citations · 26 references
Pore Size DistributionEngineeringLicoo2 CathodePorous BodyMaterials ScienceBattery Electrode MaterialsThree-dimensional ReconstructionAdvanced Electrode MaterialLithium-ion BatteryLithium-ion BatteriesEnergy StorageHybrid MethodElectrochemistryElectric BatteryPore StructureLi-ion Battery MaterialsApplied PhysicsCathode MaterialsPorosityBatteriesMultiscale Modeling
In the reported work, we reconstruct a LiCoO2 cathode three-dimensionally, for the first time differentiating between all three constituents: (i) active material, (ii) binder and (iii) pore space for this specific material. We apply a hybrid method of manual and gray-scale threshold segmentation to reconstruct a cuboid with a volume of approximately 4500 μm3. The reconstructed geometry is characterised to support the data basis of homogenized cathode models. We solve numerically for electrical conductivity and derive electrical tortuosity analytically from the result. Pore space connectivity and pore size distribution are calculated.
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American Association of Petroleum Geologists Memoir
X. Wang, J. Suppe, Shao-qing Guan et al. · 2011 · 1.4K citations