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Transfer a diffusion flux in a solid electrode to an porous electrode

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Hello all together,

I have a Problem, which maybe have been discussed several times in a way here, but not for this special case. I am simulating a 3D model of an anode in a battery. The 3D model particles are surrounded with binder which contains active material to connect the anode particles with the conductor and also simulate the porosity around the particles in the electrolyte. The binder is modeled as a porous electrode.
Is it possible to connect in a solid the transport of diluted species module(cs=Lithium-concentration) with the diffusion module of a porous electrode(lithium-ion-battery module)? So that I have a Lithium-flux out of an solid electrode into a porous electrode where it is transported further? And how ? So that the lithium-diffusion of the solid electrode is connected to the porous electrode which surrounds it. Of course the other way round as well.

Thanks, Greetings Daniel


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