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FuncCahnHilliardPNP

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Variational models of network formation and ion transport applications to poly...

Variational models of network formation and ion transport applications to polyelectrolyte membranes The functionalized Cahn-Hilliard energy is a phase-field characterization of an interfacial energy used to describe dynamics of amphiphilic network formation. We have successfully applied the functionalized Cahn-Hilliard energy to... ver más

31/08/2017

TECHNION ISRAEL I...

100K€

Presupuesto del proyecto: 100K€

Líder del proyecto

TECHNION ISRAEL INSTITUTE OF TECHNOLOGY No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo FP7 notifico la concesión del proyecto el día 2017-08-31 No tenemos la información de la convocatoria

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1 Participantes

TECHNION ISRAEL INSTITUTE O...

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Líder del proyecto

TECHNION ISRAEL INSTITUTE OF TECHNOLOGY No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 100K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto The functionalized Cahn-Hilliard energy is a phase-field characterization of an interfacial energy used to describe dynamics of amphiphilic network formation. We have successfully applied the functionalized Cahn-Hilliard energy to model the morphology of water nano-pore networks in ionomer membranes. The resulting morphology model was validated with experimental scattering data of Nafion, an ionomer membrane which is a critical component in fuel cells. It is natural to use, as a basis, the successful morphology model to study the effect of morphology on membrane performance, e.g., conductivity. The functionalized Cahn-Hilliard energy offers, however, only a phenomenological treatment of the electrostatic forces between the polymer and the water. Such a treatment effectively blocks important extensions of the model. The main goal of this proposal is the development, analysis, and simulation of continuum models which characterize amphiphilic network formation coupled to ion transport. Attaining this goal requires redeveloping key components of the functionalized Cahn-Hilliard model while operating on a wide range of scales, e.g., from the non-uniform water structure in a pore at the nanoscale to membrane conductivity at the macroscale. A key application of this proposal is to study conductivity and selectivity of ionomer membranes and their dependence upon morphology and ionic concentrations. The project is of clear interdisciplinary nature, merging problems, ideas and tools from Mathematics, material science, solution chemistry and soft matter physics. The design and performance of novel clean energy devices such as fuel cells, flow batteries, or organic solar cells critically depends on the optimized coupling between material nanostructure, electrostatics, charge transport and nanoflows. Any progress in the directions proposed above will open the way to robust phase-field models which can incorporate and couple these four effects.

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