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Homogenization of Spirally Wound High-Contrast Layered Materials

Asymptotic homogenization is used to systematically derive reduced-order macroscopic models of conductive behavior in spirally wound layered materials in which the layers have very different conductivities. The problem is motivated by the need for simplified models of the electrical and thermal behavior of lithium-ion cells, accounting for the highly conductive metallic current collectors and relatively poorly conductive electrodes. We identify and study three distinguished limits and then describe two composite models which each provide a uniform approximation spanning two distinguished limits. We compare the results of the various reduced-order models with calculations of the full model on a detailed geometry to give a guide to the accuracy of the approximations.

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Informasi Detail

Judul Seri

SIAM JOURNAL ON APPLIED MATHEMATICS; Vol.82 No.1 January-February 2022

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 168-193

Bahasa

English

ISBN/ISSN

-

Klasifikasi

NONE

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

THERMAL
ASYMPTOTIC
PRISMATIC
BATTERY
EFFECTIVE PROPERTIES
JELLY ROLL
TWO-POTENTIAL

Info Detail Spesifik

https://doi.org/10.1137/20M1377904

Pernyataan Tanggungjawab

Steven Psaltis, Robert Timms, Colin Please, S. Jonathan Chapman

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