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Thin-film electrodes for high-capacity lithium-ion batteries: Influence of phase transformations on stress

Abstract:

In this study we revisit experiments by Sethuraman et al. [J. Power Sources, 195, 5062 (2010)] on the stress evolution during the lithiation/delithiation cycle of a thin film of amorphous silicon. Based on recent work that show a two-phase process of lithiation of amorphous silicon, we formulate a phase-field model coupled to elasticity in the framework of Larché-Cahn. Using an adaptive nonlinear multigrid algorithm for the finite-volume discretization of this model, our two-dimensional numer...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1098/rspa.2016.0093

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Department:
Oxford, MPLS, Mathematical Institute
Publisher:
Royal Society Publisher's website
Journal:
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences Journal website
Volume:
472
Issue:
2193
Pages:
2016.0093
Publication date:
2016-09-28
Acceptance date:
2016-08-18
DOI:
EISSN:
1471-2946
ISSN:
1364-5021
Pubs id:
pubs:646325
URN:
uri:de3752f3-1fdc-465b-9716-1c3cfcf3c50d
UUID:
uuid:de3752f3-1fdc-465b-9716-1c3cfcf3c50d
Local pid:
pubs:646325

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