Three-dimensional pore evolution of nanoporous metal particles for energy storage

Matthew P. Klein; Benjamin W. Jacobs; Markus D. Ong; Stephen J. Fares; David B. Robinson; Vitalie Stavila; Gregory J. Wagner; Ilke Arslan

doi:10.1021/ja200561w

Three-dimensional pore evolution of nanoporous metal particles for energy storage

Matthew P. Klein, Benjamin W. Jacobs, Markus D. Ong, Stephen J. Fares, David B. Robinson, Vitalie Stavila, Gregory J. Wagner, Ilke Arslan^*

^*Corresponding author for this work

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

40 Scopus citations

Abstract

A well characterized and predictable aging pattern is necessary for practical energy storage applications of nanoporous particles that facilitate rapid transport of ions or redox species. Here we use STEM tomography with segmentation to show that surface diffusion and grain boundary diffusion are responsible for pore evolution at intermediate and higher temperatures, respectively. This unprecedented three dimensional understanding of pore behavior as a function of temperature suggests routes for optimizing pore stability in future energy storage materials.

Original language	English (US)
Pages (from-to)	9144-9147
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	133
Issue number	24
DOIs	https://doi.org/10.1021/ja200561w
State	Published - Jun 22 2011

ASJC Scopus subject areas

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja200561w

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abstract = "A well characterized and predictable aging pattern is necessary for practical energy storage applications of nanoporous particles that facilitate rapid transport of ions or redox species. Here we use STEM tomography with segmentation to show that surface diffusion and grain boundary diffusion are responsible for pore evolution at intermediate and higher temperatures, respectively. This unprecedented three dimensional understanding of pore behavior as a function of temperature suggests routes for optimizing pore stability in future energy storage materials.",

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AU - Ong, Markus D.

AU - Fares, Stephen J.

AU - Robinson, David B.

AU - Stavila, Vitalie

AU - Wagner, Gregory J.

AU - Arslan, Ilke

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Y1 - 2011/6/22

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AB - A well characterized and predictable aging pattern is necessary for practical energy storage applications of nanoporous particles that facilitate rapid transport of ions or redox species. Here we use STEM tomography with segmentation to show that surface diffusion and grain boundary diffusion are responsible for pore evolution at intermediate and higher temperatures, respectively. This unprecedented three dimensional understanding of pore behavior as a function of temperature suggests routes for optimizing pore stability in future energy storage materials.

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Three-dimensional pore evolution of nanoporous metal particles for energy storage

Abstract

ASJC Scopus subject areas

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