期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 133, 期 24, 页码 9144-9147出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja200561w
关键词
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资金
- Sandia's Truman Fellowship
- Laboratory Directed Research and Development program
- U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
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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