Comparison of Mechanically Milled and Sputter Deposited Tin–Cobalt–Carbon Alloys Using Small Angle Neutron Scattering

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DOIResolve DOI: http://doi.org/10.1149/1.3239988
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TypeArticle
Journal titleJournal of the Electrochemical Society
Volume156
Issue12
PagesA1034A1040; # of pages: 6
Subjectcarbon; cobalt alloys; electrochemical electrodes; grain size; milling; nanostructured materials; neutron diffraction crystallography; secondary cells; sputter deposition; tin alloys
AbstractSmall angle neutron scattering (SANS) is used to compare nanostructured Sn–Co–C alloys produced by vertical axis mechanical attriting to those produced by magnetron sputter deposition. The attrited materials have grain sizes that vary with composition and are on the order of 60 Å in size. The sputter deposited materials are either amorphous or have a grain size of approximately 10 Å, depending on the composition. The SANS results are used to further understand the electrochemistry of these materials when used as negative electrodes for lithium-ion batteries and to understand why mechanically alloyed Sn–Co–C alloys are far from reaching their expected theoretical specific capacity while sputtered alloys achieve capacities much closer to the expected value.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); National Institute for Nanotechnology
Peer reviewedYes
NPARC number15787737
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Record identifier0147858c-eb5e-4362-a1b3-4f9f072062e4
Record created2010-07-07
Record modified2016-05-10
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