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This content will become publicly available on March 28, 2019

Title: Degradation of Si/Ge core/shell nanowire heterostructures during lithiation and delithiation at 0.8 and 20 A g −1

The charging rate-dependent degradation of lithium ion battery anodes based on Si/Ge core/shell nanowire heterostructure was observed. Si/Ge core/shell structure was preserved at the charging rate of 0.8 A g −1 . On the other hand, compositional intermixing and loss of Si occurs at the charging rate of 20 A g −1 .
Authors:
ORCiD logo [1] ; ORCiD logo [1] ;  [1] ; ORCiD logo [1]
  1. Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, USA
Publication Date:
Grant/Contract Number:
AC52-06NA25396; AC04-94AL85000
Type:
Publisher's Accepted Manuscript
Journal Name:
Nanoscale
Additional Journal Information:
Journal Volume: 10; Journal Issue: 16; Related Information: CHORUS Timestamp: 2018-04-26 11:14:09; Journal ID: ISSN 2040-3364
Publisher:
Royal Society of Chemistry (RSC)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United Kingdom
Language:
English
OSTI Identifier:
1434161